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Part Number: LT6650

 

 

 

 

Description: The LT®6650 is a micropower, low voltage 400mV reference. Operating with supplies from 1.4V up to ...


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LT6650 General Description


The LT®6650 is a micropower, low voltage 400mV reference. Operating with supplies from 1.4V up to 18V, the
device draws only 5.6mA typical, making it ideal for low voltage systems as well as handheld instruments and
industrial control systems. With only two resistors the internal buffer amplifier can scale the 400mV reference to any desired value up to the supply voltage.

The reference is postpackage-trimmed to increase the output accuracy. The output can sink and source 200mA
over temperature. Quiescent power dissipation is 28mW. Stability is ensured with any output capacitor of 1mF or
higher.

The LT6650 is the lowest voltage series reference available in the 5-lead SOT-23 package.

LT6650 Maximum Ratings

Total Supply Voltage (VIN to GND)........................... 20V
FB Voltage (Note 2) ....................... 20V to (GND 0.3V)
Output Voltage (OUT) .................... 20V to (GND 0.3V)
Output Short Circuit Duration .......................... Indefinite
FB Input Current ................................................... 10mA
Operating Temperature Range ............... 40°C to 125°C
Specified Temperature Range
LT6650CS5 ............................................. 0°C to 70°C
LT6650IS5........................................... 40°C to 85°C
LT6650HS5 (Note 3) ......................... 40°C to 125°C
Maximum Junction Temperature .......................... 150°C
Storage Temperature Range
(Note 4) ............................................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C

LT6650 Features

Low Quiescent Current 5.6mA (typical)
Wide Supply Range: 1.4V to 18V
400mV Reference ±1% Maximum Accuracy Over Temperature at 5V
Rail-to-Rail Buffer Amplifier
0.5% 400mV Maximum Initial Accuracy at 5V
Shunt Configurable
Sinks and Sources Current
Wide Operational Range 40°C to 125°C
Externally Adjustable Output Voltage
Low Profile 1mm 5-lead SOT-23 (ThinSOT™) Package

LT6650 Typical Application

Battery-Operated Systems
Handheld Instruments
Industrial Control Systems
Data Acquisition Systems
Negative Voltage References

LT6650 datasheet

LT6650
PDF/DataSheet Download

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