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MAX1257 - Multichannel ADCs/DACs

This page provides the datasheet information for the MAX1257, a member of the MAX1220 Multichannel ADCs/DACs family.

Description

The MAX1220

MAX1223/MAX1257/MAX1258 integrate a 12-bit, multichannel, analog-to-digital converter (ADC), and a 12-bit, octal, digital-to-analog converter (DAC) in a single IC.

Features

  • such as an internal ±1°C accurate temperature sensor, FIFO, scan modes, programmable internal or external clock modes, data averaging, and AutoShutdown™ allow users to minimize power consumption and processor requirements. The low glitch energy (4nV.
  • s) and low digital feedthrough (0.5nV.
  • s) of the integrated octal DACs make these devices ideal for digital control of fast-response closed-loop systems. The devices are guaranteed to operate with a supply voltage from +2.7V to +3.6V (.

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Datasheet preview – MAX1257

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Full PDF Text Transcription

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19-3295; Rev 2; 8/04 KIT ATION EVALU E L B A AVAIL 12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports General Description The MAX1220–MAX1223/MAX1257/MAX1258 integrate a 12-bit, multichannel, analog-to-digital converter (ADC), and a 12-bit, octal, digital-to-analog converter (DAC) in a single IC. These devices also include a temperature sensor and configurable general-purpose I/O ports (GPIOs) with a 25MHz SPI™-/QSPI™-/MICROWIRE™-compatible serial interface. The ADC is available in 8/12/16 inputchannel versions. The octal DAC outputs settle within 2.0µs and the ADC has a 300ksps conversion rate. All devices include an internal reference (2.5V or 4.096V) for both the ADC and DAC. Programmable refwww.DataSheet4U.
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