ADS7945SRTER - Texas Instruments

Manufacturer Part Number

ADS7945SRTER

Manufacturer

Texas Instruments

Introduction

The ADS7945SRTER is a high-performance, 14-bit analog-to-digital converter (ADC) developed by Texas Instruments, primarily used in data acquisition systems.

Product Features and Performance

14-bit resolution

2 MSPS (Mega Samples Per Second) sampling rate

Dual-input channels with differential input type

SPI (Serial Peripheral Interface) data interface

MUX-S/H-ADC (Multiplexer-Sample and Hold-Analog to Digital Converter) configuration

1:1 Sample and Hold to ADC ratio

Single A/D converter

Successive Approximation Register (SAR) architecture

Product Advantages

High-resolution data conversion

Fast sampling rate for real-time processing

Robust differential input for improved noise immunity

Simple and widely adopted SPI communication

Compact size suitable for space-constrained applications

Key Technical Parameters

Number of Bits: 14

Sampling Rate: 2M samples per second

Number of Inputs: 2

Input Type: Differential

Data Interface: SPI

Reference Type: External

Voltage Supply, Analog: 2.7V to 5.25V

Voltage Supply, Digital: 1.65V to 5.25V

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Built to operate reliably in extreme temperatures

High precision and accuracy in data acquisition

Compatibility

Suitable for use with external voltage references

Compatible with various microcontrollers and DSPs via SPI

Application Areas

Industrial control systems

Medical imaging

Communications equipment

Data acquisition systems

Portable instruments

Product Lifecycle

Active product status

Not currently marked for discontinuation

Key Reasons to Choose This Product

High-speed data acquisition capability enhances system responsiveness

Versatile voltage supply ranges offer greater system design flexibility

The robust operating temperature range ensures performance in harsh environments

Compact 16-WQFN (3x3) packaging conserves board space

Texas Instruments' reputation for high-quality and reliable components