3283IC贸易商引脚图技术参数全新原装-中国IC网-芯三七

3280, 3281,

AND 3283

CHOPPER-STABILIZED, PRECISION

HALL-EFFECT LATCHES

The A3280--, A3281--, and A3283-- Hall-effect latches are ex-

tremely temperature-stable and stress-resistant sensors especially suited

for operation over extended temperature ranges to +150°C. Superior

high-temperature performance is made possible through dynamic offset

cancellation, which reduces the residual offset voltage normally caused

by device overmolding, temperature dependencies, and thermal stress.

The three devices are identical except for magnetic switch points.

Suffix '–LT' & '–UA' Pinning

PTCT

Each device includes on a single silicon chip a voltage regulator,

Hall-voltage generator, small-signal amplifier, chopper stabilization,

Schmitt trigger, and a short-circuit protected open-collector output to

sink up to 25 mA. A south pole of sufficient strength will turn the

output on. A north pole is necessary to turn the output off. An on-board

regulator permits operation with supply voltages of 4.2 to 24 volts.

V

CC

1

2

3

The first character of the part number suffix determines the device

operating temperature range; suffix ‘E–’ is for -40°C to +85°C and

‘L–’ is -40°C to +150°C. Three package styles provide a magnetically

optimized package for most applications. Suffix ‘–LH’ is a miniature

low-profile surface-mount package, ‘–LT’ is a miniature SOT-89/TO-

243AA transistor package for surface-mount applications; while suffix

‘–UA’ is a three-lead ultra-mini-SIP for through-hole mounting.

Dwg. PH-003-2

Pinning is shown viewed from branded side.

ABSOLUTE MAXIMUM RATINGS

at T = +25°C

A

FEATURES

Supply Voltage, V_CC........................ 26.5 V

Reverse Battery Voltage, V_RCC.......... -30 V

Magnetic Flux Density, B ........... Unlimited

Output Off Voltage, V_OUT................... 26 V

Continuous Output Current,

I_OUT....................... Internally Limited

Reverse Output Current, I_OUT........ -50 mA

Package Power Dissipation, P_D. See Graph

Junction Temperature, T_J............... +170°C

Operating Temperature Range, T_A

I Symmetrical Switch Points

I Resistant to Physical Stress

I Superior Temperature Stability

I Output Short-Circuit Protection

I Operation From Unregulated Supply

I Reverse Battery Protection

I Solid-State Reliability

I Small Size

Suffix ‘E–’.................. -40°C to +85°C

Suffix ‘L–’................ -40°C to +150°C

Storage Temperature Range,

Always order by complete part number: the prefix ‘A’ + the basic four-

digit part number + a suffix to indicate operating temperature range +

a suffix to indicate package style, e.g., A3281ELH .

T_S.............................. -65°C to +170°C

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

FUNCTIONAL BLOCK DIAGRAM

SUPPLY

TO ALL

SUBCIRCUITS

REG.

OUTPUT

X

CONTROL

CURRENT

LIMIT

<1Ω

GROUND

Dwg. FH-020-1

Suffix ‘–LH’ Pinning

700

600

500

400

300

3

Suffix "–UA"

θJA = 206°C/W

R

PTCT

Suffix "–LT"

Suffix "–LH"

RθJA = 248°C/W

RθJA = 258°C/W

V

CC

1

2

200

100

0

Suffix "E–"

Suffix "L–"

140

20

40

60

80

100

120

160

180

Dwg. PH-003-4

AMBIENT TEMPERATURE in °C

Dwg. GH-046-2C

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

2

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

ELECTRICAL CHARACTERISTICS over operating temperature range.

Limits

Typ.

Characteristic

Symbol

Test Conditions

Operating, T_J< 170°C¹

V_OUT= 24 V, B < B_RP

I_OUT= 20 mA, B > B_OP

B > B_OP

Min.

4.2

–

Max.

