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AD7703ARZ - 

Analog to Digital Converter, Dual, 20 bit, 4 kSPS, Dual (+/-), 4.5 V, 5.5 V, WSOIC

AD7703ARZ - Analog to Digital Converter, Dual, 20 bit, 4 kSPS, Dual (+/-), 4.5 V, 5.5 V, WSOIC

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Manufacturer Part No:
AD7703ARZ
Newark Part No.:
39Y2832
Product Range
Single 20-Bit Sigma-Delta ADCs
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The AD7703ARZ is an Analog-to-digital Converter (ADC) that uses sigma-delta conversion technique. The analog input is continuously sampled by an analog modulator whose mean output duty cycle is proportional to the input signal. The modulator output is processed by an on-chip digital filter with a 6-pole Gaussian response, which updates the output data register with 20-bit binary words at word rates up to 4kHz. The sampling rate, filter corner frequency and output word rate are set by a master clock input that may be supplied externally or by a crystal controlled on-chip clock oscillator. The inherent linearity of the ADC is excellent and endpoint accuracy is ensured by self-calibration of zero and full scale, which may be initiated at any time. The self-calibration scheme can also be extended to null system offset and gain errors in the input channel. CMOS construction ensures low power dissipation and a power-down mode reduces the idle power consumption to only 10µW.
  • On-chip self-calibration circuitry
  • Programmable low-pass filter
  • Flexible serial interface
  • Ultralow power

Applications

Automation & Process Control, Consumer Electronics, Portable Devices, Sensing & Instrumentation

Product Information

:
20bit
:
4kSPS
:
Dual (+/-)
:
4.5V
:
5.5V
:
WSOIC
:
20Pins
:
Single Ended
:
Serial
:
-40°C
:
85°C
:
Single 20-Bit Sigma-Delta ADCs
:
-
:
Yes
:
MSL 3 - 168 hours
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No Longer Manufactured

Alternatives Available

74K3627 - Analog to Digital Converter, 24 bit, 16 kSPS, Single, 4.75 V, 5.25 V, SOP

No longer stocked:: No Longer Manufactured:: true

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