MAX1281BEUP+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1281BEUP+

Manufacturer

Analog Devices

Introduction

High precision 12-bit Analog to Digital Converter with multi-channel inputs

Product Features and Performance

12-bit resolution for precise data conversion

Sampling rate of 300k SPS for fast data acquisition

Selectable 4 or 8 input channels for versatile measurement options

Pseudo-Differential and Single-Ended input types

Support for SPI Data Interface for easy digital integration

Multiplexed Sample and Hold (MUX-S/H-ADC) reduces hardware complexity

Single ADC with a 1:1 Sample/Hold ratio

SAR architecture for reliable and predictable performance

External and Internal reference voltage options offer design flexibility

Analog supply voltage range of 2.7V to 3.6V

Digital supply voltage identical to Analog for simplified power design

Product Advantages

Maintains consistent performance across 4 to 8 channels

Efficient SPI communication reduces microcontroller overhead

Accommodates diverse applications with dual reference types

Low voltage operation suitable for portable and battery-operated devices

High-temperature tolerance for industrial environments

Key Technical Parameters

Number of Bits: 12

Sampling Rate (Per Second): 300k

Number of Inputs: 4, 8

Input Type: Pseudo-Differential, Single Ended

Data Interface: SPI

Configuration: MUX-S/H-ADC

Ratio - S/H:ADC: 1:1

Number of A/D Converters: 1

Architecture: SAR

Reference Type: External, Internal

Voltage - Supply, Analog: 2.7V ~ 3.6V

Voltage - Supply, Digital: 2.7V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Extended operating temperature range for reliability in harsh conditions

SAR architecture known for stability and accuracy

Compatibility

SPI interface for compatibility with a broad range of microcontrollers and processors

20-TSSOP package compatible with standard surface mount technology

Application Areas

Industrial control systems

Medical instrumentation

Battery-powered devices

Data logging systems

Telecommunications

Product Lifecycle

Active product status with no indication nearing discontinuation

Check with the manufacturer or datasheets for replacements or upgrades

Several Key Reasons to Choose This Product

The 12-bit resolution for higher accuracy in measurements

300k samples per second ideal for both slow and fast signal capture

Flexibility with 4 or 8 channel input for various application scenarios

SAR architecture ensures low-latency and high-throughput data conversion

Dual supply voltage levels simplify power supply design

Rugged design suitable for industrial applications with wide temperature tolerance

Ease of use through SPI, compatible with most modern systems

Compact 20-TSSOP package for space-sensitive applications