24

Units

V

Supply Voltage Range

Output Leakage Current

Output Saturation Voltage

Output Current Limit

Power-On Time

V_CC

–

I_OFF

10

µA

mV

mA

µs

V_OUT(SAT)

–

185

–

500

60

I_OM

t_po

f_C

30

–

V_CC> 4.2 V

–

50

Chopping Frequency

Output Rise Time

–

340

0.2

0.1

3.0

4.0

–

kHz

µs

t_r

R_L= 820 Ω, C_L= 20 pF

B < B_RP, V_CC= 12 V

B > B_OP, V_CC= 12 V

V_RCC= -30 V

–

2.0

8.0

-5.0

37

Output Fall Time

t_f

–

µs

Supply Current

I_CC

–

mA

V

–

Reverse Battery Current

Zener Voltage

I_CC

–

V_Z+ V_D

z_z+ z_D

I_CC= 15 mA, T_A= 25°C

28

–

32

50

Zener Impedance

–

Ω

NOTES:1. Maximum voltage must be adjusted for power dissipation and junction temperature.

2. B_OP= operate point (output turns on); B_RP= release point (output turns off).

3. Typical Data is at T_A= +25°C and V_CC= 12 V and is for design information only.

MAGNETIC CHARACTERISTICS over operating supply voltage range.

Part Numbers¹

A3281

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.

A3280

A3283

Characteristic

Test Conditions

Units

G

Operate Point, B_OP

at T_A= +25°C and T_A= max.

at T_A= -40°C

5.0

-40

10

22

–

40

15

-90

30

–

50

–

90

100 150 180

100 200

-180 -150 -100

–

G

Release Point, B_RP

at T_A= +25°C and T_A= max.

at T_A= -40°C

-23

–

-5.0

80

-50

–

-15

G

-200

–

-100

300 360

400

G

Hysteresis, B_hys

at T_A= +25°C and T_A= max.

at T_A= -40°C

45

–

100 180

180

–

G

(B_OP- B_RP)

–

80

–

G

NOTES:1. Complete part number includes a suffix to identify operating temperature range (E or L) and

package type (LH, LT, or UA).

2. As used here, negative flux densities are defined as less than zero (algebraic convention) and -50 G is less than +10 G.

3. Typical Data is at T_A= +25°C and V_CC= 12 V and is for design information only.

www.allegromicro.com

3

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

TYPICAL OPERATING CHARACTERISTICS

as a function of temperature

A3281* SWITCH POINTS

A3280* SWITCH POINTS

100

80

50

40

30

60

OPERATE POINT

20

10

40

20

V

CC = 4.5 V

CC = 24 V

0

-20

VCC = 4.5 V to 24 V

-10

-20

-30

-40

-50

RELEASE POINT

-40

RELEASE POINT

-60

-80

-100

-50

-25

0

25

50

75

100

125

150

-50

-25

0

25

50

75

100

125

150

AMBIENT TEMPERATURE IN °C

Dwg. GH-026-3

Dwg. GH-026-4

A3283* SWITCH POINTS

200

160

120

OPERATE POINT

80

40

VCC = 4.5 V

V^CC= 24 V

0

-40

-80

-120

-160

-200

RELEASE POINT

-50

-25

0

25

50

75

100

125

150

AMBIENT TEMPERATURE IN °C

Dwg. GH-026-6

* Complete part number includes a suffix denoting operating temperature range (E or L) and package type (LH, LT, or UA).

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

4

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

TYPICAL OPERATING CHARACTERISTICS

as a function of temperature (cont'd)

OUTPUT SATURATION VOLTAGE

SUPPLY CURRENT

6.0

300

200

I

OUT = 20 mA

V

CC = 12 V

VCC = 12 V

5.0

4.0

3.0

2.0

OUTPUT ON, B > BOP

100

OUTPUT OFF, B < BRP

0

-50

-25

0

25

50

75

100

125

150

-25

0

25

50

75

100

125

150

AMBIENT TEMPERATURE IN °C

Dwg. GH-028-5

Dwg. GH-029-4

TYPICAL OPERATING CHARACTERISTICS

as a function of supply voltage

A3281* SWITCH POINTS

A3280* SWITCH POINTS

80

40

20

OPERATE POINT

40

T

A

= 150°C

= -40°C

T

A

= 150°C

= -40°C

0

-40

-80

0

-20

-40

RELEASE POINT

24

3.0

3.5

4.0

4.5

5.0

24

3.0

3.5

4.0

4.5

5.0

SUPPLY VOLTAGE IN VOLTS

Dwg. GH-021-1

Dwg. GH-021-3

* Complete part number includes a suffix denoting operating temperature range (E or L) and package type (LH, LT, or UA).

