參數(shù)資料
型號： AD9640ABCPZ-80
廠商： Analog Devices Inc
文件頁數(shù)： 1/52頁
文件大?。?/td> 0K
描述： IC ADC 14BIT 80MSPS 64LFCSP
設計資源： Interfacing ADL5534 to AD9640 High Speed ADC (CN0049)
標準包裝： 1
位數(shù)： 14
采樣率（每秒）： 80M
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 492mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-VFQFN 裸露焊盤，CSP
供應商設備封裝： 64-LFCSP-VQ（9x9）
包裝： 托盤
輸入數(shù)目和類型： 4 個單端，單極；2 個差分，單極
14-Bit, 80/105/125/150 MSPS, 1.8 V
Dual Analog-to-Digital Converter
AD9640
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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
2007–2009 Analog Devices, Inc. All rights reserved.
FEATURES
SNR = 71.8 dBc (72.8 dBFS) to 70 MHz @ 125 MSPS
SFDR = 85 dBc to 70 MHz @ 125 MSPS
Low power: 750 mW @ 125 MSPS
SNR = 71.6 dBc (72.6 dBFS) to 70 MHz @ 150 MSPS
SFDR = 84 dBc to 70 MHz @ 150 MSPS
Low power: 820 mW @ 150 MSPS
1.8 V analog supply operation
1.8 V to 3.3V CMOS output supply or 1.8 V LVDS
output supply
Integer 1 to 8 input clock divider
IF sampling frequencies to 450 MHz
Internal ADC voltage reference
Integrated ADC sample-and-hold inputs
Flexible analog input range: 1 V p-p to 2 V p-p
Differential analog inputs with 650 MHz bandwidth
ADC clock duty cycle stabilizer
95 dB channel isolation/crosstalk
Serial port control
User-configurable, built-in self-test (BIST) capability
Energy-saving power-down modes
Integrated receive features
Fast detect/threshold bits
Composite signal monitor
APPLICATIONS
Communications
Diversity radio systems
Multimode digital receivers
GSM, EDGE, WCDMA, LTE,
CDMA2000, WiMAX, TD-SCDMA
I/Q demodulation systems
Smart antenna systems
General-purpose software radios
Broadband data applications
FUNCTIONAL BLOCK DIAGRAM
06547-
001
VIN+A
VIN–A
VREF
SENSE
VIN–B
VIN+B
D13A
D0A
CLK+
CLK–
DCOA
DCOB
D13B
D0B
AGND
SYNC
FD(0:3)B
ADC
SIGNAL MONITOR
DATA
AVDD DVDD
FD(0:3)A
DRGND
PROGRAMMING DATA
DRVDD
FD BITS/THRESHOLD
DETECT
REF
SELECT
DUTY CYCLE
STABILIZER
MULTICHIP
SYNC
FD BITS/THRESHOLD
DETECT
SIGNAL MONITOR
INTERFACE
DCO
GENERATION
DIVIDE
1TO 8
SIGNAL
MONITOR
SPI
CM
O
S
O
UT
P
UT
BU
F
E
R
CM
O
S
O
U
T
P
UT
BUF
F
E
R
SHA
CSB
SCLK/
DFS
SDIO/
DCS
CML
RBIAS
SMI
SDO/
OEB
SMI
SCLK/
PDWN
SMI
SDFS
Figure 1.
PRODUCT HIGHLIGHTS
1.
Integrated dual 14-bit, 80/105/125/150 MSPS ADC.
2.
Fast overrange detect and signal monitor with serial output.
3.
Signal monitor block with dedicated serial output mode.
4.
Proprietary differential input that maintains excellent SNR
performance for input frequencies up to 450 MHz.
5.
Operation from a single 1.8 V supply and a separate digital
output driver supply to accommodate 1.8 V to 3.3 V logic
families.
6.
A standard serial port interface that supports various
product features and functions, such as data formatting
(offset binary, twos complement, or gray coding), enabling
the clock DCS, power-down, and voltage reference mode.
7.
Pin compatibility with the AD9627, AD9627-11, and the
AD9600 for a simple migration from 14 bits to 12 bits, 11
bits, or 10 bits.
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