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LINEAR TECHNOLOGY  LTC2498IUHF#PBF  Analogue to Digital Converter, Delta Sigma, 24 bit, 7.5 SPS, Single, 2.7 V, 5.5 V, QFN

LINEAR TECHNOLOGY LTC2498IUHF#PBF
Technical Data Sheet (1.05MB) EN See all Technical Docs

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Product Overview

The LTC2498IUHF#PBF is a 16-channel 24-bit delta-sigma™ Analog-to-digital Converter (ADC) with EasyDrive™ technology. 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 rail-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy. It includes a high accuracy temperature sensor and an integrated oscillator. The integrated temperature sensor offers 1/30th °C resolution and 2°C absolute accuracy. It allows a wide common mode input range, independent of the reference voltage. Any combination of single-ended or differential inputs can be selected and the first conversion after a new channel is selected is valid. Access to the multiplexer output enables optional external amplifiers to be shared between all analog inputs and auto calibration continuously removes their associated offse
  • EasyDrive™ Technology enables rail-to-rail inputs with zero differential input current
  • Directly digitizes high impedance sensors with full accuracy
  • Integrated high accuracy temperature sensor
  • GND to VCC Input/reference common mode range
  • No latency - digital filter settles in a single cycle, even after a new channel is selected
  • Internal oscillator

 

Product Information

Resolution (Bits):
24bit
Sampling Rate:
7.5SPS
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.5V
ADC / DAC Case Style:
QFN
No. of Pins:
38Pins
Input Channel Type:
Differential, Single Ended
Data Interface:
Serial
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
16 Channel 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Sensing & Instrumentation;
  • Test & Measurement;
  • Automation & Process Control

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85235290
Weight (kg):
.000401

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