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LM4040CEX3-3.3+ PDF预览

LM4040CEX3-3.3+

更新时间: 2024-11-02 09:51:27
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描述
Two Terminal Voltage Reference

LM4040CEX3-3.3+ 数据手册

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LM4040  
Improved Precision Micropower Shunt Voltage  
Reference with Multiple Reverse Breakdown Voltages  
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  
The LM4040 does not require an external stabilizing  
capacitor while ensuring stability with any capacitive  
load.  
Pin Configuration  
TOP VIEW  
The LM4040 is guaranteed over the temperature range  
of -40°C to +125°C.  
+
+
1
2
For a 1.225V output version, refer to the LM4041 data  
sheet.  
LM4040  
3
N.C.*  
________________________Applications  
-
Portable, Battery-Powered Equipment  
Notebook Computers  
SC70-3/SOT23-3  
Cell Phones  
*PIN 3 MUST BE LEFT UNCONNECTED  
OR CONNECTED TO PIN 2.  
Industrial Process Controls  
Ordering Information appears at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-1787; Rev 8; 3/13  

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