A/D Converters for Demanding Low Power Requirements

austriamicrosystems has added the AS1528 10-bit, low power, single-channel, fully-differential A/D converter and the AS1529 dual-channel, single-ended, low power A/D converter to its micro-power A/D converter family. Combining low power operation at a high sampling speed of 150 ks/s, with good dynamic performance in a small 3 × 3 mm TDFN 8-pin package, the AS1528/29 family is an optimal solution for small battery-powered devices and portable data acquisition systems such as remote sensors or pen digitizers with tough space requirements. The 10-bit AS1528/29 consumes less than 350 µA (3 V) at the 150 ks/s maximum sampling rate. The advanced automatic shutdown feature places the device into sleep mode between conversions, significantly reducing power consumption at lower sampling speeds.

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