AD7641 Datasheet - Analog Devices

AD7641 18-Bit 2-MSPS SAR ADC

The AD7641 is an 18-bit, 2 MSPS, charge redistribution SAR, fully differential, analog-to-digital converter (ADC) that operates from a single 2.5 V power supply. The part contains a high speed, 18-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction ci.

AD7641 Features

* Throughput 2 MSPS (wideband warp and warp mode) 1.5 MSPS (normal mode) INL: ±2 LSB typical, ±3 LSB max; ±8 ppm of full scale 18-bit resolution with no missing codes Dynamic range: 95.5 dB SNR: 93.5 dB typical @ 20 kHz (VREF = 2.5 V) THD:

* 112 dB typical @ 20 kHz (VREF = 2.5 V) 2.048 V intern

AD7641-AnalogDevices.pdf