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产品型号LM4041DEM3X-1.2的Datasheet PDF文件预览

January 2001

LM4041

Precision Micropower Shunt Voltage Reference

General Description

Key Specifications (LM4041-1.2)

Ideal for space critical applications, the LM4041 precision

voltage reference is available in the sub-miniature SC70 and

SOT-23 surface-mount packages. The LM4041’s advanced

design eliminates the need for an external stabilizing capaci-

tor while ensuring stability with any capacitive load, thus

making the LM4041 easy to use. Further reducing design

effort is the availability of a fixed (1.225V) and adjustable

reverse breakdown voltage. The minimum operating current

is 60 µA for the LM4041-1.2 and the LM4041-ADJ. Both

versions have a maximum operating current of 12 mA.

Output voltage tolerance

(A grade, 25˚C)

0.1%(max)

Low output noise

(10 Hz to 10kHz)

20µV_rms

Wide operating current range

Industrial temperature range

Extended temperature range

Low temperature coefficient

60µA to 12mA

−40˚C to +85˚C

−40˚C to +125˚C

100 ppm/˚C (max)

The LM4041 utilizes fuse and zener-zap reverse breakdown

or reference voltage trim during wafer sort to ensure that the

Applications

prime parts have an accuracy of better than 0.1%

n Portable, Battery-Powered Equipment

n Data Acquisition Systems

n Instrumentation

(A grade) at 25˚C. Bandgap reference temperature drift cur-

vature correction and low dynamic impedance ensure stable

reverse breakdown voltage accuracy over a wide range of

operating temperatures and currents.

n Process Control

n Energy Management

n Automotive

n Precision Audio Components

Features

n Small packages: SOT-23, TO-92, and SC70

n No output capacitor required

n Tolerates capacitive loads

n Reverse breakdown voltage options of 1.225V and

adjustable

Connection Diagrams

SOT-23

SC-70

DS011392-1

DS011392-46

*This pin must be left floating or connected to pin 2.

*This pin must be left floating or connected to pin 1.

DS011392-40

Top View

See NS Package Number MF03A

(JEDEC Registration TO-236AB)

DS011392-47

Top View

See NS Package Number MAA05A

DS011392

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Connection Diagrams (Continued)

TO-92

DS011392-32

DS011392-3

Bottom View

See NS Package Number Z03A

Ordering Information

Reverse

Breakdown

Package

Voltage Tolerance

M3 (SOT-23)

M7 (SC70)

Z (TO-92)

at 25˚C and

Average Reverse

Breakdown

Voltage

Package

Number

Supplied as 1000 Supplied as 3000

Supplied as

1000 Units Tape

and Reel

Supplied as 3000

Units Tape and

Reel

Units Tape and

Reel

Units Tape and

Reel

Temperature

Coefficient

0.1%, 100 ppm/˚C LM4041AIM3-1.2

LM4041AIM3X-1.2

LM4041AIZ-1.2 MF03A,

Z03A

max (A grade)

0.2%, 100 ppm/˚C LM4041BIM3-1.2

LM4041BIM3X-1.2 LM4041BIM7-1.2 LM4041BIM7X-1.2 LM4041BIZ-1.2 MF03A,

max (B grade)

Z03A,

MAA05A

0.5%, 100 ppm/˚C LM4041CEM3-1.2 LM4041CEM3X-1.2 LM4041CIM7-1.2 LM4041CIM7X-1.2 LM4041CIZ-1.2 MF03A,

max (C grade)

