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MAX1281 - Serial 12-Bit ADCs

General Description

The MAX1280/MAX1281 12-bit ADCs combine an 8-channel analog-input multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption.

The MAX1280 operates from a single +4.5V to +5.5V supply; the MAX1281 operates from a single +2.7V to +3.6V supply.

Key Features

  • 8-Channel Single-Ended or 4-Channel Pseudo-Differential Inputs.
  • Internal Multiplexer and Track/Hold.
  • Single-Supply Operation +4.5V to +5.5V (MAX1280) +2.7V to +3.6V (MAX1281).
  • Internal +2.5V Reference.
  • 400ksps Sampling Rate (MAX1280).
  • Low Power 2.5mA (400ksps) 1.3mA (Reduced-Power Mode) 0.9mA (Fast Power-Down Mode) 2µA (Full Power-Down).
  • SPI/QSPI/.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX128 12-Bit DAS
MAX1280 Serial 12-Bit ADCs
MAX1284 Serial 12-Bit ADCs
MAX1285 Serial 12-Bit ADCs
MAX120 500ksps / 12-Bit ADCs

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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19-1684; Rev 2; 10/10 EVAALVUAAILTAIOBNLEKIT 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference MAX1280/MAX1281 General Description The MAX1280/MAX1281 12-bit ADCs combine an 8-channel analog-input multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. The MAX1280 operates from a single +4.5V to +5.5V supply; the MAX1281 operates from a single +2.7V to +3.6V supply. Both devices’ analog inputs are software configurable for unipolar/bipolar and singleended/pseudo-differential operation. The 4-wire serial interface connects directly to SPI™/QSPI™/MICROWIRE™ devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors.