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AD9609 Просмотр технического описания (PDF) - Analog Devices

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AD9609 10-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter ADI
Analog Devices ADI
AD9609 Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
10-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS,
1.8 V Analog-to-Digital Converter
AD9609
FEATURES
1.8 V analog supply operation
1.8 V to 3.3 V output supply
SNR
61.5 dBFS at 9.7 MHz input
61.0 dBFS at 200 MHz input
SFDR
75 dBc at 9.7 MHz input
73 dBc at 200 MHz input
Low power
45 mW at 20 MSPS
76 mW at 80 MSPS
Differential input with 700 MHz bandwidth
On-chip voltage reference and sample-and-hold circuit
2 V p-p differential analog input
DNL = ±0.10 LSB
Serial port control options
Offset binary, gray code, or twos complement data format
Optional clock duty cycle stabilizer
Integer 1-to-8 input clock divider
Built-in selectable digital test pattern generation
Energy-saving power-down modes
Data clock out with programmable clock and data alignment
APPLICATIONS
Communications
Diversity radio systems
Multimode digital receivers
GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA
Smart antenna systems
Battery-powered instruments
Handheld scope meters
Portable medical imaging
Ultrasound
Radar/LIDAR
PET/SPECT imaging
FUNCTIONAL BLOCK DIAGRAM
AVDD
GND SDIO SCLK CSB
DRVDD
RBIAS
VCM
VIN+
VIN–
VREF
SENSE
SPI
PROGRAMMING DATA
ADC
CORE
REF
SELECT
DIVIDE
BY
1 TO 8
DCS
AD9609
MODE
CONTROLS
OR
D9 (MSB)
D0 (LSB)
DCO
CLK+ CLK–
PDWN DFS MODE
Figure 1.
PRODUCT HIGHLIGHTS
1. The AD9609 operates from a single 1.8 V analog power
supply and features a separate digital output driver supply
to accommodate 1.8 V to 3.3 V logic families.
2. The patented sample-and-hold circuit maintains excellent
performance for input frequencies up to 200 MHz and is
designed for low cost, low power, and ease of use.
3. A standard serial port interface supports various product
features and functions, such as data output formatting,
internal clock divider, power-down, DCO and data output
(D9 to D0) timing and offset adjustments, and voltage
reference modes.
4. The AD9609 is packaged in a 32-lead RoHS compliant
LFCSP that is pin compatible with the AD9629 12-bit ADC
and the AD9649 14-bit ADC, enabling a simple migration
path between 10-bit and 14-bit converters sampling from
20 MSPS to 80 MSPS.
Rev. 0
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.
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