LM4041CIM3-1.2

LM4041CIM3X-1.2 LM4041CIM7-ADJ LM4041CIM7X-ADJ LM4041CIZ-ADJ Z03A,

LM4041CEM3-ADJ LM4041CEM3X-ADJ

LM4041CIM3-ADJ LM4041CIM3X-ADJ

MAA05A

1.0%, 150 ppm/˚C LM4041DEM3-1.2 LM4041DEM3X-1.2 LM4041DIM7-1.2 LM4041DIM7X-1.2 LM4041DIZ-1.2 MF03A,

max (D grade) LM4041DIM3-1.2 LM4041DIM3X-1.2 LM4041DIM7-ADJ LM4041DIM7X-ADJ LM4041DIZ-ADJ Z03A,

LM4041DEM3-ADJ LM4041DEM3X-ADJ

LM4041DIM3-ADJ LM4041DIM3X-ADJ

MAA05A

2.0%, 150 ppm/˚C LM4041EEM3-1.2 LM4041EEM3X-1.2 LM4041EIM7-1.2 LM4041EIM7X-1.2 LM4041EIZ-1.2 MF03A,

max (E grade)

LM4041EIM3-1.2

LM4041EIM3X-1.2

Z03A,

MAA05A

SOT-23 and SC70 Package Marking Information

Only three fields of marking are possible on the SOT-23’s and SC70’s small surface. This table gives the meaning of the three

fields.

Part Marking

Field Definition

R1A (SOT-23 Only)

First Field:

R1B

R1C

R1D

R1E

R = Reference

Second Field:

1 = 1.225V Voltage Option

A = Adjustable

Third Field:

RAC

RAD

A–E = Initial Reverse Breakdown

Voltage or Reference Voltage Tolerance

A = 0.1%, B = 0.2%, C = 0.5%, D = 1.0%, E = 2.0%

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Soldering (10 seconds)

ESD Susceptibility

+260˚C

Human Body Model (Note 3)

Machine Model (Note 3)

2 kV

200V

See AN-450 “Surface Mounting Methods and Their Effect

on Product Reliability” for other methods of soldering

surface mount devices.

Reverse Current

20 mA

10 mA

Forward Current

Maximum Output Voltage

(LM4041-ADJ)

15V

Operating Ratings(Notes 1, 2)

Power Dissipation (T_A= 25˚C) (Note 2)

M3 Package

Temperature Range

Industrial Temperature Range

Extended Temperature Range

Reverse Current

(T_min≤ T_A≤ T_max)

306 mW

550 mW

−40˚C ≤ T_A≤ +85˚C

−40˚C ≤ T_A≤ +125˚C

Z Package

M7 Package

241mW

Storage Temperature

Lead Temperature

M3 Packages

−65˚C to +150˚C

LM4041-1.2

60 µA to 12 mA

LM4041-ADJ

Output Voltage Range

LM4041-ADJ

Vapor phase (60 seconds)

Infrared (15 seconds)

Z Package

+215˚C

+220˚C

1.24V to 10V

LM4041-1.2

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for T_A= T_J= T_MINto T_MAX; all other limits T_A= T_J= 25˚C. The grades A and B designate initial Re-

verse Breakdown Voltage tolerances of 0.1% and 0.2%, respectively.

Symbol

Parameter

Conditions

Typical LM4041AIM3 LM4041BIM3

Units

(Note 4)

1.225

LM4041AIZ

Limits

LM4041BIZ

LM4041BIM7

Limits

(Limit)

(Note 5)

V_R

Reverse Breakdown Voltage

Tolerance (Note 6)

I_R= 100 µA

mV (max)

µA

2.4

1.2

10.4

9.2

I_RMIN

Minimum Operating Current

µA (max)

ppm/˚C

ppm/˚C (max)

ppm/˚C

∆V_R/∆T Average Reverse Breakdown I_R= 10 mA

Voltage Temperature

100

I_R= 1 mA

100

Coefficient (Note 6)

I_R= 100 µA

∆V_R/∆I_RReverse Breakdown Voltage

Change with Operating

I_RMIN≤ I_R≤ 1 mA

0.7

1.5

mV (max)

Current Change

2.0

1 mA ≤ I_R≤ 12 mA

4.0

6.0

mV (max)

Ω

8.0

Z_R

e_N

Reverse Dynamic Impedance I_R= 1 mA, f = 120 Hz,

_AC= 0.1 I_R

0.5

1.5

Ω (max)

µV_rms

Wideband Noise

I_R= 100 µA

10 Hz ≤ f ≤ 10 kHz

t = 1000 hrs

∆V_R

Reverse Breakdown Voltage

Long Term Stability

T = 25˚C 0.1˚C

120

ppm

I_R= 100 µA

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LM4041-1.2

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for T_A= T_J= T_MINto T_MAX; all other limits T_A= T_J= 25˚C. The grades C, D and E designate initial Re-

verse Breakdown Voltage tolerances of 0.5%, 1.0% and 2.0%, respectively.

