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LTC1285 - 3V Micropower Sampling 12-Bit A/D Converters

General 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.

Key Features

  • s s s s s s s s s s s s s 12-Bit Resolution 8-Pin SO Plastic Package Low Cost Low Supply Current: 160µA Typ Auto Shutdown to 1nA Typ Guaranteed ± 3/4LSB Max DNL Single Supply 3V to 6V Operation Differential Inputs (LTC1285) 2-Channel MUX (LTC1288) On-Chip Sample-and-Hold 100µs Conversion Time Sampling Rates: 7.5ksps (LTC1285) 6.6ksps (LTC1288) I/O Compatible with SPI, Microwire, etc.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC1285/LTC1288 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages 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. They are packaged in 8-pin SO packages and operate on 3V to 6V supplies. These 12-bit, switchedcapacitor, successive approximation ADCs include sample-and-holds. The LTC1285 has a single differential analog input. The LTC1288 offers a software selectable 2-channel MUX. On-chip serial ports allow efficient data transfer to a wide range of microprocessors and microcontrollers over three wires.