General Description

The MAX1248/MAX1249 10-bit data-acquisition systems combine a 4-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. They operate from a single +2.7V to +5.25V supply, and their analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation.

Features

♦ 4-Channel Single-Ended or 2-Channel Differential Inputs

♦ Single +2.7V to +5.25V Operation

♦ Internal 2.5V Reference (MAX1248)

♦ Low Power: 1.2mA (133ksps, +3V supply)

54µA (1ksps, +3V supply)

1µA (power-down mode)

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

♦ Software-Configurable Unipolar or Bipolar Inputs

♦ 16-Pin QSOP Package (same area as 8-pin SO)