Symbol

Parameter

Conditions

Typical LM4041CIM3 LM4041DIM3 LM4041EIM3

(Note 4) LM4041CIZ LM4041DIZ LM4041EIZ

Units

(Limit)

LM4041CIM7 LM4041DIM7 LM4041EIM7

Limits

Limits(Note

Limits

(Note 5)

V_R

Reverse Breakdown

Voltage

I_R= 100 µA

1.225

Reverse Breakdown

Voltage

I_R= 100 µA

mV (max)

Tolerance (Note 6)

mV (max)

µA

I_RMIN

Minimum Operating

Current

µA (max)

ppm/˚C

∆V_R/∆T V_RTemperature

I_R= 10 mA

Coefficient (Note 6)

150

I_R= 1 mA

100

150

ppm/˚C (max)

ppm/˚C

I_R= 100 µA

∆V_R/∆I_RReverse Breakdown

Voltage Change with

Operating Current

Change

I_RMIN≤ I_R≤ 1 mA

0.7

1.5

2.0

mV (max)

2.0

2.5

1 mA ≤ I_R≤ 12 mA

2.5

mV (max)

Ω

6.0

8.0

10.0

Z_R

Reverse Dynamic

Impedance

I_R= 1 mA,

f = 120 Hz

0.5

I_AC= 0.1 I_R

1.5

2.0

Ω(max)

e_N

Wideband Noise

I_R= 100 µA

µV_rms

10 Hz ≤ f ≤ 10 kHz

t = 1000 hrs

∆V_R

Reverse Breakdown

Voltage Long Term

Stability

T = 25˚C 0.1˚C

120

ppm

I_R= 100 µA

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LM4041-1.2

Electrical Characteristics (Extended Temperature Range)

Boldface limits apply for T_A= T_J= T_MINto T_MAX; all other limits T_A= T_J= 25˚C. The grades C, D and E designate initial Re-

verse Breakdown Voltage tolerance of 0.5%, 1.0% and 2.0% respectively.

Symbol

Parameter

Conditions

Typical LM4041CEM3 LM4041DEM3 LM4041EEM3

Units

(Note 4)

1.225

Limits

(Limit)

(Note 5)

V_R

Reverse Breakdown

Voltage

I_R= 100 µA

Reverse Breakdown

Voltage Error

I_R= 100 µA

mV (max)

(Note 6)

18.4

mV (max)

µA

I_RMIN

Minimum Operating

Current

µA (max)

ppm/˚C

∆V_R/∆T VR Temperature

I_R= 10 mA

I_R= 1 mA

Coefficient(Note 6)

150

100

150

ppm/˚C

(max)

I_R= 100 µA

ppm/˚C

∆V_R/∆I_RReverse Breakdown

Change with

I_RMIN≤ I_R≤ 1.0 mA

0.7

2.5

1.5

2.0

mV (max)

Current

2.0

2.5

1 mA ≤ I_R≤ 12 mA

6.0

8.0

mV (max)

Ω

8.0

10.0

Z_R

Reverse Dynamic

Impedance

I_R= 1 mA, f = 120

Hz,

0.5

_AC= 0.1 I_R

1.5

2.0

Ω (max)

e_N

Noise Voltage

I_R= 100 µA

µV_rms

10 Hz ≤ f ≤ 10 kHz

t = 1000 hrs

∆V_R

Long Term Stability

(Non-Cumulative)

T = 25˚C 0.1˚C

120

ppm

I_R= 100 µA

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LM4041-ADJ (Adjustable)

Electrical Characteristics (Industrial Temperature Range)

Boldface limits apply for T_A= T_J= T_MINto T_MAX; all other limits T_J= 25˚C unless otherwise specified (SOT-23, see (Note

7)), I_RMIN≤ I_R≤ 12 mA, V_REF≤ V_OUT≤ 10V. The grades C and D designate initial Reference Voltage Tolerances of 0.5%

and 1%, respectively for V_OUT= 5V.

