AD7292

NOT RECOMMENDED FOR NEW DESIGNS

AD7292

10-Bit Monitor & Control System with ADC, DACs, Temperature Sensor and GPIOs

NOT RECOMMENDED FOR NEW DESIGNS

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Features

10-bit SAR ADC
-- 8 Multiplexed Analog Input Channels
-- Single-ended mode of operation
-- Differential mode of operation
-- 5 V analog input range
-- V_REF, 2 × V_REF, or 4 × V_REF input ranges
4 monotonic, 10-bit, 5 V DACs
-- 2µs settling time
-- Power-on reset to 0 V
-- 10 mA sink and source capability

Internal temperature sensor
-- ±1°C accuracy
12 general-purpose Digital I/O pins
Internal 1.25 V reference
Built-in monitoring features
-- Minimum and maximum value register for each channel
-- Programmable alert thresholds
-- Programmable hysteresis
See data sheet for additional features

Additional Details

The AD7292 contains all the functionality required for general-purpose monitoring of analog signals and control of external devices, integrated into a single-chip solution. The AD7292 features an 8-channel, 10-bit SAR ADC, four 10-bit DACs, a ±1°C accurate internal temperature sensor, and 12 GPIOs to aid system monitoring and control.

The 10-bit, high speed, low power successive approximation register (SAR) ADC is designed to monitor a variety of single-ended input signals. Differential operation is also available by configuring VIN0 and VIN1 to operate as a differential pair.

The AD7292 offers a register programmable ADC sequencer, which enables the selection of a programmable sequence of channels for conversion.

Four 10-bit digital-to-analog converters (DACs) provide outputs from 0 V to 5 V. An internal, high accuracy, 1.25 V reference provides a separately buffered reference source for both the ADC and the DACs.

A high accuracy band gap temperature sensor is monitored and digitized by the 10-bit ADC to give a resolution of 0.03125°C. The AD7292 also features built-in limit and alarm functions.

The AD7292 is a highly integrated solution offered in a 36-lead LFCSP package with an operating temperature range of −40°C to +125°C.

APPLICATIONS

Base Station Power Amplifier (PA) Monitoring and Control
RF Control Loops
Optical Communication System Control
General-Purpose System Monitoring and Control

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Technical Documents 4

AD7292: 10-Bit Monitor and Control System with ADC, DACs, Temperature Sensor, and GPIOs Data Sheet (Rev.A) 10/01/2012

UG-449: Evaluating the AD7292 10-Bit Monitor and Control System 10/26/2012

AN-1178: AD7292 DAC Disable Function Timing 08/21/2024

EVAL-AD7292SDZ Design and integration files 10/12/2012

Reference Materials 1

AD7292 GitHub Driver Source Code 08/18/2024

Software 1

AD7292 GitHub Driver Source Code NEW

View Evaluation Software

Companion Parts 17

Parts	Product Life Cycle	Description
High Voltage Op Amps ≥12V4
ADA4077-2	RECOMMENDED FOR NEW DESIGNS	4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision Dual Amplifier
ADA4000-2	PRODUCTION	Dual, Low Cost, Precision JFET Input Operational Amplifier
AD8022	PRODUCTION	Dual High Speed, Low Noise Op Amp
ADA4899-1	PRODUCTION	Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp
Low Input Bias Current Op Amps (≤100 pA)2
ADA4627-1	PRODUCTION	36 V, 19 MHz, Low Noise, Low Bias Current, JFET Op Amp
ADA4610-2	RECOMMENDED FOR NEW DESIGNS	Low Noise, Precision, Rail-to-Rail Output, JFET Dual Op Amp
Low Noise Op Amps (≤ 10nV/√Hz)1
ADA4897-1	RECOMMENDED FOR NEW DESIGNS	1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers
Precision Op Amps (Vos ≤1mV & TCVos ≤2uV/C)2
OP177	PRODUCTION	Ultraprecision Operational Amplifier
ADA4841-1	PRODUCTION	Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
Series Voltage References3
ADR435	PRODUCTION	Ultralow Noise XFET^® Voltage References with Current Sink and Source Capability
ADR4550	PRODUCTION	Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference
ADR445	PRODUCTION	Ultralow Noise, LDO XFET^® 5.0V Voltage Reference w/Current Sink and Source
Single-Ended to Differential Amplifiers1
ADA4932-1	RECOMMENDED FOR NEW DESIGNS	Low Power Differential ADC Driver
Standard Digital Isolators4
ADUM4401	PRODUCTION	5 kV RMS Quad-Channel Digital Isolators
ADUM1401	PRODUCTION	Quad-Channel Digital Isolator (3/1 Channel Directionality)
ADUM3401	PRODUCTION	Quad-Channel, Digital Isolator, Enhanced System-Level ESD Reliability
ADUM3481	PRODUCTION	Small, 3.75 kV RMS Quad Digital Isolators (3/1 Channel Directionality)

Evaluation Software 1

zip AD7292 Evaluation Software

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EVAL-AD7292

AD7292 Evaluation Board

EVAL-AD7292

AD7292 Evaluation Board

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Product Detail

The EVAL-AD7292SDZ is a fully featured evaluation kit for the AD7292. This board operates in stand alone mode or in conjunction with the System Development Platform, EVAL-SDP-CB1Z . When operated with the System Development Platform software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the System Development Platform . When operated in standalone mode the ADZS-BRKOUT-EX3 break out board is recommended for access to various control pins.

Resources

pdf

UG-449: Evaluating the AD7292 10-Bit Monitor and Control System