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LM4040C

Texas Instruments
Part Number LM4040C
Manufacturer Texas Instruments
Description PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
Published Feb 18, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community LM4040A, LM4040B LM4040C, LM4040D...
Datasheet PDF File LM4040C PDF File

LM4040C
LM4040C

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community LM4040A, LM4040B LM4040C, LM4040D SLOS456N – JANUARY 2005 – REVISED OCTOBER 2017 LM4040 Precision Micropower Shunt Voltage Reference 1 Features •1 Fixed Output Voltages of 2.
048 V, 2.
5 V, 3 V, 4.
096 V, 5 V, 8.
192 V, and 10 V • Tight Output Tolerances and Low Temperature Coefficient – Max 0.
1%, 100 ppm/°C – A Grade – Max 0.
2%, 100 ppm/°C – B Grade – Max 0.
5%, 100 ppm/°C – C Grade – Max 1.
0%, 150 ppm/°C – D Grade • Low Output Noise: 35 μVRMS Typ • Wide Operating Current Range: 45 μA Typ to 15 mA • Stable With All Capacitive Loads; No Output Capacitor Required • Available in Extended Temperature Range: –40°C to 125°C 2 Applications • Data-Acquisition Systems • Power Supplies and Power-Supply Monitors • Instrumentation and Test Equipment • Process Controls • Precision Audio • Automotive Electronics • Energy Management • Battery-Powered Equipment 3 Description The LM4040 series of shunt voltage references are versatile, easy-to-use references that cater to a vast array of applications.
The 2-pin fixed-output device requires no external capacitors for operation and is stable with all capacitive loads.
Additionally, the reference offers low dynamic impedance, low noise, and low temperature coefficient to ensure a stable output voltage over a wide range of operating currents and temperatures.
The LM4040 uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to offer four output voltage tolerances, ranging from 0.
1% (max) for the A grade to 1% (max) for the D grade.
Thus, a great deal of flexibility is offered to designers in choosing the best cost-toperformance ratio for their applications.
Packaged in space-saving SC-70 and SOT-23-3 packages and requiring a minimum current of 45 μA (typ), the LM4040 also is ideal for portable applications.
The LM4040xI is characterized for operation over an ambient temperature range of –40°C to 85°C.
The LM4040xQ is characterized for ...


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