Symbol

Parameter

Conditions

Typical LM4041CIM3 LM4041DIM3

Units

(Limit)

(Note

LM4041CIZ

LM4041CIM7 LM4041DIM7

(Note 5) (Note 5)

LM4041DIZ

V_REF

Reference Voltage

Tolerance (Note 8)

I_R= 100 µA, V_OUT= 5V

1.233

6.2

mV (max)

µA

I_RMIN

Minimum Operating

Current

µA (max)

∆V_REF/∆I_RReference Voltage

Change with Operating

Current Change

I_RMIN≤ I_R≤ 1 mA

SOT-23: V_OUT≥ 1.6V

(Note 7)

0.7

1.5

2.0

mV (max)

2.0

2.5

1 mA ≤ I_R≤ 12 mA

SOT-23: V_OUT≥ 1.6V (Note

mV (max)

mV/V

∆V_REF/∆V_OReference Voltage

Change

I_R= 1 mA

−1.55

−2.0

−2.5

mV/V (max)

with Output Voltage

Change

−2.5

−3.0

I_FB

Feedback Current

100

150

nA (max)

ppm/˚C

120

200

∆V_REF/∆T Average Reference

Voltage Temperature

V_OUT= 5V,

I_R

10 mA

1 mA

150

100

ppm/˚C (max)

ppm/˚C

Coefficient (Note 8)

I_R= 100 µA

Z_OUT

Dynamic Output

Impedance

I_R= 1 mA, f = 120 Hz,

I_AC= 0.1 I_R

V_OUT= V_REF

V_OUT10V

V_OUT= V_REF

10 Hz ≤ f ≤ 10 kHz

Reference Voltage Long t = 1000 hrs, I_R= 100 µA

0.3

Ω

e_N

Wideband Noise

I_R= 100 µA

µV_rms

∆V_REF

120

ppm

T = 25˚C 0.1˚C

Term Stability

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LM4041-ADJ (Adjustable)

Electrical Characteristics (Extended Temperature Range)

Boldface limits apply for T_A= T_J= T_MINto T_MAX; all other limits T_J= 25˚C unless otherwise specified (SOT-23, see (Note

7)), I_RMIN≤ I_R≤ 12 mA, V_REF≤ V_OUT≤ 10V. The grades C and D designate initial Reference Voltage Tolerances of 0.5%

and 1%, respectively for V_OUT= 5V.

Symbol

Parameter

Conditions

Typical LM4041CEM3 LM4041DEM3

Units

(Limit)

(Note 4)

(Note 5)

V_REF

Reference Voltage

Tolerance (Note 8)

I_R= 100 µA, V_OUT= 5V

1.233

6.2

mV (max)

µA

I_RMIN

Minimum Operating

Current

0.7

µA (max)

∆V_REF/∆I_RReference Voltage

Change with Operating

Current Change

I_RMIN≤ I_R≤ 1 mA

SOT-23: V_OUT≥ 1.6V

(Note 7)

1.5

2.0

mV (max)

2.0

2.5

1 mA ≤ I_R≤ 12 mA

SOT-23: V_OUT≥ 1.6V(Note

mV (max)

mV/V

∆V_REF/∆V_OReference Voltage

Change

I_R= 1 mA

−1.55

−2.0

−2.5

mV/V (max)

with Output Voltage

Change

−3.0

−4.0

I_FB

Feedback Current

100

150

nA (max)

ppm/˚C

120

200

∆V_REF/∆T Average Reference

Voltage Temperature

V_OUT= 5V,

I_R

10 mA

1 mA

150

100

ppm/˚C (max)

ppm/˚C

Coefficient (Note 8)

