AD8209

The AD8209 provides excellent ac and dc performance, minimizing errors in the application. The AD8209 is qualified per AEC-Q100 specifications. The amplifier offers enhanced input overvoltage and ESD protection, and includes EMI filtering. Automotive applications demand robust, precision components for improved system control. Typical offset and gain drift in the MSOP package are less than 5 V/°C and 10 ppm/°C, respectively. The device also delivers a minimum CMRR of 80 dB from dc to 10 kHz. The AD8209 features an externally accessible 100 k resistor at the output of the preamplifier (A1), which can be used for lowpass filtering and for establishing gains other than 14. The AD8209 is a single-supply difference amplifier ideal for amplifying and low-pass filtering small differential voltages in the presence of a large common-mode voltage. The input commonmode voltage range extends from -2 V to +45 V at a single +5 V supply.

The features of AD8209 can be summarized as (1)±8000 V HBM ESD; (2)aEC-Q100 qualified; (3)eMI filters included; (4)high common-mode voltage range -2 V to +45 V operating/ -24 V to +80 V survival; (5)buffered output voltage; (6)gain = 14 V/V; (7)low-pass filter (single-pole or two-pole); (8)wide operating temperature range 8-lead MSOP: -40°C to +125°C; (9)excellent ac and dc performance ±1 mV voltage offset/ -5 ppm/°C typical gain drift/ 80 dB CMRR minimum dc to 10 kHz.

The absolute maximum ratings of AD8209 are (1)supply voltage: 12 V; (2)continuous input voltage (Common Mode): -24 V to +80 V; (3)differential input voltage ±12 V; (4)reversed supply voltage Protection 0.3 V; (5)ESD Human Body Model ±8000 V; (6)operating temperature range -40°C to +125°C; (7)storage temperature range -65°C to +150°C; (8)output short-circuit duration: indefinite; (9)lead temperature Range (Soldering 10 sec): 300°C.