www.allegromicro.com

5

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

TYPICAL OPERATING CHARACTERISTICS

as a function of supply voltage (cont’d)

SENSOR LOCATIONS

( 0.005" [0.13 mm] die placement)

OUTPUT SATURATION VOLTAGE

Package Designator ‘LH’

250

ACTIVE AREA DEPTH

I

OUT = 20 mA

0.011"

0.059"

T

A

= 150°C

= +25°C

= -40°C

0.28 mm

1.49 mm

NOM

3

0.038"

0.96 mm

225

200

A

1

2

Dwg. MH-025

Package Designator ‘LT’

175

150

ACTIVE AREA DEPTH

0.030"

0.76 mm

NOM

0.088"

2.24 mm

0.045"

1.14 mm

24

3.0

3.5

4.0

4.5

5.0

SUPPLY VOLTAGE IN VOLTS

Dwg. GH-055-1

A

1

2

3

SUPPLY CURRENT

Dwg. MH-008-8

8.0

7.0

OUTPUT ON

T

A

= 150°C

= +25°C

= -40°C

Package Designators ‘UA’ and ‘UA-TL’

ACTIVE AREA DEPTH

6.0

5.0

4.0

3.0

2.0

1.0

0

0.018"

0.080"

0.46 mm

2.04 mm

NOM

0.056"

1.44 mm

A

BRANDED

SURFACE

1

2

3

Dwg. MH-011-9A

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10

11

12

SUPPLY VOLTAGE IN VOLTS

Although sensor location is accurate to three sigma for a

particular design, product improvements may result in small

changes to sensor location.

Dwg. GH-058-4

Allegro

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

6

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

CRITERIA FOR DEVICE QUALIFICATION

All Allegro sensors are subjected to stringent qualification requirements prior to being released to production.

To become qualified, except for the destructive ESD tests, no failures are permitted.

Qualification Test

Test Method and Test Conditions

Test Length

50 hrs

Samples

Comments

Biased Humidity (HAST) T_A= 130°C, RH = 85%

77

V_CC= V_OUT= 5 V

High-Temperature

Operating Life (HTOL)

JESD22-A108,

T_A= 150°C, T_J≤ 170°C

408 hrs

V_CC= 24 V,

V_OUT= 20 V

Accelerated HTOL

T_A= 175°C, T_J≤ 190°C

504 hrs

96 hrs

77

6

V_CC= 24 V,

V_OUT= 20 V

Autoclave, Unbiased

JESD22-A102, Condition C,

T_A= 121°C, 15 psig

High-Temperature

(Bake) Storage Life

MIL-STD-883, Method 1008,

T_A= 170°C

1000 hrs

500 cycles

Temperature Cycle

MIL-STD-883, Method 1010,

-65°C to +150°C

Latch-Up

—

Pre/Post

Reading

Electro-Thermally

Induced Gate Leakage

—

Pre/Post

Reading

6

ESD,

Human Body Model

CDF-AEC-Q100-002

JESD22-A115

Per Specification

Pre/Post

Reading

3 per

test

Test to failure,

All leads > 1500 V

ESD,

Macine Model

Pre/Post

Reading

3 per

test

Test to failure,

All leads > 200 V

Electrical Distributions

—

30

www.allegromicro.com

7

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

FUNCTIONAL DESCRIPTION

REG

Chopper-Stabilized Technique. The Hall element can be

considered as a resistor array similar to a Wheatstone bridge. A

large portion of the offset is a result of the mismatching of these

resistors. These devices use a proprietary dynamic offset

cancellation technique, with an internal high-frequency clock to

reduce the residual offset voltage of the Hall element that is

normally caused by device overmolding, temperature dependen-

cies, and thermal stress. The chopper-stabilizing technique

cancels the mismatching of the resistor circuit by changing the

direction of the current flowing through the Hall plate using

CMOS switches and Hall voltage measurement taps, while

maintaing the Hall-voltage signal that is induced by the external

magnetic flux. The signal is then captured by a sample-and-

hold circuit and further processed using low-offset bipolar

circuitry. This technique produces devices that have an

extremely stable quiescent Hall output voltage, are immune to

thermal stress, and have precise recoverability after temperature

cycling. This technique will also slightly degrade the device

output repeatability. A relatively high sampling frequency is

used in order that faster signals can be processed.

