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DESCRIPTION

The LT?6372-1 is a gain programmable, high precision instrumentation amplifier that delivers industry leading DC precision. This high precision enables smaller signals to be sensed and eases calibration requirements, particularly over temperature. The LT6372-1 incorporates features into the LT6370 which further improve accuracy and simplify interfacing to an ADC.

FEATURES

■ Single Gain Set Resistor: G = 1 to >1000

■ Excellent DC Precision

■ Input Offset Voltage: 60μV Max

■ Input Offset Voltage Drift: 0.6μV/°C Max

■ Low Gain Error: 0.01 Max (G = 1)

■ Low Gain Drift: 35ppm/°C Max (G > 1)

■ High DC CMRR: 86dB Min (G = 1)

■ Integrated Output Clamps

■ Integrated Output Level Shift

■ Input Bias Current: 800pA Max

■ 3.1MHz –3dB Bandwidth (G = 1)

■ Low Noise:

■ 0.1Hz to 10Hz Noise: 0.2μVP-P

■ 1kHz Voltage Noise: 7nV/√Hz

■ Integrated Input RFI Filter

■ Wide Supply Range 4.75V to 35V

■ Temperature Ranges: –40°C to 85°C and –40°C to 125°C

■ MS16E and 20-Lead 3mm × 4mm QFN Packages

APPLICATIONS

■ Bridge Amplifier

■ Data Acquisition

■ Thermocouple Amplifier

■ Strain Gauge Amplifier

■ Medical Instrumentation

■ Transducer Interfaces

■ Differential to Single-Ended Conversion