Product Summary

The AD7716BS is a signal processing block for data acquisition systems. It is capable of processing four channels with bandwidths of up to 584 Hz. Resolution is 22 bits and the usable dynamic range varies from 111 dB with an input bandwidth of 36.5 Hz to 99 dB with an input bandwidth of 584 Hz. The AD7716BS consists of four separate A/D converter channels that are implemented using sigma-delta technology. The applications of the AD7716BS are ECG Machines, EEG Machines, Process Control, High Accuracy Instrumentation, Seismic Systems.

Parametrics

AD7716BS absolute maximum ratings: (1)AVDD to AGND:–0.3 V to +7 V; (2)AVSS to AGND:+0.3 V to –7 V; (3)AGND to DGND:–0.3 V to +0.3 V; (4)AVDD to DVDD:–0.3 V to +0.3 V; (5)Analog Inputs to AGND:AVSS – 0.3 V to AVDD + 0.3 V; (6)VREF to AGND:AVSS–0.3 V to AVDD + 0.3 V; (7)Digital Inputs to DGND2:–0.3 V to DVDD + 0.3 V; (8)Digital Outputs to DGND:–0.3 V to DVDD + 0.3 V; (9)Operating Temperature Range:–40℃ to +85℃; (10)Storage Temperature Range:–65℃ to +150℃.

Features

AD7716BS features: (1)22-Bit Sigma-Delta ADC; (2)Dynamic Range of 105 dB (146 Hz Input); (3)60.003% Integral Nonlinearity; (4)On-Chip Low-Pass Digital Filter; (5)Cutoff Programmable from 584 Hz to 36.5 Hz; (6)Linear Phase Response; (7)Five Line Serial I/O; (8)Twos Complement Coding; (9)Easy Interface to DSPs and Microcomputers; (10)Software Control of Filter Cutoff; (11)±5 V Supply; (12)Low Power Operation: 50 mW.

Diagrams

AD7716BS block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AD7716BS
AD7716BS

Analog Devices Inc

IC ADC 22BIT SIGMA-DELTA 44-MQFP

Data Sheet

Negotiable 
AD7716BSZ
AD7716BSZ


IC ADC 22BIT SIGMA-DELTA 44-MQFP

Data Sheet

0-1: $35.91
1-10: $33.80
10-100: $30.21
100-250: $28.52
250-500: $28.17