X

B

+V

Dwg. EH-012

—

HALL

VOLTAGE

+

Dwg. AH-011-2

More detailed descriptions of the circuit operation can be

found in: Technical Paper STP 97-10, Monolithic Magnetic

Hall Sensor Using Dynamic Quadrature Offset Cancellation

and Technical Paper STP 99-1, Chopper-Stabilized Amplifiers

With A Track-and-Hold Signal Demodulator.

+V

V

CC

Operation. The output of these devices switches low (turns

on) when a magnetic field perpendicular to the Hall sensor

exceeds the operate point threshold (B_OP). After turn-on, the

output is capable of sinking 25 mA and the output voltage is

V

_OUT(SAT). Note that the device latches; that is, a south pole of

sufficient strength towards the branded surface of the device

will turn the device on; removal of the south pole will leave the

device on. When the magnetic field is reduced below the

release point (B_RP), the device output goes high (turns off). The

difference in the magnetic operate and release points is the

hysteresis (B_hys) of the device. This built-in hysteresis allows

clean switching of the output even in the presence of external

mechanical vibration and electrical noise.

B

OP

RP

V

OUT(SAT)

0

-B

0

+B

FLUX DENSITY

Dwg. GH-034-5

Applications. It is strongly recommended that an external

bypass capacitor be connected (in close proximity to the Hall

sensor) between the supply and ground of the device to reduce

both external noise and noise generated by the chopper-

stabilization technique.

SUPPLY

OUTPUT

The simplest form of magnet that will operate these devices

is a ring magnet. Other methods of operation, such as linear

magnets, are possible. Extensive applications information on

magnets and Hall-effect sensors is also available in the Allegro

Electronic Data Book AMS-702 or Application Note 27701, or

0.1 µF

X

SUPPLY

www.allegromicro.com

Dwg. EH-013

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

8

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

PACKAGE DESIGNATOR ‘LH’

(fits SC-74A solder-pad layout)

Dimensions in Inches

(for reference only)

Dimensions in Millimeters

(controlling dimensions)

3.10

2.90

0.122

0.114

0.020

0.012

0.0079

0.0050

0.50

0.30

0.20

0.127

3

0.118

0.106

3.00

2.70

0.083

0.073

2.10

1.85

0.25 MIN

0.020 MIN

1

2

1

2

0.55

0.022

0° TO 8°

REF

0.95

BSC

0.037

BSC

1.10

0.90

0.043

0.035

0.049

0.15

0.00

0.006

0.000

1.25

0.90

0.035

Dwg. MA-010-3B mm

Dwg. MA-010-3B in

0.70

0.028

3

0.039

1.00

0.094

2.40

1

2

1

2

0.037

0.95

Dwg. MA-011-3 in

Dwg. MA-011-3 mm

NOTES: 1. Tolerances on package height and width represent allowable mold offsets. Dimensions given are

measured at the widest point (parting line).

2. Exact body and lead configuration at vendor’s option within limits shown.

3. Height does not include mold gate flash.

4. Where no tolerance is specified, dimension is nominal.

5. Add "LT" to part number for tape and reel.

www.allegromicro.com

9

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

PACKAGE DESIGNATOR ‘LT’

(SOT-89/TO-243AA)

Dimensions in Inches

(for reference only)

Dimensions in Millimeters

(controlling dimensions)

0.181

0.173

0.072

0.064

0.063

0.055

4.60

4.40

1.83

1.62

1.60

1.40

0.0173

0.0138

0.44

0.35

0.102

0.090

0.084

2.60

2.29

2.13

0.167

0.155

4.25

3.94

2

3

1

2

3

1

0.0189

0.0142

0.0221

0.0173

0.48

0.36

0.047

1.20

0.035

0.89

0.56

0.44

0.059

1.50

BSC

0.118

3.00

BSC

Dwg. MA-009-3A in

Dwg. MA-009-3A mm

2.5

2.0

0.098

0.079

B

0.8

0.031

0.102

0.181

2.6

1.2

A

2

A

2

4.6

0.047

3

1

3

0.028

0.031

0.7

0.8

TYP

Pads 1, 2, 3, and A — Standard SOT-89 Layout

Pads 1, 2, 3, and B — Low-Stress Version

Pads 1, 2, and 3 only — Lowest Stress, But Not Self Aligning

Pads 1, 2, 3, and A — Standard SOT-89 Layout

Pads 1, 2, 3, and B — Low-Stress Version

Pads 1, 2, and 3 only — Lowest Stress, But Not Self Aligning

Dwg. MA-012-3 in

Dwg. MA-012-3 mm

NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown.

