General Description

The MAX1282/MAX1283 12-bit analog-to-digital converters (ADCs) combine a 4-channel analog-input multiplexer, high-bandwidth track/hold (T/H), and serial interface with high conversion speed and low power consumption. The MAX1282 operates from a single +4.5V to +5.5V supply; the MAX1283 operates from a single +2.7V to +3.6V supply. Both devices’ analog inputs are software configurable for unipolar/bipolar and single-ended/pseudo-differential operation.

Features

♦ 4-Channel Single-Ended or 2-Channel

Pseudo-Differential Inputs

♦ Internal Multiplexer and Track/Hold

♦ Single-Supply Operation

+4.5V to +5.5V (MAX1282)

+2.7V to +3.6V (MAX1283)

♦ Internal +2.5V Reference

♦ 400kHz Sampling Rate (MAX1282)

♦ Low Power:

2.5mA (400ksps)

1.3mA (REDP)

0.9mA (FASTPD)

2µA (FULLPD)

♦ SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire

Serial Interface

♦ Software-Configurable Unipolar or Bipolar Inputs

♦ 16-Pin TSSOP Package

Applications

Portable Data Logging

Data Acquisition

Medical Instruments

Battery-Powered Instruments

Pen Digitizers

Process Control