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LTC2421CMS#PBF - 

Analogue to Digital Converter, 20 bit, 7.5 SPS, Single, 2.7 V, 5.5 V, MSOP

LTC2421CMS#PBF - Analogue to Digital Converter, 20 bit, 7.5 SPS, Single, 2.7 V, 5.5 V, MSOP

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC2421CMS#PBF
Order Code:
1330928
Product Range
Single 20-Bit Sigma-Delta ADCs
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC2421CMS#PBF is a 1-channel micropower 20-bit Analog-to-digital Converter (ADC) with an integrated oscillator. This ultra-small device uses delta-sigma technology and a new digital filter architecture that settles in a single cycle. This eliminates the latency found in conventional sigma-delta converter and simplifies multiplexed applications. Through a single pin, the ADC can be configured for better than 110dB rejection at 50/60Hz±2% or can be driven by an external oscillator for user defined rejection frequency in the range 1 to 120Hz. The internal oscillator requires no external frequency setting components. This converter accepts an external reference voltage from 0.1V to VCC. With an extended input conversion range of -12.5% to 112.5%VREF, the ADC smoothly resolves the offset and over-range problems of preceding sensors or signal conditioning circuits. It communicates through a 2/3-wire digital interface that is compatible with SPI and MICROWIRE™ protocols.
  • Low supply current and auto shutdown
  • Automatic channel selection (Ping-Pong)
  • No latency - digital filter settles in a single conversion cycle
  • Zero scale and full scale set for reference and ground sensing
  • Internal oscillator - no external components required
  • Pin compatible with LTC2401/LTC2402

Applications

Consumer Electronics, Test & Measurement, Automation & Process Control

Product Information

:
20bit
:
7.5SPS
:
Single
:
2.7V
:
5.5V
:
MSOP
:
10Pins
:
Single Ended
:
Serial
:
0°C
:
70°C
:
Single 20-Bit Sigma-Delta ADCs
:
-
:
Yes
:
MSL 1 - Unlimited
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