AD7713ARZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7713ARZ - Analog Devices

Features

  • feature
    Charge Balancing ADC 24 Bits No Missing Codes u2d1e0.0015% Nonlinearity 3-Channel Programmable Gain Front End Gains from 1 to 128 2 Differential Inputs 1 Single-Ended High Voltage Input Low-Pass Filter with Programmable Filter Cutoffs Ability to Read/Write Calibration Coefficients Bidirectional Microcontroller Serial Interface Single-Supply Operation Low Power (3.5 mW typ) with Power-Down Mode (150 u242eW typ)

Description

IC 24BIT ADC S-D SIGNAL COND SMD

The AD7713 is a complete analog front end for low frequency measurement applications. The device accepts low level signals directly from a transducer or high level signals (4 ⫻ VREF) and outputs a serial digital word. It employs ⌺-⌬ conversion technique to realize up to 24 bits of no missing codes performance. The input signal is applied to a proprietary pro- grammable gain front end based around an analog modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via the on-chip control register, allowing adjustment of the filter cutoff and settling time. The part features two differential analog inputs and one single- ended high level analog input as well as a differential reference input. It can be operated from a single supply (AVDD and DVDD at 5 V). The part provides two current sources that can be used to provide excitation in 3-wire and 4-wire RTD configurations. The AD7713 thus performs all signal conditioning and conver- sion for a single-, dual- or three-channel system. The AD7713 is ideal for use in smart, microcontroller-based systems. Gain settings, signal polarity, and RTD current control can be configured in software using the bidirectional serial port. The AD7713 contains self-calibration, system calibration, and background calibration options and also allows the user to read and to write the on-chip calibration registers.

Specifications

Resolution (Bits):
24bit
Sampling Rate:
3.9kSPS
Input Channel Type:
Differential Single Ended
Data Interface:
Serial
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
10V
ADC / DAC Case Style:
SOIC
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Triple 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7713
IC Case Style:
SOIC
No. of Channels:
3Channels
Operating Temperature Range:
-40°C to +85°C
Supply Current:
700µA
Supply Voltage Range:
4.75V to 5.25V 5V to 10V
Supply Voltage Range - Analogue:
5V to 10V
Supply Voltage Range - Digital:
4.75V to 5.25V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
ADC Single Delta-Sigma 3.9KSPS 24-Bit
Richardson RFPD
CONVERTER - ADC
RS Components UK
ADC Single Delta-Sigma 3.9KSPS 24-Bit