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产品型号LM392-N的Datasheet PDF文件预览

LM392  
LM392 Low Power Operational Amplifier/Voltage Comparator  
Literature Number: SNOSBT5C  
August 2000  
LM392  
Low Power Operational Amplifier/Voltage Comparator  
n Power drain suitable for battery operation  
General Description  
n Pin-out is the same as both the LM358 dual op amp and  
The LM392 series consists of 2 independent building block  
the LM393 dual comparator  
circuits. One is a high gain, internally frequency compen-  
sated operational amplifier, and the other is a precision  
voltage comparator. Both the operational amplifier and the  
voltage comparator have been specifically designed to op-  
erate from a single power supply over a wide range of  
voltages. Both circuits have input stages which will common-  
mode input down to ground when operating from a single  
power supply. Operation from split power supplies is also  
possible and the low power supply current is independent of  
the magnitude of the supply voltage.  
Features  
n Wide power supply voltage range  
Single supply: 3V to 32V  
Dual supply:  
1.5V to 16V  
n Low supply current drainessentially independent of  
supply voltage: 600 µA  
n Low input biasing current: 50 nA  
n Low input offset voltage: 2 mV  
n Low input offset current: 5 nA  
n Input common-mode voltage range includes ground  
n Differential input voltage range equal to the power  
supply voltage  
Application areas include transducer amplifier with pulse  
shaper, DC gain block with level detector, VCO, as well as all  
conventional operational amplifier or voltage comparator cir-  
cuits. Both circuits can be operated directly from the stan-  
dard 5 VDC power supply voltage used in digital systems,  
and the output of the comparator will interface directly with  
either TTL or CMOS logic. In addition, the low power drain  
makes the LM392 extremely useful in the design of portable  
equipment.  
ADDITIONAL OP AMP FEATURES  
n Internally frequency compensated for unity gain  
n Large DC voltage gain: 100 dB  
n Wide bandwidth (unity gain): 1 MHz  
n Large output voltage swing: 0V to V+ − 1.5V  
Advantages  
ADDITIONAL COMPARATOR FEATURES  
n Low output saturation voltage: 250 mV at 4 mA  
n Output voltage compatible with all types of logic systems  
n Eliminates need for dual power supplies  
n An internally compensated op amp and a precision  
comparator in the same package  
n Allows sensing at or near ground  
Connection Diagram  
(Amplifier A = Comparator)  
(Amplifier B = Operational Amplifier)  
Dual-In-Line Package  
00779301  
(Top View)  
Order Number LM392M or LM392MX  
See NS Package Number M08A  
Order Number LM392N  
See NS Package Number N08E  
© 2004 National Semiconductor Corporation  
DS007793  
www.national.com  
Distributors for availability and specifications.  
Absolute Maximum Ratings (Note 1)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
LM392  
32V or 16V  
32V  
Supply Voltage, V+  
Differential Input Voltage  
Input Voltage  
−0.3V to +32V  
Power Dissipation (Note 2)  
Molded DIP (LM392N)  
820 mW  
530 mW  
Small Outline Package (LM392M)  
Output Short-Circuit to Ground (Note 3)  
Continuous  
50 mA  
<
Input Current (VIN −0.3 VDC) (Note 4)  
Operating Temperature Range  
Storage Temperature Range  
Lead Temperature (Soldering, 10 seconds)  
ESD rating to be determined.  
Soldering Information  
0˚C to +70˚C  
−65˚C to +150˚C  
260˚C  
Dual-in-Line Package  
Soldering (10 seconds)  
260˚C  
Small Outline Package  
Vapor Phase (60 seconds)  
Infrared (15 seconds)  
215˚C  
220˚C  
See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other  
methods of soldering surface mount devices.  
