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Analog Devices - 10-Bit/ 40 MSPS/60 MSPS A/D Converter

Numéro de référence AD9050
Description 10-Bit/ 40 MSPS/60 MSPS A/D Converter
Fabricant Analog Devices 
Logo Analog Devices 





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AD9050 fiche technique
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FEATURES
Low Power: 315 mW @ 40 MSPS, 345 mW @ 60 MSPS
On-Chip T/H, Reference
Single +5 V Power Supply Operation
Selectable 5 V or 3 V Logic I/O
SNR: 53 dB Minimum at 10 MHz w/40 MSPS
APPLICATIONS
Medical Imaging
Instrumentation
Digital Communications
Professional Video
10-Bit, 40 MSPS/60 MSPS
A/D Converter
AD9050
FUNCTIONAL BLOCK DIAGRAM
AINB
AIN
ENCODE
+5V GND
+5V
AD9050
T/H
TIMING
SUM
AMP
REFERENCE CKTS
ADC
DAC
ADC
DECODE
LOGIC
10
PRODUCT DESCRIPTION
The AD9050 is a complete 10-bit monolithic sampling analog-
to-digital converter (ADC) with an onboard track-and-hold and
reference. The unit is designed for low cost, high performance
applications and requires only +5 V and an encode clock to
achieve 40 MSPS or 60 MSPS sample rates with 10-bit resolution.
The encode clock is TTL compatible and the digital outputs
are CMOS; both can operate with 5 V/3 V logic, selected by the
user. The two-step architecture used in the AD9050 is opti-
mized to provide the best dynamic performance available while
maintaining low power consumption.
A 2.5 V reference is included onboard, or the user can provide
an external reference voltage for gain control or matching of
multiple devices. Fabricated on an advanced BiCMOS pro-
cess, the AD9050 is packaged in space saving surface mount
packages (SOIC, SSOP) and is specified over the industrial
(–40°C to +85°C) temperature range. The 60 MSPS version
(AD9050BRS-60) is only available in the SSOP package.
+5V
AIN
(+3.3V ± 0.512V)
+5V
0.1µF
0.1µF
0.1µF
3 4 2, 8, 11,
20, 22
10
5
AD9050
6
10 BITS
9
13
1, 7, 12,
21, 23
(2)
74AC574
ENCODE
Figure 1. Typical Connections
REV. B
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
which 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: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
© Analog Devices, Inc., 1997

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