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MAX1231 - 12-Bit 300ksps ADCs

General Description

The MAX1227/MAX1229/MAX1231 are serial 12-bit analog-to-digital converters (ADCs) with an internal reference and an internal temperature sensor.

These devices feature an on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™.

Key Features

  • o Internal Temperature Sensor (±0.7°C Accuracy) o 16-Entry First-In/First-Out (FIFO) o Analog Multiplexer with True Differential Track/Hold 16-, 12-, 8-Channel Single Ended 8-, 6-, 4-Channel True Differential (Unipolar or Bipolar) o Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing Codes Overtemperature o Scan Mode, Internal Averaging, and Internal Clock o Low-Power Single +3V Operation 1mA at 300ksps o Internal 2.5V Reference or External Differential Reference o 10MHz 3-Wire SPI-/QSPI-/.

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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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19-2851; Rev 7; 4/12 EVAALVUAAILTAIOBNLEKIT 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference MAX1227/MAX1229/MAX1231 General Description The MAX1227/MAX1229/MAX1231 are serial 12-bit analog-to-digital converters (ADCs) with an internal reference and an internal temperature sensor. These devices feature an on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™. The maximum sampling rate is 300ksps using an external clock. The MAX1231 has 16 input channels, the MAX1229 has 12 input channels, and the MAX1227 has 8 input channels. All input channels are configurable for single-ended or differential inputs in unipolar or bipolar mode. All three devices operate from a +3V supply and contain a 10MHz SPI™-/QSPI™-/MICROWIRE™-compatible serial port.