AS1524 - austriamicrosystems AG

AS1524 1-Channel Pseudo/True-Differential and 2-Channel Single-Ended ADCs

The AS1524/AS1525 are low-power, 12-bit analog-todigital converters (ADCs) designed to operate with a single +2.7V to +5.25V supply. Excellent dynamic performance, low power consumption, and simplicity make these devices perfect for portable battery-powered dataacquisition applications. The devices are available as the standard products listed in Table 1. Ta.

Features

! ! ! Single-Supply Operation: +2.7V to +5.25V Automatic Shutdown Between Conversions Low Power Consumption - 350µA @ 150ksps - 245µA @ 100ksps - 24µA @ 10ksps - 2.5µA @ 1ksps - 200nA in Automatic Shutdown Mode ! True-Differential Track/Hold, 150kHz Sampling Rate Software-Configurable Unipolar/Bipolar Conversion (AS1524) Input Common Mode Range from GND to VDD 3-Wire SPI-/QSPI-/MICROWIRE-Compatible Serial Interface Internal Conversion Clock 8-pin TDFN (3x3mm) Package The devices feature a successive-approximation register (SAR), automatic shutdown, fast wakeup (1.4µs), and low-power consum.