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ANALOG DEVICES  AD420ARZ-32  Digital to Analog Converter, 16 bit, 400 SPS, Serial, 12V to 32V, SOIC, 24 Pins

ANALOG DEVICES AD420ARZ-32
Technical Data Sheet (341.08KB) EN See all Technical Docs

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Product Overview

The AD420ARZ-32 is a Serial Input 16-bit DAC designed to meet the needs of the industrial control market. It provides a high precision, fully integrated, single-chip solution for generating current loop signals. The output current range can be programmed to 4 to 20mA, 0 to 20mA or an over range function of 0 to 24mA. The AD420 can alternatively provide a voltage output from a separate pin that can be configured to provide 0-5V, 0-10V, ±5V or ±10V with the addition of a single external buffer amplifier. The 3.3Mbaud serial input logic design minimizes the cost of galvanic isolation and allows for simple connection to commonly used microprocessors. It can be used in 3-wire or asynchronous mode and a serial-out pin is provided to allow daisy chaining of multiple DACs on the current loop side of the isolation barrier. It uses Sigma-Delta (Σ-Δ) DAC technology to achieve 16-bit monotonicity at very low cost. Full-scale settling to 0.1% occurs within 3ms.
  • 16-bit Resolution and monotonicity
  • ±0.012% Maximum integral nonlinearity
  • ±0.05% Maximum offset (trimmable)
  • ±0.15% Maximum total output error (trimmable)
  • Flexible serial digital interface (3.3MBPS)
  • On-chip loop fault detection
  • Asynchronous clear function
ESD sensitive device, take proper precaution while handling the device.

 

Product Information

Resolution (Bits):
16bit
Sampling Rate:
400SPS
Input Channel Type:
Serial
Supply Voltage Range:
12V to 32V
ADC / DAC Case Style:
SOIC
No. of Pins:
24Pins
Data Interface:
SPI
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
AD420 Series
MSL:
MSL 3 - 168 hours
Supply Current:
4.2 mA
Supply Voltage Range - Analogue:
12V to 32V
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Signal Processing;
  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 3 - 168 hours
Product Traceability
RoHS Compliant:
Yes

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