I_R= 100 µA

Z_OUT

Dynamic Output

Impedance

I_R= 1 mA, f = 120 Hz,

I_AC= 0.1 I_R

V_OUT= V_REF

V_OUT10V

V_OUT= V_REF

10 Hz ≤ f ≤ 10 kHz

Reference Voltage Long t = 1000 hrs, I_R= 100 µA

0.3

Ω

e_N

Wideband Noise

I_R= 100 µA

µV_rms

∆V_REF

120

ppm

T = 25˚C 0.1˚C

Term Stability

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Electrical Characteristics (continued)

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed

specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test

conditions.

Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by T

(maximum junction temperature), θ (junction to

Jmax

ambient thermal resistance), and T (ambient temperature). The maximum allowable power dissipation at any temperature is PD

= (T

− T )/θ or the

Jmax A JA

max

number given in the Absolute Maximum Ratings, whichever is lower. For the LM4041, T

= 125˚C, and the typical thermal resistance (θ ), when board mounted,

Jmax

is 326˚C/W for the SOT-23 package, 415˚C/W for the SC70 package and 180˚C/W with 0.4" lead length and 170˚C/W with 0.125" lead length for the TO-92 package.

Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin. The machine model is a 200 pF capacitor discharged

directly into each pin. All pins are rated at 2kV for Human Body Model, but the feedback pin which is rated at 1kV.

Note 4: Typicals are at T = 25˚C and represent most likely parametric norm.

Note 5: Limits are 100% production tested at 25˚C. Limits over temperature are guaranteed through correlation using Statistical Quality Control (SQC) methods.

The limits are used to calculate National’s AOQL.

Note 6: The boldface (over-temperature) limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse Breakdown Voltage Tolerance

[(∆V v∆T)(max ∆T)(V )]. Where, ∆V /∆T is the V temperature coefficient, max∆T is the maximum difference in temperature from the reference point of 25 ˚C

to T

or T

, and V is the reverse breakdown voltage. The total over-temperature tolerance for the different grades in the industrial temperature range where

MIN R

MAX

max∆T=65˚C is shown below:

A-grade: 0.75% = 0.1% 100 ppm/˚C x 65˚C

B-grade: 0.85% = 0.2% 100 ppm/˚C x 65˚C

C-grade: 1.15% = 0.5% 100 ppm/˚C x 65˚C

D-grade: 1.98% = 1.0% 150 ppm/˚C x 65˚C

E-grade: 2.98% = 2.0% 150 ppm/˚C x 65˚C

The total over-temperature tolerance for the different grades in the extended temperature range where max ∆T = 100 ˚C is shown below:

B-grade: 1.2% = 0.2% 100 ppm/˚C x 100˚C

C-grade: 1.5% = 0.5% 100 ppm/˚C x 100˚C

D-grade: 2.5% = 1.0% 150 ppm/˚C x 100˚C

E-grade: 4.5% = 2.0% 150 ppm/˚C x 100˚C

Therefore, as an example, the A-grade LM4041-1.2 has an over-temperature Reverse Breakdown Voltage tolerance of 1.2V x 0.75% = 9.2 mV.

Note 7: When V ≤ 1.6V, the LM4041-ADJ in the SOT-23 package must operate at reduced I . This is caused by the series resistance of the die attach between

OUT

the die (-) output and the package (-) output pin. See the Output Saturation (SOT-23 only) curve in the Typical Performance Characteristics section.

Note 8: Reference voltage and temperature coefficient will change with output voltage. See Typical Performance Characteristics curves.

