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ADC12281 Datasheet 12-bit/ 20 Msps Single-ended Input/ Pipelined A/d Converter

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: ADC12281 12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D Converter March 2000 ADC12281 12-Bit, 20 MSPS Single-Ended Input, Pipelined A/D.

General Description

The ADC12281 is a monolithic CMOS analog-to-digital converter capable of converting analog input signals into 12-bit digital words at 20 megasamples per second (MSPS).

It utilizes a pipeline architecture to minimize die size and power dissipation.

Self-calibration and error correction maintain accuracy and performance over temperature.

Key Features

  • n n n n n Single 5V power supply Single-ended analog input Internal sample-and-hold Internal reference buffer amplifier Low offset and gain errors Key Specifications n n n n n n n n Resolution Conversion rate DNL SNR ENOB Analog input range Supply voltage Power consumption, 20 MHz 12 bits up to 20 MSPS 0.35 LSB (typ) 65.5 dB (typ) 10.5 bits (typ) 2 VPP (min) +5V ± 5% 443 mW (typ).

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