http://www.maximintegrated.com/datasheet/index.mvp/id/7999
Industry’s Smallest, True Bipolar ±5V, 18-Bit ADC
MAX11156
18-Bit, 500ksps, ±5V SAR ADC with Internal Reference in TDFN
- Industry’s only 12-pin 500ksps ADC with integrated reference
- Industry’s smallest ±5V 18-bit ADC with true bipolar measurement above and below ground
- 94.6dB SNR provides excellent AC accuracy, allowing measurements over a wide dynamic range
- Industry-standard pin- and software-compatible upgrade
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