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VCA2612Y/2K PDF预览

VCA2612Y/2K

更新时间： 2024-11-02 20:13:35
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
25页 1115K
描述
SPECIALTY ANALOG CIRCUIT, PQFP48, TQFP-48

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VCA2612Y/2K 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFP
包装说明：TFQFP, TQFP48,.35SQ针数：48
Reach Compliance Code：unknownHTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.08
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-PQFP-G48
长度：7 mm功能数量：2
端子数量：48最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TFQFP封装等效代码：TQFP48,.35SQ
封装形状：SQUARE封装形式：FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Other Analog ICs最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：4.75 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7 mmBase Number Matches：1

VCA2612Y/2K 数据手册

 浏览型号VCA2612Y/2K的Datasheet PDF文件第2页浏览型号VCA2612Y/2K的Datasheet PDF文件第3页浏览型号VCA2612Y/2K的Datasheet PDF文件第4页浏览型号VCA2612Y/2K的Datasheet PDF文件第5页浏览型号VCA2612Y/2K的Datasheet PDF文件第6页浏览型号VCA2612Y/2K的Datasheet PDF文件第7页 
VCA2612  
VCA2612  
SBOS117C – SEPTEMBER 2000 – REVISED APRIL 2004  
Dual, VARIABLE GAIN AMPLIFIER  
with Low Noise Preamp  
FEATURES  
● LOW NOISE PREAMP:  
DESCRIPTION  
The VCA2612 is a highly integrated, dual receive channel,  
signal processing subsystem. Each channel of the product  
consists of a low noise preamplifier (LNP) and a Variable  
Gain Amplifier (VGA). The LNP circuit provides the neces-  
sary connections to implement Active Termination (AT), a  
method of cable termination which results in up to 4.6dB  
noise figure improvement. Different cable termination char-  
acteristics can be accommodated by utilizing the VCA2612’s  
switchable LNA feedback pins. The LNP has the ability to  
accept both differential and single-ended inputs, and gener-  
ates a differential output signal. The LNP provides strappable  
gains of 5dB, 17dB, 22dB, and 25dB.  
• Low Input Noise: 1.25nV/√Hz  
• Active Termination Noise Reduction  
• Switchable Termination Value  
• 80MHz Bandwidth  
• 5dB to 25dB Gain Range  
• Differential Input/Output  
● LOW NOISE VARIABLE GAIN AMPLIFIER:  
• Low Noise VCA: 3.3nV/√Hz, Differential  
Programming Optimizes Noise Figure  
• 24dB to 45dB Gain  
The output of the LNP can be accessed externally for further  
signal processing, or fed directly into the VGA. The VCA2612’s  
VGA section consists of two parts: the Voltage Controlled  
Attenuator (VCA) and the Programmable Gain Amplifier  
(PGA). The gain and gain range of the PGA can be digitally  
programmed. The combination of these two programmable  
elements results in a variable gain ranging from 0dB up to a  
maximum gain as defined by the user through external  
connections. The output of the VGA can be used in either a  
single-ended or differential mode to drive high-performance  
Analog-to-Digital (A/D) converters.  
• 40MHz Bandwidth  
• Differential Input/Output  
● LOW CROSSTALK: 52dB at Max Gain, 5MHz  
● HIGH-SPEED VARIABLE GAIN ADJUST  
● SWITCHABLE EXTERNAL PROCESSING  
APPLICATIONS  
● ULTRASOUND SYSTEMS  
● WIRELESS RECEIVERS  
● TEST EQUIPMENT  
The VCA2612 also features low crosstalk and outstanding  
distortion performance. The combination of low noise and gain  
range programmability make the VCA2612 a versatile building  
block in a number of applications where noise performance is  
critical. The VCA2612 is available in a TQFP-48 package.  
Maximum Gain Select  
FBSWCNTL  
LNPOUTN  
VCAINN  
VCACNTL  
MGS1 MGS2 MGS3  
RF2  
SWFB  
VCA2612  
(1 of 2 Channels)  
RF1  
FB  
Analog  
Control  
Maximum Gain  
Select  
CF  
CC  
Input  
LNPINP  
VCAOUTN  
LNPGS1  
LNPGS2  
Programmable  
Gain Amplifier  
24 to 45dB  
Voltage  
Controlled  
Attenuator  
Low Noise  
Preamp  
5dB to 25dB  
LNP  
Gain Set  
LNPGS3  
VCAOUT  
P
LNPINN  
LNPOUT  
P
VCAIN  
P
SEL  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2000-2004, Texas Instruments Incorporated  
www.ti.com  
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VCA2612Y/2K 替代型号

型号 品牌 替代类型 描述 数据表
VCA2612Y/250 TI

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