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7851 - AD7851

General Description

The AD7851 is a high speed, 14-bit ADC that operates from a single 5 V power supply.

The ADC powers up with a set of default conditions at which time it can be operated as a read-only ADC.

Key Features

  • Single 5 V Supply 333 kSPS Throughput Rate/؎2 LSB DNL.
  • A Grade 285 kSPS Throughput Rate/؎1 LSB DNL.
  • K Grade A and K Grades Guaranteed to 125؇C/238 kSPS Throughput Rate Pseudo-Differential Input with Two Input Ranges System and Self-Calibration with Autocalibration on Power-Up Read/Write Capability of Calibration Data Low Power: 60 mW Typ Power-Down Mode: 5 ␮W Typ Power Consumption Flexible Serial Interface: 8051/SPI®/QSPI™/␮P Compatible 24-Lead PDIP, SOIC, and SSOP Packages.

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a FEATURES Single 5 V Supply 333 kSPS Throughput Rate/؎2 LSB DNL—A Grade 285 kSPS Throughput Rate/؎1 LSB DNL—K Grade A and K Grades Guaranteed to 125؇C/238 kSPS Throughput Rate Pseudo-Differential Input with Two Input Ranges System and Self-Calibration with Autocalibration on Power-Up Read/Write Capability of Calibration Data Low Power: 60 mW Typ Power-Down Mode: 5 ␮W Typ Power Consumption Flexible Serial Interface: 8051/SPI®/QSPI™/␮P Compatible 24-Lead PDIP, SOIC, and SSOP Packages APPLICATIONS Digital Signal Processing Speech Recognition and Synthesis Spectrum Analysis DSP Servo Control Instrumentation and Control Systems High Speed Modems Automotive AIN (+) AIN (–) REFIN/ REFOUT 14-Bit 333 kSPS Serial A/D Converter AD7851 FUNCTIONAL BLOCK DIAGRAM AVDD AGND AGND T/H 4.