Difference amplifiers
Featuring precision-matched resistor networks for high accuracy and wide input common-mode voltage range
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High common-mode voltage (≥50 V)
Maximize input signal range with high common-mode voltage capability.
Low offset (≤250 μV)
Improve DC accuracy with low offset and high-precision performance.
Automotive grade
Complete your automotive design with AEC-Q100 qualified difference amplifiers.
New products
40V, wide common-mode voltage (-40V to 85V) difference amplifier with fixed attenuation ratios
Approx. price (USD) 1ku | 0.285
Radiation-hardness-assured (RHA) high common-mode voltage difference amplifier
Why choose our difference amplifiers?
High DC precision
Ensure long-term stability with zero-drift, eliminate package stress parameter shifts with e-trim, and maintain high CMRR and low gain error with highly matched 0.001% thin film resistors.
High common-mode input range
Enable high-voltage applications with accurate measurements at high common-mode voltages, up to ±550 V
Low power
Enable battery-powered applications with precision difference amplifiers with low quiescent current consumption down to 160 μA
Small packages
Reduce board size with leadless 3x3 mm WSON packages while maintaining industry leading precision
Technical resources
Precision signal-conditioning solutions for motor control with position feedback
Analysis of Improved Howland Current Pump Configurations (Rev. A)
High common-mode differential input voltage to ±10-V ADC input circuit (Rev. A)
Design & development resources
Shunt Based Ground Fault Protection for Inverters Powered from 100/110Vac Supply Reference Design
This is?a reference design for detecting ground fault in inverter-based drives. Inverter current is measured on both DC-positive and DC-negative bus using shunt resistors. INA149 current sense amplifier having a common-mode voltage range of +275 V is used to measure current on DC-positive bus. (...)
PM2.5 and PM10 Particle Sensor Analog Front-End for Air Quality Monitoring Reference Design
TIDA-00378 provides an analog front-end for measuring PM2.5 and PM10 particle matter. The reference design detects light scattered by particles suspended in air. A sample software algorithm is provided to convert the analog output of the design into a particle size and concentration measurement. (...)
Analog Input Module for Industrial Outputs and Temperature Sensors Reference Design
This reference design that is precision verified implements an analog input module for industrial voltages, currents and temperature sensors.? For industrial outputs, the possible input ranges include: 4 to 20 mA, 0 to 20 mA, +/-25 mA, 0 to 5 V, 0 to 10 V, +/-5 V and +/-10 V. The design (...)