DESCRIPTION
The LTC®1285/LTC1288 are 3V micropower, 12-bit, successive approximation sampling A/D converters. They typically draw only 160µA of supply current when converting and automatically power down to a typical supply current of 1nA whenever they are not performing conversions.
FEATURES
â 12-Bit Resolution
â 8-Pin SO Plastic Package
â Low Cost
â Low Supply Current: 160µA Typ
â Auto Shutdown to 1nA Typ
â Guaranteed ±3/4LSB Max DNL
â Single Supply 3V to 6V Operation
â Differential Inputs (LTC1285)
â 2-Channel MUX (LTC1288)
â On-Chip Sample-and-Hold
â 100µs Conversion Time
â Sampling Rates:
7.5ksps (LTC1285)
6.6ksps (LTC1288)
â I/O Compatible with SPI, Microwire, etc.
APPLICATIONS
â Pen Screen Digitizing
â Battery-Operated Systems
â Remote Data Acquisition
â Isolated Data Acquisition
â Battery Monitoring
â Temperature Measurement
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