General Description

The MAX1242/MAX1243 are low-power, 10-bit analog-to-digital converters (ADCs) available in 8-pin packages. They operate with a single +2.7V to +5.25V supply and feature a 7.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed, 3-wire serial interface.

Features

♦ +2.7V to +5.25V Single-Supply Operation

♦ 10-Bit Resolution

♦ Internal 2.5V Reference (MAX1242)

♦ Small Footprint: 8-Pin DIP and SO Packages

♦ Low Power: 3.7mW (73ksps, MAX1242)

3mW (73ksps, MAX1243)

66µW (1ksps, MAX1243)

5µW (Power-Down Mode)

♦ Internal Track/Hold

♦ SPI/QSPI™/MICROWIRE® 3-Wire Serial Interface

♦ Pin-Compatible 12-Bit Upgrades: MAX1240/MAX1241

Applications

Portable Data Logging

Process Control Monitoring

Test Equipment

Temperature Measurement

Isolated Data Acquisition