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LMP8275 - High Common Mode / Gain of 20 / Precision Voltage Difference Amplifiers

General Description

The LMP™8270, LMP8275 are fixed gain differential amplifiers with a -2V to 27V input common mode voltage range and a supply voltage range of 4.5V to 5.5V.

Key Features

  • n n n n n n n n n n n n Typical Values, TA = 25˚C Input Offset Voltage 1mV max TCVos (LMP8270) 15µV/˚C max TCVos (LMP8275) 30µV/˚C max CMRR 80dB Min Extended CMVR -5V to 36V Output Voltage Swing Rail to Rail Bandwidth 80KHz Operating Temperature Range (Ambient) -40˚C to 125˚C Operating Temperature Range (bare die) -40˚C to 150˚C Supply Voltage 4.5V to 5.5V Supply Current 1mA.

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Part Number Description Manufacturer
LMP8275 Precision Voltage Difference Amplifier Texas Instruments

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LMP8270,LMP8275 High Common Mode, Gain of 20, Precision Voltage Difference Amplifiers PRELIMINARY January 2005 LMP8270, LMP8275 High Common Mode, Gain of 20, Precision Voltage Difference Amplifiers General Description The LMP™8270, LMP8275 are fixed gain differential amplifiers with a -2V to 27V input common mode voltage range and a supply voltage range of 4.5V to 5.5V. The LMP8270, LMP8275 are precision amplifiers which will detect, amplify and filter small differential signals in the presence of high common mode voltages. The gain is fixed at 20 and is adequate to drive an ADC to full scale in most cases. The LMP8270, LMP8275 have a preamplifier with a fixed gain of 10 and an amplifier with a fixed gain of 2, achieving overall fixed gain of 20.