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Analog Devices - 3V A/D Converter

Numéro de référence AD9283
Description 3V A/D Converter
Fabricant Analog Devices 
Logo Analog Devices 





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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 opti-
mized for low cost, low power, small size and ease of use. The
product operates at a 100 MSPS conversion rate, with outstand-
ing dynamic performance over its full operating range.
The ADC requires only a single 3.0 V (2.7 V to 3.6 V) power
supply and an encode clock for full performance operation. No
external reference or driver components are required for many
applications. The digital outputs are TTL/CMOS compatible
and a separate output power supply pin supports interfacing
with 3.3 V or 2.5 V logic.
The encoder input is TTL/CMOS compatible. A power-down
function may be exercised to bring total consumption to
4.2 mW. In power-down mode, the digital outputs are driven
to a high impedance state.
Fabricated on an advanced CMOS process, the AD9283 is
available in a 20-lead surface mount plastic package (SSOP)
specified over the industrial temperature range (–40°C to +85°C).
REV. C
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001

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