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AD7746ARUZ - 

Analogue to Digital Converter, 24 bit, 90 SPS, Differential, Single Ended, 2 Wire, I2C, Serial

AD7746ARUZ - Analogue to Digital Converter, 24 bit, 90 SPS, Differential, Single Ended, 2 Wire, I2C, Serial
AD7746ARUZ - Analogue to Digital Converter, 24 bit, 90 SPS, Differential, Single Ended, 2 Wire, I2C, Serial

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Manufacturer Part No:
AD7746ARUZ
Order Code:
1078332
Product Range
AD7746 Series
Technical Datasheet:
AD7746ARUZ   Datasheet
See all Technical Docs

Product Overview

The AD7746ARUZ is a 2-channel 24-bit High Resolution Capacitance to Digital Converter with temperature sensor. The capacitance to be measured is connected directly to the device inputs. The architecture features inherent high resolution (24-bit no missing codes, up to 21-bit effective resolution). Each channel can be configured as single-ended or differential. The Σ-Δ capacitance to digital converter (CDC) is designed for floating capacitive sensors. The parts have an on-chip temperature sensor with a resolution of 0.1°C and accuracy of ±2°C. The on-chip voltage reference and the on-chip clock generator eliminate the need for any external components in capacitive sensor applications. The parts have a standard voltage input, which together with the differential reference input allows easy interface to an external temperature sensor, such as an RTD, thermistor or diode. The AD7745 has a 2-wire I²C-compatible serial interface.
  • New standard in single chip solutions
  • Interfaces to single or differential floating sensors
  • 4fF Accuracy
  • 0.01% Linearity
  • Common-mode (not changing) capacitance up to 17pF
  • Tolerant of parasitic capacitance to ground up to 60pF
  • Simultaneous 50 and 60Hz rejection at 16Hz
  • Temperature sensor on-chip
  • Internal clock oscillator
  • 0.7mA Current consumption

Applications

Automotive, Industrial, Medical, Test & Measurement, Sensing & Instrumentation

Warnings

ESD sensitive device, take proper precaution while handling the device.

Product Information


:
24bit

:
90SPS

:
Differential, Single Ended

:
2 Wire, I2C, Serial

:
Single

:
2.7V

:
5.25V

:
TSSOP

:
16Pins

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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