AD8274 is a difference amplifier that delivers very low distortion and excellent gain accuracy. It can drive 600Ω loads and is suitable for ADC drivers, high performance audio, instrumentation amplifier building blocks, level translators, automatic test equipment and sine/cosine encoders applications.
The AD8274 precision difference amplifier offers extremely low distortion (0.00025 % THD+N at 20 kHz) and high gain accuracy (0.03 % maximum gain error). It operates from a supply range of 2.5 V to +18 V and draws only 2.6 mA per amplifier, making it suitable for industrial signal measurement and ADC driver applications.
The device is available in 8‑lead SOIC and MSOP packages, includes built‑in short‑circuit protection, and is RoHS compliant. Detailed specifications, pin configurations, typical performance curves, and ordering information are provided in the handbook.
| THD+N (20 kHz) | 0.00025 % |
|---|---|
| Supply Current (max) | 2.6 mA |
| Gain Error (max) | 0.03 % |
| Gain Drift (‑40 °C to +85 °C) | 0.5 ppm/°C |
| Bandwidth (G=1) | 20 MHz |
| Slew Rate | 20 V/µs |
| Maximum Supply Voltage | +18 V |
| Short‑Circuit Current Limit (sourcing) | 90 mA |
The device can be powered up to +18 V (or +36 V single‑supply).
It requires a maximum supply current of 2.6 mA per amplifier.
The short‑circuit current limit for sourcing is 90 mA.
The typical total harmonic distortion plus noise is 0.00025 % at 20 kHz.