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ADS8284 - Pseudo-Bipolar Differential SAR ADC

General Description

The ADS8284 is a high-performance analog systemon-chip (SoC) device with an 18-bit, 1-MSPS A/D converter, 4-V internal reference, an on-chip ADC driver (OPA), and a 4-channel differential multiplexer.

The channel count of the multiplexer and auto/manual scan modes of the device are user selectable.

Key Features

  • 1 1.0-MHz Sample Rate, Zero Latency at Full Speed.
  • 18-Bit Resolution.
  • Supports Pseudo-Bipolar Differential Input Range: -4 V to +4 V with 2-V Common-Mode.
  • Built-In Four Channel, Differential Ended Multiplexer; with Channel Count Selection and Auto/Manual Mode.
  • On-Board Differential ADC Driver (OPA).
  • Buffered Reference Output to Level Shift Bipolar ±4-V Input with External Resistance Divider.
  • Reference/2 Output to Set Common-Mode for.

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Other Datasheets by Texas Instruments

Part Number Description
ADS820 ANALOG-TO-DIGITAL CONVERTER
ADS8201 8-Channel Data Acquisition System
ADS8254 PSEUDO-BIPOLAR DIFFERENTIAL SAR ADC
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ADS8166 8-Channel 16-Bit 1-MSPS SAR ADC

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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Not Recommended for New Designs ADS8284 SLAS628A – MARCH 2009 – REVISED APRIL 2014 ADS8284 18-BIT, 1-MSPS, Pseudo-Bipolar Differential SAR ADC with On-Chip ADC Driver (OPA) and 4-Channel Differential Multiplexer 1 Features •1 1.0-MHz Sample Rate, Zero Latency at Full Speed • 18-Bit Resolution • Supports Pseudo-Bipolar Differential Input Range: -4 V to +4 V with 2-V Common-Mode • Built-In Four Channel, Differential Ended Multiplexer; with Channel Count Selection and Auto/Manual Mode • On-Board Differential ADC Driver (OPA) • Buffered Reference Output to Level Shift Bipolar ±4-V Input with External Resistance Divider • Reference/2 Output to Set Common-Mode for External Signal Conditioner • 18-/16-/8-Bit Parallel Interface • SNR: 98.