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MAX11156 - SAR ADC

General Description

The MAX11156 18-bit, 500ksps, SAR ADC offers excellent AC and DC performance with true bipolar input range, small size, and internal reference.

The MAX11156 measures a ±5V (10VP-P) input range while operating from a single 5V supply.

Key Features

  • High DC/AC Accuracy Improves Measurementuality.
  • 18-Bit Resolution with No Missing Codes.
  • 500ksps Throughput Rate Without Pipeline Delay/ Latency.
  • 94.6dB SNR and -101.4dB THD at 10kHz.
  • 1.6 LSBRMS Transition Noise.
  • ±0.5 LSB DNL (typ) and ±2.8 LSB INL (typ).
  • Highly Integrated ADC Saves Cost and Space.
  • 6ppm/°C (typ) Internal Reference.
  • Internal Reference Buffer.
  • ±5V Bipolar Analog Input Range.
  • Wide Supply Range a.

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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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EVALUATION KIT AVAILABLE MAX11156 18-Bit, 500ksps, ±5V SAR ADC with Internal Reference in TDFN General Description The MAX11156 18-bit, 500ksps, SAR ADC offers excellent AC and DC performance with true bipolar input range, small size, and internal reference. The MAX11156 measures a ±5V (10VP-P) input range while operating from a single 5V supply. A patented charge-pump architecture allows direct sampling of high-impedance sources. The MAX11156 integrates an optional internal reference and buffer, saving additional cost and space. This ADC achieves 94.6dB SNR and -101.4dB THD (typ). The MAX11156 guarantees 18-bit no-missing codes and ±2.8 LSB INL (typ). The MAX11156 communicates using an SPI-compatible serial interface at 2.5V, 3V, 3.3V, or 5V logic.