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AD678 Datasheet 12-Bit 200 kSPS Complete Sampling ADC

Manufacturer: Analog Devices

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General Description

The AD678 is a complete, multipurpose 12-bit monolithic analog-to-digital converter, consisting of a sample-hold amplifier (SHA), a microprocessor compatible bus interface, a voltage reference and clock generation circuitry.

The AD678 is specified for ac (or “dynamic”) parameters such as S/N+D ratio, THD and IMD which are important in signal processing applications.

In addition, the AD678K, B and T grades are fully specified for dc parameters which are important in measurement applications.

Overview

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Key Features

  • AC and DC Characterized and Specified (K, B and T Grades) 200k Conversions per Second 1 MHz Full Power Bandwidth 500 kHz Full Linear Bandwidth 72 dB S/N+D (K, B, T Grades) Twos Complement Data Format (Bipolar Mode) Straight Binary Data Format (Unipolar Mode) 10 M⍀ Input Impedance 8-Bit or 16-Bit Bus Interface On-Board Reference and Clock 10 V Unipolar or Bipolar Input Range Commercial, Industrial and Military Temperature Range Grades MIL-STD-883 Compliant Versions Available 12-Bit 200 kSPS Comp.

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