ADS7822UB - Texas Instruments

Manufacturer Part Number

ADS7822UB

Manufacturer

Texas Instruments

Introduction

High-performance 12-bit analog-to-digital converter

Product Features and Performance

12-bit resolution

Sampling rate up to 200k samples per second

Single pseudo-differential input

Serial Peripheral Interface (SPI) data output

Sample-and-Hold ADC configuration

Successive Approximation Register (SAR) architecture

Operable on both 2.7V ~ 3.6V and 5V supply for analog and digital parts

Product Advantages

Low power consumption for battery-powered applications

High-speed data acquisition

Precision data conversion

Flexible voltage requirements

Key Technical Parameters

Number of Bits: 12

Sampling Rate: 200kSPS

Number of Inputs: 1

Input Type: Pseudo-Differential

Data Interface: SPI

Configuration: S/H-ADC

Ratio - S/H:ADC: 1:1

Number of A/D Converters: 1

Architecture: SAR

Reference Type: External

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

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

Quality and Safety Features

Operational temperature range from -40°C to 85°C

Compatibility

Standard SPI interface compatible with many microcontrollers and digital systems

Application Areas

Portable instrumentation

Medical devices

Data acquisition systems

Industrial control

Battery-powered devices

Product Lifecycle

Active product not nearing discontinuation

Availability of replacements or upgrades if necessary

Several Key Reasons to Choose This Product

Precision analog-to-digital conversion capabilities

High-speed sampling facilitating real-time applications

Low power microPOWER™ series ideal for portable equipment

Wide range of operating temperatures suited for harsh environments

Easy integration with existing digital systems through SPI

Operational on dual supply voltages for system flexibility