ADS7844E - Texas Instruments

Manufacturer Part Number

ADS7844E

Manufacturer

Texas Instruments

Introduction

The ADS7844E is a high-performance, 12-bit analog to digital converter (ADC) with a multiplexed sample and hold input structure.

Product Features and Performance

12-bit resolution

200K samples per second

4/8 channel multiplexed input

Differential and single-ended inputs

Serial Peripheral Interface (SPI)

Multiplexed Sample/Hold (S/H) input structure

Successive Approximation Register (SAR) architecture

External reference voltage compatible

Product Advantages

High resolution for precise data acquisition

Fast sampling rate suitable for real-time applications

Flexible input configuration for various signal sources

Low power consumption for battery-powered devices

Compatible with various microcontrollers through SPI

Key Technical Parameters

Number of Bits: 12

Sampling Rate: 200k samples per second

Number of Inputs: 4 to 8 (multiplexed)

Input Type: Differential and Single Ended

Data Interface: Serial Peripheral Interface (SPI)

Configuration: Multiplexed Sample/Hold to ADC

Number of A/D Converters: 1

Architecture: SAR

Reference Type: External

Quality and Safety Features

Extended operating temperature range of -40°C to 85°C ensuring reliability in harsh conditions

Built in a robust surface mount package (SSOP)

Compatibility

The SPI interface ensures compatibility with most microcontroller and digital systems

Application Areas

Industrial controls

Medical instruments

Data acquisition systems

Robotics

Product Lifecycle

Product Status: Active

No indication of near discontinuation, with replacements or upgrades typically available if status changes

Several Key Reasons to Choose This Product

High accuracy and resolution for precise measurement applications

Versatile input structure allowing connectivity to a wide range of sensors

Fast sampling capable of supporting demanding applications

Low voltage operation suitable for portable and battery operated devices

Texas Instruments' reputation for reliable and robust integrated circuits

High integration level reducing external component requirements and system complexity