Low

AD7716BPZ - 

Analogue to Digital Converter, 22 bit, 2.2 kSPS, Dual (+/-), 4.75 V, 5.25 V, PLCC

ANALOG DEVICES AD7716BPZ

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Manufacturer Part No:
AD7716BPZ
Order Code:
2461796
Product Range
Quad 22-Bit Sigma-Delta ADCs
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
-40°C
:
22bit
:
PLCC
:
Dual (+/-)
:
85°C
:
2.2kSPS
:
Serial
:
44Pins
:
Quad 22-Bit Sigma-Delta ADCs
:
-
:
4.75V
:
Each
:
5.25V
:
Single Ended
:
MSL 3 - 168 hours
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Product Overview

The AD7716BPZ is a 22-bit signal processing block Data Acquisition System capable of processing four channels with bandwidths of up to 584Hz. The device consists of four separate A/D converter channels that are implemented using sigma-delta technology. Sigma-delta ADCs include on-chip digital filtering and thus the system filtering requirements are eased. This allows a data acquisition system with up to 32-channel to be set up in a simple fashion. The output word from the device contains 32-bit of data. 1-bit is determined by the state of the DIN1 input and may be used, for example, in an ECG system with an external pace-maker detects circuit to indicate that the output word is invalid because of the presence of a pacemaker pulse. 2-bit contains the channel address and 3-bit are the device address. Thus, each channel in a 32-channel system would have a discrete 5-bit address. The device also has a CASCOUT pin and a CASCIN pin that allow simple networking of multiple devices.
  • On-chip low-pass digital filter
  • Linear phase response
  • 5-Line serial I/O
  • Twos complement coding
  • Easy interface to DSPs and microcomputers
  • Software control of filter cut-OFF

Applications

Automation & Process Control, Sensing & Instrumentation, Signal Processing

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