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FEATURES 8-Bit, 50, 80, and 100 MSPS ADC Low Power: 90 mW at 100 MSPS On-Chip Reference and Track/Hold 475 MHz Analog Bandwidth SNR = 46.5 dB @ 41 MHz at 100 MSPS 1 V p-p Analog Input Range Single 3.0 V Supply Operation (2.7 V–3.6 V) Power-Down Mode: 4.2 mW
APPLICATIONS Battery Powered Instruments Hand-Held Scopemeters Low Cost Digital Oscilloscopes
8-Bit, 50 MSPS/80 MSPS/100 MSPS 3 V A/D Converter
AD9283
FUNCTIONAL BLOCK DIAGRAM
AIN AIN
ENCODE
VD PWRDWN VDD
AD9283
T/H
ADC
OUTPUT STAGING
TIMING
REF
8
D7–D0
GND
REF REF OUT IN
GENERAL DESCRIPTION The AD9283 is an 8-bit monolithic sampling analog-to-digital converter with an on-chip track-and-hold circuit and is optimized for low cost, low power, small size and ease of use.