AD7643 Datasheet 1.25 MSPS PulSAR ADC

Manufacturer: Analog Devices

AD7643 1.25 msps pulsar adc by Analog Devices - Datasheet Preview

Datasheet Details

Part number	AD7643
Manufacturer	Analog Devices
File Size	0.98 MB
Description	1.25 MSPS PulSAR ADC
Download	AD7643 Download (PDF)

General Description

The AD7643 is an 18-bit, 1.25 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 circuits, and both serial and parallel system interface ports.

The part has no latency and can be used in asynchronous rate a

Overview

18-Bit, 1.25 MSPS PulSAR® ADC AD7643.

Key Features

Throughput: 1.25 MSPS INL: ±1.5 LSB typical, ±3 LSB maximum (±11 ppm of full scale) 18-bit resolution with no missing codes Dynamic range: 95 dB typical SINAD: 93.5 dB typical @ 20 kHz (VREF = 2.5 V) THD:.
113 dB typical @ 20 kHz (VREF = 2.5 V) 2.048 V internal reference: typical drift 8 ppm/°C; TEMP output Differential input range: ±VREF (VREF up to 2.5 V) No pipeline delay (SAR architecture) Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface SPI®/QSPI™/.

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