Typical Performance Characteristics

Temperature Drift for Different

Average Temperature Coefficient

Output Impedance vs Frequency

DS011392-19

DS011392-4

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Typical Performance Characteristics (Continued)

Noise Voltage

Reverse Characteristics and

Minimum Operating Current

DS011392-5

DS011392-9

Start-Up

Characteristics

DS011392-8

DS011392-7

Reference Voltage vs Output

Voltage and Temperature

Reference Voltage vs Temperature

and Output Voltage

DS011392-11

DS011392-10

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Typical Performance Characteristics (Continued)

Feedback Current vs Output

Voltage and Temperature

Output Saturation

(SOT-23 Only)

DS011392-33

DS011392-12

Output Impedance vs Frequency

DS011392-13

DS011392-14

Reverse Characteristics

DS011392-16

DS011392-15

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Typical Performance Characteristics (Continued)

Large Signal Response

DS011392-18

DS011392-17

Functional Block Diagram

DS011392-21

*LM4041-ADJ only

**LM4041-1.2 only

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Applications Information

The LM4041 is a precision micro-power curvature-corrected

bandgap shunt voltage reference. For space critical applica-

tions, the LM4041 is available in the sub-miniature SOT-23

and SC70 surface-mount package. The LM4041 has been

designed for stable operation without the need of an external

capacitor connected between the “+” pin and the “−” pin. If,

however, a bypass capacitor is used, the LM4041 remains

stable. Design effort is further reduced with the choice of

either a fixed 1.2V or an adjustable reverse breakdown

voltage. The minimum operating current is 60 µA for the

LM4041-1.2 and the LM4041-ADJ. Both versions have a

maximum operating current of 12 mA.

where V_Ois the output voltage. The actual value of the

internal V_REFis a function of V_O. The “corrected” V_REFis

determined by

V_REF= ∆V_O(∆V_REF/∆V_O) + V_Y

(2)

where

V_Y= 1.240 V and

∆V_O= (V_O− V_Y)

∆V_REF/∆V_Ois found in the Electrical Characteristics and is

typically −1.55 mV/V. You can get a more accurate indication

of the output voltage by replacing the value of V_REFin

equation (1) with the value found using equation (2).

LM4041s using the SOT-23 package have pin 3 connected

as the (-) output through the package’s die attach interface.

Therefore, the LM4041-1.2’s pin 3 must be left floating or

connected to pin 2 and the LM4041-ADJ’s pin 3 is the (-)

output.

Note that the actual output voltage can deviate from that

predicted using the typical value of ∆V_REF/∆V_Oin equation

(2): for C-grade parts, the worst-case ∆V_REF/∆V_Ois −2.5

mV/V. For D-grade parts, the worst-case ∆V_REF/∆V_Ois −3.0

mV/V.

LM4041s using the SC70 package have pin 2 connected as

the (−) output through the packages’ die attach interface.

Therefore, the LM4041-1.2’s pin 2 must be left floating or

connected to pin 1, and the LM4041-ADJ’s pin 2 is the (−)

output.

Typical Applications

In a conventional shunt regulator application (Figure 1), an

external series resistor (R_S) is connected between the sup-

ply voltage and the LM4041. R_Sdetermines the current that

flows through the load (I_L) and the LM4041 (I_Q). Since load

current and supply voltage may vary, R_Sshould be small

enough to supply at least the minimum acceptable I_Qto the

LM4041 even when the supply voltage is at its minimum and

the load current is at its maximum value. When the supply

voltage is at its maximum and I_Lis at its minimum, R_Sshould

be large enough so that the current flowing through the

LM4041 is less than 12 mA.

DS011392-22

FIGURE 1. Shunt Regulator

R_Sshould be selected based on the supply voltage, (V_S), the

desired load and operating current, (I_Land I_Q), and the

LM4041’s reverse breakdown voltage, V_R.

The LM4041-ADJ’s output voltage can be adjusted to any

value in the range of 1.24V through 10V. It is a function of the

internal reference voltage (V_REF) and the ratio of the external

feedback resistors as shown in Figure 2 . The output voltage

is found using the equation

DS011392-34

V_O= V_REF[(R2/R1) + 1]

(1)

FIGURE 2. Adjustable Shunt Regulator

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Typical Applications (Continued)

DS011392-24

FIGURE 3. Bounded amplifier reduces saturation-induced delays and can prevent succeeding stage damage.

