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AD7734BRUZ Converter: CAD Models, Datasheet, Features [Video&FAQ]

Author: Lydia
Date: 3 Aug 2022


Product Overview

AD7734BRUZ Related Video Introduction

AD7734BRUZ CAD Models

AD7734BRUZ Block Diagram

AD7734BRUZ Features

AD7734BRUZ Applications

AD7734BRUZ Datasheet

AD7734BRUZ Specifications

AD7734BRUZ Manufacturer

Using Warning


Product Overview

The AD7734 is a high precision, high throughput analog front end. True 16-bit p-p resolution is achievable with a total conversion time of 500 μs (2 kHz channel switching), making it ideally suitable for high resolution multiplexing applications.


The device can be configured via a simple digital interface, which allows users to balance the noise performance against data throughput up to 15.4 kHz.


The analog front end features four single-ended input channels with unipolar or true bipolar input ranges to ±10 while operating from a single +5 V analog supply. The device has an overrange and underrange detection capability and accepts an analog input overvoltage to ±16.5 V without degrading the performance of the adjacent channels.


The differential reference input features “No-Reference” detect capability. The ADC also supports per channel system calibration options. The digital serial interface can be configured for 3-wire operation and is compatible with microcontrollers and digital signal processors. All interface inputs are Schmitt triggered.


The device is specified for operation over the extended industrial temperature range of –40°C to +105°C.


Other devices in the AD7734 family are the AD7732 and the AD7738.


The AD7732 is similar to the AD7734, but its analog front end features two fully differential input channels.


The AD7738 analog front end is configurable for four fully differential or eight single-ended input channels, features 0.625 V to 2.5 V bipolar/unipolar input ranges, and accepts a common-mode input voltage from 200 mV to AVDD – 300 mV.


The AD7738 multiplexer output is pinned out externally, allowing the user to implement programmable gain or signal conditioning before being applied to the ADC.


AD7734BRUZ Video Description: In this episode of Electronic Basics I will tell you about the most important specifications of an ADC, how an approximate successive ADC works and why it is difficult to build one by yourself.


AD7734BRUZ CAD Models

AD7734BRUZ PCB Symbol

Figure: AD7734BRUZ PCB Symbol



 AD7734BRUZ Footprint

Figure: AD7734BRUZ Footprint



 AD7734BRUZ 3D Models

Figure: AD7734BRUZ 3D Models


AD7734BRUZ Block Diagram

AD7734BRUZ Block Diagram

Figure: AD7734BRUZ Block Diagram


AD7734BRUZ Features

High resolution analog-to-digital converter (ADC)

24 bits no missing codes

±0.0025% nonlinearity

Optimized for fast channel switching

18-bit p-p resolution (21 bits effective) at 500 Hz

16-bit p-p resolution (19 bits effective) at 2 kHz

14-bit p-p resolution (18 bits effective) at 15 kHz

On-chip per channel system calibration

4 single-ended analog inputs

Input ranges +5 V, ±5 V, +10 V, ±10 V

Overvoltage tolerant

Up to ±16.5 V not affecting adjacent channel

Up to ±50 V absolute maximum

3-wire serial interface

SPI, QSPI™, MICROWIRE, and DSP compatible

Schmitt trigger on logic inputs

Single-supply operation

5 V analog supply

3 V or 5 V digital supply

Package: 28-lead TSSOP


AD7734BRUZ Applications


Multiplexing applications

Process control

Industrial instrumentation


AD7734BRUZ Datasheet

You can download the datasheet from the link given below:

AD7734BRUZ Datasheet


AD7734BRUZ Specifications

Type Description
Category Integrated Circuits (ICs)
Data Acquisition - Analog to Digital Converters (ADC)
Mfr Analog Devices Inc.
Package Tube
Product Status Active
Number of Bits 24
Sampling Rate (Per Second) 15.4k
Number of Inputs 4
Input Type Single Ended
Data Interface SPI, DSP
Configuration MUX-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 2.7V ~ 3.6V, 5V
Features True Bipolar
Operating Temperature -40°C ~ 105°C
Package / Case 28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 28-TSSOP
Mounting Type Surface Mount
Base Product Number AD7734


AD7734BRUZ Manufacturer

Analog Devices (NASDAQ: ADI) is a world leader in the design, manufacture, and marketing of a broad portfolio of high performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs) used in virtually all types of electronic equipment. Since their inception in 1965, they have focused on solving the engineering challenges associated with signal processing in electronic equipment. Used by over 100,000 customers worldwide, their signal processing products play a fundamental role in converting, conditioning, and processing real-world phenomena such as temperature, pressure, sound, light, speed, and motion into electrical signals to be used in a wide array of electronic devices.


Using Warning

Note: Please check their parameters and pin configuration before replacing them in your circuit.



What does an analog to digital converter do?

An analog-to-digital converter (ADC) is used to convert an analog signal such as voltage to a digital form so that it can be read and processed by a microcontroller. Most microcontrollers nowadays have built-in ADC converters. It is also possible to connect an external ADC converter to any type of microcontroller.


What is an analog convertor?

Analogue to Digital Converter, or ADC, is a data converter which allows digital circuits to interface with the real world by encoding an analogue signal into a binary code.


How do you convert analogue to digital voltage?

The value is obtained by dividing the sampled analog input voltage by the reference voltage and them multiplying by the number of digital codes. The resolution of converter is set by the number of binary bits in the output code.


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