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LM4040 PDF预览

LM4040

更新时间: 2024-11-24 11:36:03
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描述
Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages

LM4040 数据手册

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19-1787; Rev 7; 11/11  
Improved Precision Micropower Shunt Voltage  
Reference with Multiple Reverse Breakdown Voltages  
LM40  
General Description  
Features  
The LM4040 is a precision two-terminal shunt mode,  
bandgap voltage reference available in fixed reverse  
breakdown voltages of 2.048V, 2.500V, 3.000V, 3.3V,  
4.096V, and 5.000V. Ideal for space-critical applica-  
tions, the LM4040 is offered in the subminiature 3-pin  
o Ultra-Small 3-Pin SC70 Package  
o 0.1% (max) Initial Accuracy  
o 100ppm/°C (max) Temperature Coefficient  
Guaranteed over -40°C to +125°C Temperature  
Range  
o Wide Operating Current Range: 60µA to 15mA  
SC70 surface-mount package (1.8mm 1.8mm), 50%  
smaller than comparable devices in SOT23 surface-  
mount packages (SOT23 versions are also available).  
o Low 28µV  
Output Noise (10Hz to 10kHz)  
RMS  
Laser-trimmed resistors ensure precise initial accuracy.  
With a 100ppm/°C temperature coefficient, the device  
is offered in four grades of initial accuracy ranging from  
0.1% to 1%. The LM4040 has a 60µA to 15mA shunt  
current capability with low dynamic impedance, ensur-  
ing stable reverse breakdown voltage accuracy over a  
wide range of operating temperatures and currents.  
o 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V  
Fixed Reverse Breakdown Voltages  
o No Output Capacitors Required  
o Tolerates Capacitive Loads  
Selector Guide  
The LM4040 does not require an external stabilizing  
capacitor while ensuring stability with any capacitive  
load.  
OUTPUT  
VOLTAGE  
(V)  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
The LM4040 is guaranteed over the temperature range  
of -40°C to +125°C.  
LM4040_IM3-2.1+T  
LM4040_IX3-2.1+T  
LM4040_EM3-2.1+T  
LM4040_EX3-2.1+T  
LM4040_IM3-2.5+T  
LM4040_IX3-2.5+T  
LM4040_IM3-2.5/V+T  
LM4040_EM3-2.5+T  
-40°C to +85°C 3 SOT23  
-40°C to +85°C 3 SC70  
-40°C to +125°C 3 SOT23  
-40°C to +125°C 3 SC70  
-40°C to +85°C 3 SOT23  
-40°C to +85°C 3 SC70  
-40°C to +85°C 3 SC70  
-40°C to +125°C 3 SOT23  
2.048  
2.048  
2.048  
2.048  
2.500  
2.500  
2.500  
2.500  
2.500  
2.500  
3.000  
3.000  
3.000  
3.300  
4.096  
4.096  
4.096  
4.096  
4.096  
5.000  
5.000  
5.000  
5.000  
5.000  
For a 1.225V output version, refer to the LM4041 data  
sheet.  
________________________Applications  
Portable, Battery-Powered Equipment  
Notebook Computers  
Cell Phones  
Industrial Process Controls  
LM4040_EM3-2.5/V+T -40°C to +125°C 3 SOT23  
LM4040_EX3-2.5+T  
LM4040_IM3-3.0+T  
LM4040_IX3-3.0+T  
LM4040_EX3-3.0+T  
LM4040_EX3-3.3+T  
LM4040_IM3-4.1+T  
LM4040_IX3-4.1+T  
LM4040_EM3-4.1  
-40°C to +125°C 3 SC70  
-40°C to +85°C 3 SOT23  
-40°C to +85°C 3 SC70  
-40°C to +125°C 3 SC70  
-40°C to +125°C 3 SC70  
-40°C to +85°C 3 SOT23  
-40°C to +85°C 3 SC70  
-40°C to +125°C 3 SOT23  
Pin Configuration  
TOP VIEW  
+
+
1
2
3
N.C.*  
LM4040  
LM4040_EM3-4.1/V+T -40°C to +125°C 3 SOT23  
LM4040_EX3-4.1+T -40°C to +125°C 3 SC70  
-
LM4040_IM3-5.0+T  
LM4040_IX3-5.0+T  
-40°C to +85°C 3 SOT23  
-40°C to +85°C 3 SC70  
SC70-3/SOT23-3  
LM4040_EM3-5.0+T -40°C to +125°C 3 SOT23  
LM4040_EM3-5.0/V+T -40°C to +125°C 3 SOT23  
LM4040_EX3-5.0+T -40°C to +125°C 3 SC70  
*PIN 3 MUST BE LEFT UNCONNECTED  
OR CONNECTED TO PIN 2.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
Ordering Information appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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