Nominal clamping voltage is V_O(LM4041’s reverse breakdown voltage) +2 diode V_F.

DS011392-20

DS011392-23

FIGURE 4. Voltage Level Detector

FIGURE 5. Voltage Level Detector

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Typical Applications (Continued)

DS011392-35

FIGURE 8. Bidirectional Adjustable

DS011392-25

Clamp 18V to 2.4V

FIGURE 6. Fast Positive Clamp

2.4V + V_D1

DS011392-26

FIGURE 7. Bidirectional Clamp 2.4V

DS011392-36

FIGURE 9. Bidirectional Adjustable

Clamp 2.4V to 6V

DS011392-37

FIGURE 10. Simple Floating Current Detector

www.national.com

Typical Applications (Continued)

DS011392-38

FIGURE 11. Current Source

Note 9: *D1 can be any LED, V = 1.5V to 2.2V at 3 mA. D1 may act as an indicator. D1 will be on if I

falls below the threshold current, except with I = 0.

THRESHOLD

DS011392-39

FIGURE 12. Precision Floating Current Detector

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Typical Applications (Continued)

DS011392-28

DS011392-29

FIGURE 13. Precision 1 µA to 1 mA Current Sources

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Physical Dimensions inches (millimeters) unless otherwise noted

Plastic Surface Mount Package (M3)

NS Package Number MF03A

(JEDEC Registration TO-236AB)

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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

Molded Package (SC70)

NS Package Number MAA05A

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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

Plastic Package (Z)

NS Package Number Z03A

LIFE SUPPORT POLICY

NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT

DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL

COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein:

1. Life support devices or systems are devices or

systems which, (a) are intended for surgical implant

into the body, or (b) support or sustain life, and

whose failure to perform when properly used in

accordance with instructions for use provided in the

labeling, can be reasonably expected to result in a

significant injury to the user.

2. A critical component is any component of a life

support device or system whose failure to perform

can be reasonably expected to cause the failure of

the life support device or system, or to affect its

safety or effectiveness.

National Semiconductor

Corporation

Americas

Tel: 1-800-272-9959

Fax: 1-800-737-7018

Email: support@nsc.com

National Semiconductor

Europe

National Semiconductor

Asia Pacific Customer

Response Group

Tel: 65-2544466

Fax: 65-2504466

National Semiconductor

Japan Ltd.

Tel: 81-3-5639-7560

Fax: 81-3-5639-7507

Fax: +49 (0) 180-530 85 86

Email: europe.support@nsc.com

Deutsch Tel: +49 (0) 69 9508 6208

English Tel: +44 (0) 870 24 0 2171

Français Tel: +33 (0) 1 41 91 8790

Email: ap.support@nsc.com

www.national.com

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.

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LM4041DEM3X-1.2产品参数

型号:	LM4041DEM3X-1.2
是否无铅：	含铅
是否Rohs认证：	不符合
生命周期：	Obsolete
零件包装代码：	SOT-23
包装说明：	TSSOP, TO-236
针数：	3
Reach Compliance Code：	not_compliant
ECCN代码：	EAR99
HTS代码：	8542.39.00.01
风险等级：	5.05
Is Samacsys：	N
模拟集成电路 - 其他类型：	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 代码：	R-PDSO-G3
JESD-609代码：	e0
长度：	2.92 mm
湿度敏感等级：	1
功能数量：	1
输出次数：	1
端子数量：	3
最高工作温度：	125 °C
最低工作温度：	-40 °C
最大输出电压：	1.256 V
最小输出电压：	1.194 V
标称输出电压：	1.225 V
封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP
封装等效代码：	TO-236
封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified
座面最大高度：	1.12 mm
子类别：	Voltage References
表面贴装：	YES
技术：	BIPOLAR
最大电压温度系数：	150 ppm/ °C
温度等级：	AUTOMOTIVE
端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING
端子节距：	0.95 mm
端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED
微调/可调输出：	NO
最大电压容差：	1%
宽度：	1.3 mm
Base Number Matches：	1

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