Electrical Characteristics  
(V+ = 5 VDC; specifications apply to both amplifiers unless otherwise stated) (Note 5)  
Parameter Conditions  
LM392  
Typ  
2
Units  
Min  
Max  
5
Input Offset Voltage  
TA = 25˚C, (Note 6)  
mV  
nA  
Input Bias Current  
IN(+) or IN(−), TA =25˚C, (Note 7) , VCM  
=
50  
250  
0V  
Input Offset Current  
IN(+) − IN(−), TA = 25˚C  
V+ = 30 VDC, TA = 25˚C, (Note 8)  
5
50  
V+−1.5  
nA  
V
Input Common-Mode Voltage Range  
Supply Current  
0
+
RL  
RL  
=
=
, V = 30 V  
1
2
1
mA  
mA  
dB  
+
Supply Current  
, V = 5 V  
0.5  
Amplifier-to-Amplifier Coupling  
f = 1 kHz to 20 kHz, TA = 25˚C, Input  
Referred, (Note 9)  
(Note 6)  
−100  
Input Offset Voltage  
7
400  
150  
V+−2  
32  
mV  
nA  
nA  
V
Input Bias Current  
IN(+) or IN(−)  
Input Offset Current  
IN(+) − IN(−)  
V+ = 30 VDC, (Note 8)  
Keep All VINs0 VDC (or V, if used ) (Note  
Input Common-Mode Voltage Range  
Differential Input Voltage  
0
V
10)  
www.national.com  
2
Electrical Characteristics (Continued)  
(V+ = 5 VDC; specifications apply to both amplifiers unless otherwise stated) (Note 5)  
Parameter  
Conditions  
LM392  
Typ  
Units  
Min  
Max  
OP AMP ONLY  
Large Signal Voltage Gain  
V+ = 15 VDC, Vo swing = 1 VDC to 11 VDC  
RL = 2 k, TA = 25˚C  
,
25  
100  
V/mV  
Output Voltage Swing  
RL = 2 k, TA = 25˚C  
0
V+−1.5  
V
Common-Mode Rejection Ratio  
Power Supply Rejection Ratio  
Output Current Source  
DC, TA = 25˚C, VCM= 0, VDC to V+−1.5 VDC  
65  
65  
70  
dB  
dB  
DC, TA = 25˚C  
100  
VIN(+) = 1 VDC, VIN(−) = 0 VDC  
V+ = 15 VDC, Vo = 2 VDC, TA = 25˚C  
VIN(−) = 1 VDC, VIN(+) = 0 VDC  
V+ = 15 VDC, Vo =2VDC, TA = 25˚C  
,
20  
10  
40  
20  
mA  
mA  
Output Current Sink  
,
VIN(−) = 1 VDC, VIN(+) = 0 VDC  
,
12  
50  
µA  
V+ = 15 VDC, Vo =200 mV, TA = 25˚C  
Input Offset Voltage Drift  
Input Offset Current Drift  
COMPARATOR ONLY  
Voltage Gain  
RS = 0Ω  
RS = 0Ω  
7
µV/˚C  
10  
pADC/˚C  
RL 15 k, V+ = 15 VDC, TA = 25˚C  
VIN = TTL Logic Swing, VREF = 1.4 VDC  
VRL = 5 VDC, RL = 5.1 k, TA = 25˚C  
VRL = 5 VDC, RL = 5.1 k, TA = 25˚C  
50  
6
200  
300  
V/mV  
ns  
Large Signal Response Time  
Response Time  
1.3  
16  
µs  
Output Sink Current  
VIN(−) =1 VDC, VIN(+) = 0 VDC  
VO 1.5 VDC, TA = 25˚C  
VIN(−) 1 VDC, VIN(+) = 0,  
ISINK 4 mA, TA = 25˚C  
VIN(−) 1 VDC, VIN(+) = 0,  
ISINK 4 mA  
,
mA  
Saturation Voltage  
250  
400  
700  
mV  
mV  
Output Leakage Current  
VIN(−) = 0, VIN(+) 1 VDC  
Vo = 5 VDC, TA = 25˚C  
VIN(−) = 0, VIN(+) 1 VDC  
Vo = 30 VDC  
,
0.1  
nA  
µA  
,
1.0  
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.  
Note 2: For operating at temperatures above 25˚C, the LM392 must be derated based on a 125˚C maximum junction temperature and a thermal resistance of  
122˚C/W which applies for the device soldered in a printed circuit board, operating in still air ambient. The dissipation is the total of both amplifiers — use external  
resistors, where possible, to allow the amplifier to saturate or to reduce the power which is dissipated in the integrated circuit.  