2. Supplied in bulk pack (500 pieces per bag) or add "TR" to part number for tape and reel.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

10

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

PACKAGE DESIGNATOR ‘UA’

Dimensions in Millimeters

Dimensions in Inches

(controlling dimensions)

(for reference only)

0.164

0.159

4.17

4.04

0.062

0.058

1.57

1.47

45°

0.122

0.117

3.10

2.97

45°

0.79

0.031

2.16

MAX

0.085

MAX

1

2

3

1

2

3

16.26

15.24

0.44

0.35

0.640

0.600

0.0173

0.0138

0.48

0.36

SEE NOTE

0.0189

0.0142

SEE NOTE

1.27

BSC

0.050

BSC

Dwg. MH-014E mm

Dwg. MH-014E in

Surface-Mount Lead Form (order A328xxUA-TL)

0.095

2.41

0.13

0.005

0.002

MAX

0.051

MAX

0°–8°

0.004

MAX

0.10

0.020

MIN

FLAT

0.51

MAX

MIN

Dwg. MH-015 in

Dwg. MH-015 mm

FLAT

NOTES: 1. Tolerances on package height and width represent allowable mold offsets. Dimensions given are

measured at the widest point (parting line).

2. Exact body and lead configuration at vendor’s option within limits shown.

3. Height does not include mold gate flash.

4. Recommended minimum PWB hole diameter to clear transition area is 0.035" (0.89 mm).

5. Where no tolerance is specified, dimension is nominal.

6. Supplied in bulk pack (500 pieces per bag).

www.allegromicro.com

11

3280, 3281, AND 3283

CHOPPER-STABILIZED,

PRECISION

HALL-EFFECT LATCHES

The products described herein are manufactured under one or

more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283;

5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719;

5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents

pending.

Allegro MicroSystems, Inc. reserves the right to make, from time to

time, such departures from the detail specifications as may be required

to permit improvements in the performance, reliability, or

manufacturability of its products. Before placing an order, the user is

cautioned to verify that the information being relied upon is current.

Allegro products are not authorized for use as critical components

in life-support appliances, devices, or systems without express written

approval.

The information included herein is believed to be accurate and

reliable. However, Allegro MicroSystems, Inc. assumes no responsi-

bility for its use; nor for any infringements of patents or other rights of

third parties that may result from its use.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

12

型号:	328300DP012
生命周期：	Transferred
IHS 制造商：	STPI GROUP
Reach Compliance Code：	unknown
风险等级：	5.57
主体宽度：	26 mm
主体高度：	25.7 mm
主体长度或直径：	26 mm
线圈工作电压（直流）：	10 V
线圈释放电压（直流）：	0.7 V
线圈电阻：	70 Ω
最大线圈电压（直流）：	15 V
标称线圈电压：	12 V
线圈/输入电源类型：	DC
接触（交流）最大额定负载I：	15A@115VAC
触点（交流）最大额定R负载：	25A@115VAC
最大触点电流（交流）：	25 A
最大触点电流（直流）：	25 A
触点（直流）最大额定R负载：	25A@28VDC
最大触点电压（交流）：	115 V
最大触点电压（直流）：	28 V
触点/输出电源类型：	AC/DC
断开触点之间的介电强度：	1250 Vrms
电气寿命：	50000 Cycle(s)
输入切换控制类型：	Random
绝缘电阻：	100000000 Ω
端子数量：	11
工作时间：	10 ms
最高工作温度：	125 °C
最低工作温度：	-65 °C
PCB 孔数：	11
物理尺寸：	26mm x 26mm x 25.7mm
继电器样式：	3 FORM C
继电器功能：	3PDT
释放时间：	10 ms
密封：	HERMETICAL
端子长度：	0.0071 inch
端接类型：	SOLDER
重量：	97 g
Base Number Matches：	1

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