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MAX1253 - 12-Bit System Monitors

General Description

The MAX1253/MAX1254 are stand-alone, 10-channel (8 external, 2 internal) 12-bit system monitor ADCs with internal reference.

A programmable single-ended/differential mux accepts voltage and remote-diode temperature-sensor inputs.

Key Features

  • o Monitor 10 Signals Without Processor Intervention o Eight External Channels Programmable as Temperature or Voltage Monitors o Intelligent Circuitry for Reliable Autonomous Measurement Programmable Digital Averaging Filter Programmable Fault Counter o Precision Measurements 12-Bit Resolution ±1 LSB INL, ±1 LSB DNL ±0.75°C Temperature Accuracy (typ) o Flexible Automatic Channel Scan Sequencer with Programmable Intervals Programmable Inputs: Single Ended/Differential, Voltage/Temperature Programm.

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Part Number Description
MAX125 2x4-Channel / Simultaneous-Sampling 14-Bit DAS
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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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19-2838; Rev 0; 4/03 Stand-Alone, 10-Channel, 12-Bit System Monitors with Internal Temperature Sensor and VDD Monitor General Description The MAX1253/MAX1254 are stand-alone, 10-channel (8 external, 2 internal) 12-bit system monitor ADCs with internal reference. A programmable single-ended/differential mux accepts voltage and remote-diode temperature-sensor inputs. These devices independently monitor the input channels without microprocessor interaction and generate an interrupt when any variable exceeds user-defined limits. The MAX1253/MAX1254 configure both high and low limits, as well as the number of fault cycles allowed, before generating an interrupt. These ADCs can also perform recursive data averaging for noise reduction.