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AD9273BSVZ-25

Description
IC ADC OCT 12BIT 25MSPS 100-TQFP
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,48 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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AD9273BSVZ-25 Overview

IC ADC OCT 12BIT 25MSPS 100-TQFP

AD9273BSVZ-25 Parametric

Parameter NameAttribute value
typeAAF, ADC, crosspoint switch, LNA, VGA
Number of channels8
Resolution (bits)12 b
Sample rate (per second)25M
Data interfaceSPI
power sourceanalog and digital
Voltage - Power1.8V,3V
Operating temperature-40°C ~ 85°C
Installation typesurface mount
Package/casing100-TQFP Exposed Pad
Supplier device packaging100-TQFP-EP(14x14)
8通道LNA/VGA/AAF/
ADC与交叉点开关
AD9273
产品特性
8通道LNA、VGA、AAF和ADC
½噪声前½放大器(LNA)
折合到输入端的噪声电压
= 1.26 nV/√Hz(增益 = 21.3 dB,
5 MHz,典型值)
SPI可编程增益 = 15.6 dB/17.9 dB/21.3 dB
单端输入;V
IN
最大值
= 733 mV p-p/ 550 mV p-p/367 mV p-p
双模有源输入阻抗匹配
带½(BW):>100
MHz
满量程(FS)输出=
4.4 V p-p差分电压
可变增益放大器(VGA)
衰减器范围
= −42 dB至0 dB
SPI可编程PGA增益 = 21 dB/24 dB/27 dB/30 dB
线性dB增益控制
抗混叠滤波器(AAF)
可编程二阶½通滤波器(LPF):8
MHz至18 MHz
可编程高通滤波器(HPF)
模数½换器(ADC)
10 MSPS至50 MSPS时为12½
SNR = 70 dB
SFDR = 75 dB
串行LVDS(ANSI-644,IEEE
1596.3缩小范围链路)
数据时钟输出和帧时钟输出
包括一个8
× 8差分交叉点开关,以支持连续波(CW)多普勒模式
½功耗,在12½/40
MSPS (TGC)时,每通道功耗为109 mW
连续波多普勒模式下,每通道功耗为70
mW
灵活的省电模式
过½½恢复时间:<10
ns
可从½功耗待机模式快速恢复:<2
s
100引脚TQFP和144引脚BGA封装
AVDD1
AVDD2
功½框图
DRVDD
PDWN
STBY
LOSW-A
LO-A
LI-A
LG-A
LOSW-B
LO-B
LI-B
LG-B
LOSW-C
LO-C
LI-C
LG-C
LOSW-D
LO-D
LI-D
LG-D
LOSW-E
LO-E
LI-E
LG-E
LOSW-F
LO-F
LI-F
LG-F
LOSW-G
LO-G
LI-G
LG-G
LOSW-H
LO-H
LI-H
LG-H
AD9273
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTA+
DOUTA–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTB+
DOUTB–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTC+
DOUTC–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTD+
DOUTD–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTE+
DOUTE–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTF+
DOUTF–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
LVDS
DOUTG+
DOUTG–
LNA
VGA
AAF
12-BIT
ADC
SERIAL
PORT
INTERFACE
SERIAL
LVDS
DATA
RATE
MULTIPLIER
DOUTH+
DOUTH–
FCO+
FCO–
DCO+
DCO–
REFERENCE
SWITCH
ARRAY
GAIN+
GAIN–
CSB
SCLK
VREF
SDIO
CWD[7:0]+
AND
CWD[7:0]–
RBIAS
CLK+
CLK–
应用
医疗成像/超声
½½雷达
图1.
概述
AD9273针对½成本、½功耗、小尺寸及易于½用的应用而
设计。它集成了带有可变增益放大器(VGA)的八通道½噪
声放大器(LNA)、抗混叠滤波器(AAF)和12½、10
MSPS至
50 MSPS模数½换器(ADC)。
每个通道均具有42
dB的可变增益范围、完全差分信号路径、
有源输入前½放大器终端、最大52
dB的增益以及½换速率
高达50
MSPS的ADC。通道专门针对动态范围与½功耗而优
化,适合要求小封装尺寸的应用。
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 that may result from its use. Speci cations 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.
LNA具有单端½差分增益,可以通过SPI进行选择。增
益为21.3
dB时,LNA折合到输入端的噪声电压典型值为
1.26 nV/√Hz;在典型增益下,整个通道折合到输入端的噪
声为1.42
nV/√Hz。假设噪声带½为15 MHz且LNA增益为
21.3 dB,则输入信噪比(SNR)约为91 dB。在连续波多普勒模
式下,LNA输出驱动一个跨导放大器,该放大器通过一个
8 × 8差分交叉点开关进行切换。该开关可通过SPI进行设½。
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.
ADI中文版数据手册是英文版数据手册的译文,敬请谅解翻译中可½存在的语言组织或翻译错误,ADI不对翻译中存在的差异或由此产生的错误负责。如需确认任½词语的准确性,请参考ADI提供
的最新英文版数据手册。
07030-001

AD9273BSVZ-25 Related Products

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Description IC ADC OCT 12BIT 25MSPS 100-TQFP Analog to Digital Converters - ADC 12-Bit 40 MSPS Octal Analog to Digital Converters - ADC 12-Bit 25 MSPS Octal AFE General Purpose 8 ADC 12bit 1.8V/3V Automotive 100-Pin TQFP EP Tray IC ADCASD OCTAL 25MSPS 144CSBGA IC ADCASD OCTAL 25MSPS 144CSBGA IC ADC 12BIT 40MSPS 4CH 100TQFP
type AAF, ADC, crosspoint switch, LNA, VGA - - - AAF, ADC, crosspoint switch, LNA, VGA AAF, ADC, crosspoint switch, LNA, VGA AAF, ADC, crosspoint switch, LNA, VGA
Resolution (bits) 12 b - - - 12 b 12 b 12 b
Sample rate (per second) 25M - - - 50M 40M 40M
Data interface SPI - - - SPI SPI SPI
power source analog and digital - - - analog and digital analog and digital analog and digital
Voltage - Power 1.8V,3V - - - 1.8V,3V 1.8V,3V 1.8V,3V
Operating temperature -40°C ~ 85°C - - - -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Installation type surface mount - - - surface mount surface mount surface mount
Package/casing 100-TQFP Exposed Pad - - - 144-LFBGA,CSPBGA 144-LFBGA,CSPBGA 100-TQFP Exposed Pad
Supplier device packaging 100-TQFP-EP(14x14) - - - 144-CSPBGA(10x10) 144-CSPBGA(10x10) 100-TQFP-EP(14x14)

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