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LTC2499CUHF#PBF - 

Analogue to Digital Converter, 24 bit, 7.5 SPS, Single, 2.7 V, 5.5 V, QFN

LTC2499CUHF#PBF - Analogue to Digital Converter, 24 bit, 7.5 SPS, Single, 2.7 V, 5.5 V, QFN

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Manufacturer Part No:
LTC2499CUHF#PBF
Order Code:
1663692
Product Range
16 Channel 24-Bit Sigma-Delta ADCs
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC2499CUHF#PBF is a 16-channel 24-bit delta-sigma A/D Converter with easy drive input current cancellation and I²C interface. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current. This allows large external source impedances and input signals with rail-to-rail input range to be directly digitized while maintaining exceptional DC accuracy. The LTC2499 includes a high accuracy, temperature sensor and an integrated oscillator. This device can be configured to measure an external signal (from combinations of 16 analogue input channels operating in single- ended or differential modes) or its internal temperature sensor. The integrated temperature sensor offers 1/30th°C resolution and 2°C absolute accuracy. Any combination of single-ended or differential inputs can be selected and the first conversion, after a new channel is selected, is valid.
  • Up to eight differential or 16 single-ended inputs
  • Easy Drive™ technology enables rail-to-rail inputs with zero differential input current
  • Directly digitizes high impedance sensors with full accuracy
  • 2-wire I²C interface with 27 addresses plus one global address for synchronization
  • 600nVRMS Noise
  • Integrated high accuracy temperature sensor
  • GND to VCC Input/reference common mode range
  • Programmable 50, 60Hz or simultaneous 50/60Hz rejection mode
  • 2ppm INL, no missing codes
  • 1ppm offset and 15ppm full-scale error
  • 2x Speed/reduced power mode (15Hz using internal oscillator and 80µA at 7.5Hz output)
  • No latency, digital filter settles in a single cycle even after a new channel is selected
  • Internal oscillator

Applications

Sensing & Instrumentation, Test & Measurement, Industrial, Automation & Process Control

Product Information

:
24bit
:
7.5SPS
:
Single
:
2.7V
:
5.5V
:
QFN
:
38Pins
:
Differential, Single Ended
:
2 Wire, Serial
:
0°C
:
70°C
:
16 Channel 24-Bit Sigma-Delta ADCs
:
-
:
Yes
:
MSL 1 - Unlimited
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