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AD7883 - LC2MOS 12-Bit 3.3 V Sampling ADC

General Description

The AD7883 is a high speed, low power, 12-bit A/D converter which operates from a single +3 V to +3.6 V supply.

It consists of a 5 µs track/hold amplifier, a 15 µs successive-approximation ADC, versatile interface logic and a multiple-input-range circuit.

The part also includes a power save feature.

Key Features

  • Battery-Compatible Supply Voltage: Guaranteed Specs for VDD of 3 V to 3.6 V 12-Bit Monolithic A/D Converter 50 kHz Throughput Rate 15 ␮s Conversion Time 5 ␮s On-Chip Track/Hold Amplifier Low Power Power Save Mode: 1 mW typ Normal Operation: 8 mW typ 70 dB SNR Small 24-Lead SOIC and 0.3" DIP Packages.

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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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a LC2MOS 12-Bit, 3.3 V Sampling ADC AD7883 FEATURES Battery-Compatible Supply Voltage: Guaranteed Specs for VDD of 3 V to 3.6 V 12-Bit Monolithic A/D Converter 50 kHz Throughput Rate 15 ␮s Conversion Time 5 ␮s On-Chip Track/Hold Amplifier Low Power Power Save Mode: 1 mW typ Normal Operation: 8 mW typ 70 dB SNR Small 24-Lead SOIC and 0.3" DIP Packages APPLICATIONS Battery Powered Portable Systems Laptop Computers VINA VINB VREF AGND CS CLKIN CONVST RD BUSY FUNCTIONAL BLOCK DIAGRAM VDD SAMPLING COMPARATOR + – LOW POWER CONTROL CIRCUIT 12-BIT DAC CONTROL LOGIC SAR + COUNTER THREE STATE BUFFERS AD7883 MODE GENERAL DESCRIPTION The AD7883 is a high speed, low power, 12-bit A/D converter which operates from a single +3 V to +3.6 V supply.