+
Note 3: Short circuits from the output to V can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output  
+
current is approximately 40 mA for the op amp and 30 mA for the comparator independent of the magnitude of V . At values of supply voltage in excess of 15V,  
continuous short circuits can exceed the power dissipation ratings and cause eventual destruction.  
Note 4: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP  
transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action  
+
on the IC chip. This transistor action can cause the output voltages of the amplifiers to go to the V voltage level (or to ground for a large overdrive) for the time  
duration that an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returns  
to a value greater than −0.3V (at 25˚C).  
+
Note 5: These specifications apply for V = 5V, unless otherwise stated. For the LM392, temperature specifications are limited to 0˚C T +70˚C.  
A
+
+
Note 6: At output switch point, V . 1.4V, R = 0with V from 5V to 30V; and over the full input common-mode range (0V to V − 1.5V).  
O
S
Note 7: The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the output so  
no loading change exists on the input lines.  
Note 8: The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the common-mode  
+
voltage range is V − 1.5V, but either or both inputs can go to 32V without damage.  
Note 9: Due to proximity of external components, insure that coupling is not originating via the stray capacitance between these external parts. This typically can  
be detected as this type of capacitive coupling increases at higher frequencies.  
Note 10: Positive excursions of input voltage may exceed the power supply level. As long as the other input voltage remains within the common-mode range, the  
comparator will provide a proper output state. The input voltage to the op amp should not exceed the power supply level. The input voltage state must not be less  
than −0.3V (or 0.3V below the magnitude of the negative power supply, if used) on either amplifier.  
Note 11: The response time specified is for a 100 mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be obtained.  
3
www.national.com  
Schematic Diagram  
00779302  
Application Hints  
Please refer to the application hints section of the LM193  
and the LM158 datasheets.  
www.national.com  
4
Physical Dimensions inches (millimeters)  
unless otherwise noted  
S.O. Package (M)  
Order Number LM392M or LM392MX  
NS Package Number M08A  
Molded Dual-In-Line Package (N)  
Order Number LM392N  
NS Package Number N08E  
5
www.national.com  
Notes  
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.  
BANNED SUBSTANCE COMPLIANCE  
National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products  
Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification  
(CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2.  
National Semiconductor  
Americas Customer  
Support Center  
National Semiconductor  
Europe Customer Support Center  
Fax: +49 (0) 180-530 85 86  
National Semiconductor  
Asia Pacific Customer  
Support Center  
National Semiconductor  
Japan Customer Support Center  
Fax: 81-3-5639-7507  
Email: new.feedback@nsc.com  
Tel: 1-800-272-9959  
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  
Email: jpn.feedback@nsc.com  
Tel: 81-3-5639-7560  
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.  
IMPORTANT NOTICE  
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配单直通车
LM392D产品参数
型号:LM392D
Brand Name:Texas Instruments
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Active
IHS 制造商:TEXAS INSTRUMENTS INC
零件包装代码:SOIC
包装说明:SOIC-8
针数:8
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.33.00.01
Factory Lead Time:1 week
风险等级:0.61
Is Samacsys:N
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.4 µA
25C 时的最大偏置电流 (IIB):0.205 µA
最小共模抑制比:65 dB
标称共模抑制比:70 dB
频率补偿:YES
最大输入失调电流 (IIO):0.05 µA
最大输入失调电压:5000 µV
JESD-30 代码:R-PDSO-G8
JESD-609代码:e4
长度:4.9 mm
低-偏置:NO
低-失调:NO
微功率:NO
湿度敏感等级:1
负供电电压上限:
标称负供电电压 (Vsup):
功能数量:2
端子数量:8
最高工作温度:70 °C
最低工作温度:
封装主体材料:PLASTIC/EPOXY
封装代码:SOP
封装等效代码:SOP8,.25
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE
包装方法:TUBE
峰值回流温度(摄氏度):260
功率:NO
可编程功率:NO
认证状态:Not Qualified
座面最大高度:1.75 mm
子类别:Operational Amplifier
最大压摆率:1 mA
供电电压上限:32 V
标称供电电压 (Vsup):5 V
表面贴装:YES
技术:BIPOLAR
温度等级:COMMERCIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING
端子节距:1.27 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
标称均一增益带宽:1000 kHz
最小电压增益:25000
宽带:NO
宽度:3.9 mm
Base Number Matches:1
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