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LTC6915 - Precision Instrumentation Amplifier

Description

The LTC®6915 is a precision programmable gain instrumentation amplifier.

The gain can be programmed to 0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, or 4096 through a parallel or serial interface.

The CMRR is typically 125dB with a single 5V supply with any programmed gain.

Features

  • n 14 Levels of Programmable Gain n 125dB CMRR Independent of Gain n Gain Accuracy 0.1% (Typ) n Maximum Offset Voltage of 10µV n Maximum Offset Voltage Drift: 50nV/°C n Rail-to-Rail Input and Output n Parallel or Serial (SPI) Interface for Gain Setting n Supply Operation: 2.7V to ±5.5V n Typical Noise: 2.5µVP-P (0.01Hz to 10Hz) n 16-Lead SSOP and 12-Lead DFN Packages.

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Full PDF Text Transcription

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LTC6915 Zero Drift, Precision Instrumentation Amplifier with Digitally Programmable Gain Features n 14 Levels of Programmable Gain n 125dB CMRR Independent of Gain n Gain Accuracy 0.1% (Typ) n Maximum Offset Voltage of 10µV n Maximum Offset Voltage Drift: 50nV/°C n Rail-to-Rail Input and Output n Parallel or Serial (SPI) Interface for Gain Setting n Supply Operation: 2.7V to ±5.5V n Typical Noise: 2.5µVP-P (0.01Hz to 10Hz) n 16-Lead SSOP and 12-Lead DFN Packages Applications n Thermocouple Amplifiers n Electronic Scales n Medical Instrumentation n Strain Gauge Amplifier n High Resolution Data Acquisition Description The LTC®6915 is a precision programmable gain instrumentation amplifier.
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