MAX121CWE - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX121CWE

Manufacturer

Analog Devices

Introduction

High-precision 14-bit Analog to Digital Converter for data acquisition systems.

Product Features and Performance

14-bit resolution

308k samples per second rate

Single-ended input

SPI data interface

Sample-and-Hold to ADC ratio of 1:1

One A/D converter on-chip

Successive Approximation Register (SAR) architecture

External and internal reference voltage options

Supports analog supply voltage between -10.8V and 15.75V

Supports digital supply voltage of 5V

Product Advantages

High-resolution conversion for accurate measurements

Fast sampling rate for dynamic applications

Flexibility with external and internal reference choices

Key Technical Parameters

Number of Bits: 14

Sampling Rate: 308k SPS

Number of Inputs: 1

Input Type: Single Ended

Data Interface: SPI

Architecture: SAR

Reference Type: External, Internal

Voltage - Supply, Analog: 5V, -10.8V to 15.75V

Voltage - Supply, Digital: 5V

Operating Temperature: 0°C to 70°C

Quality and Safety Features

Robust SOIC package for surface mount applications

Operational within standard industrial temperature ranges

Compatibility

Compatible with systems requiring SPI interface for ADCs

Application Areas

Instrumentation, data acquisition systems, medical devices, industrial control systems

Product Lifecycle

Obsolete product status

Potential for replacement or upgrade options

Several Key Reasons to Choose This Product

High-resolution and speed suitable for precision applications

Dual supply voltage options for system flexibility

Consistent performance through standard temperature ranges

SAR architecture known for reliable and stable data conversion

Direct SPI interface for easy integration into digital systems