Part # AD7641 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD7641 18-Bit 2 MSPS SAR ADC Data Sheet (Rev. 0)

Part Details:

18-Bit, 2 MSPS SAR ADC AD7641 FEATURES FUNCTIONAL BLOCK DIAGRAM Throughput TEMP REFBUFIN REF REFGND DVDD DGND 2 MSPS (wideband warp and warp mode) AGND 1.5 MSPS (normal mode) AD7641 OVDD AVDD INL: ±2 LSB typical, ±3 LSB max; ±8 ppm of full scale OGND REF 18-bit resolution with no missing codes REF AMP SERIAL Dynamic range: 95.5 dB PORT IN+ 18 SWITCHED D[17:0] SNR: 93.5 dB typical @ 20 kHz (VREF = 2.5 V) IN­ CAP DAC MODE0 PARALLEL THD: -112 dB typical @ 20 kHz (VREF = 2.5 V) INTERFACE MODE1 2.048 V internal reference: typ drift 10 ppm/°C; TEMP output PDREF CLOCK BUSY Differential input range: ±VREF (VREF up to 2.5 V) PDBUF RD CONTROL LOGIC AND No pipeline delay (SAR architecture) PD CALIBRATION CIRCUITRY CS Parallel (18-, 16-, or 8-bit bus) and RESET D0/OB/2C serial 5 V/3.3 V/2.5 V interface 001 SPI®/QSPITM/MICROWIRETM/DSP compatible WARP NORMAL CNVST

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AD7641.pdf Datasheet