The AD8206 is a single-supply difference amplifier for amplifying small differential voltages. It is ideal for current shunt applications and features a high common-mode voltage range and wide operating temperature range. It is suitable for high-side current sensing, motor controls, transmission controls, diesel-injection controls, engine management, suspension controls, vehicle dynamic controls, DC-to-DC converters, and other applications.
The AD8206 is a single‑supply difference amplifier designed to amplify small differential voltages in the presence of large common‑mode voltages. It offers a gain of 20 V/V, a wide input common‑mode range of –2 V to +65 V, and an automotive‑qualified operating temperature range of –40 °C to +125 °C.
Typical applications include high‑side current sensing for motor, transmission and diesel‑injection controls, as well as H‑bridge motor control. The device is supplied in an 8‑lead SOIC package and is available in automotive‑qualified versions.
| Gain | 20 V/V |
|---|---|
| Input Common‑Mode Voltage Range | –2 V to +65 V |
| Output Offset Adjustment Range | 0.08 V to 4.7 V |
| Supply Voltage Range | 4.5 V to 10 V (absolute max 12.5 V) |
| CMRR (typ.) | 80 dB (dc to 20 kHz) |
| Offset Drift | 15 µV/°C |
| Gain Drift | 30 ppm/°C |
| Differential Input Impedance | 400 kΩ |
| Small‑Signal Bandwidth (‑3 dB) | 100 kHz |
The AD8206 has a fixed gain of 20 V/V.
It operates from a single supply of 4.5 V to 10 V, with an absolute maximum of 12.5 V.
Yes, the AD8206 is qualified for automotive applications.
The output offset can be set between 0.08 V and 4.7 V using the Vrerl and Vrer2 pins.