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SP8538 - Micropower Sampling 12-Bit A/D Converter

Description

The SP8538 is a very low power 12-Bit data acquisition chip.

The SP8538 typically draws 250µA of supply current when sampling at 25 kHz.

Supply current drops linearly as the sample rate is reduced.

Features

  • Two program bits, which are shifted into the device prior to conversion, determine the input configuration. In the single ended MUX configuration the input signal will be applied to either channel 0 or channel 1 and will be ground referenced. The maximum full scale range is VCC. In the full differential mode, the signal will be applied between channel 0 and channel 1. The signals applied at each input may both be dynamic. This is in contrast with pseudo differential devices which must have input.

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Datasheet Details

Part number SP8538
Manufacturer Sipex
File Size 305.42 KB
Description Micropower Sampling 12-Bit A/D Converter
Datasheet download datasheet SP8538 Datasheet

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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.

View original datasheet text
SP8538 SIGNAL PROCESSING EXCELLENCE Micropower Sampling 12-Bit A/D Converter s s s s s s s s s s s Low Cost 12-Bit Serial Sampling ADC Guaranteed +1.0 LSB Max INL Guaranteed No Missing Codes 8-Pin NSOIC Plastic Package Low Power @ 250µA including Automatic Shutdown: 1nA(typ) Programmable Input Configuration: Full differential or 2 channel single-ended Single Supply 3.0V to 5.5V operation Half Duplex Digital Serial Interface Sample Rate: 40µS Pin Compatible Upgrade to LTC 1298 DESCRIPTION The SP8538 is a very low power 12-Bit data acquisition chip. The SP8538 typically draws 250µA of supply current when sampling at 25 kHz. Supply current drops linearly as the sample rate is reduced. The ADC automatically powers down when not performing conversions, drawing only leakage current.
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