ADS7844EG4 - Texas Instruments

Manufacturer Part Number

ADS7844EG4

Manufacturer

Texas Instruments

Introduction

The ADS7844EG4 is a high-performance, 12-bit analog to digital converter (ADC) featuring multiple input channels and a SPI data interface.

Product Features and Performance

12-bit resolution

Sampling rate up to 200k per second

Supports 4 or 8 input channels

Input type includes both differential and single-ended options

Uses SPI interface for data communication

Based on Successive Approximation Register (SAR) architecture

Operates with an external reference voltage

Product Advantages

High-resolution data conversion

Flexible input configurations to accommodate various signal sources

Efficient data communication through SPI interface

Compact 20-SSOP package suitable for space-constrained applications

Supports a wide operating temperature range from -40°C to 85°C

Key Technical Parameters

Number of Bits: 12

Sampling Rate (Per Second): 200k

Number of Inputs: 4, 8

Input Type: Differential, Single Ended

Data Interface: SPI

Architecture: SAR

Voltage - Supply, Analog: 2.7V ~ 3.6V, 5V

Voltage - Supply, Digital: 2.7V ~ 3.6V, 5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Operates reliably in extreme temperatures

Designed for robust handling with a solid-state, surface-mount package

Compatibility

Compatible with systems requiring SPI interface for ADC

Works with a range of supply voltages for flexibility in various application setups

Application Areas

Industrial automation

Medical electronics

Data logging systems

Battery-powered devices

Product Lifecycle

Discontinued at Digi-Key

Current models might be available from other suppliers or newer alternatives could be considered

Several Key Reasons to Choose This Product

High-resolution ADC enhances precision in applications

Rapid sampling rate facilitates real-time data processing

Flexible input arrangement provides adaptability for multiple signal types

Energy-efficient design suitable for low-power applications

Robust operating temperature range ensures performance in harsh environments