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參數(shù)資料
| 型號： | VCA2618YT |
| 元件分類： | 可變增益放大器 |
| 英文描述： | Dual, Variable Gain Amplifier with Input Buffer |
| 中文描述： | 雙路，可變增益放大器輸入緩沖器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 326K |
| 代理商： | VCA2618YT |
FEATURES
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GAIN RANGE: up to 43dB
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30MHz BANDWIDTH
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LOW CROSSTALK: 65dB at Max Gain, 5MHz
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HIGH-SPEED VARIABLE GAIN ADJUST
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POWER SHUTDOWN MODE
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HIGH IMPEDANCE INPUT BUFFER
APPLICATIONS
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ULTRASOUND SYSTEMS
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WIRELESS RECEIVERS
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TEST EQUIPMENT
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RADAR
VCA2618
Dual, VARIABLE GAIN AMPLIFIER
with Input Buffer
DESCRIPTION
The VCA2618 is a highly integrated, dual receive channel,
Variable Gain Amplifier (VGA) with analog gain control.
The VCA2618’s VGA section consists of two parts: the Volt-
age 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 program-
mable elements results in a variable gain ranging from 0dB up
to a maximum gain as defined by the user through external
connections. The single-ended unity gain input buffer provides
predictable high input impedance. 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. A sepa-
rate power-down pin reduces power consumption.
The VCA2618 also features low crosstalk and outstanding
distortion performance. The combination of low noise
and gain range programmability make the VCA2618 a versa-
tile building block in a number of applications where
noise performance is critical. The VCA2618 is available in a
TQFP-32 package.
SBOS254B – JULY 2002 – REVISED NOVEMBER 2003
www.ti.com
Copyright 2002–2003, Texas Instruments Incorporated
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.
VCA2618
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.
Programmable
Gain Amplifier
Voltage
Control
Attenuator
Buffer
Analog
Control
VCA2618
(1 of 2 Channels)
Maximum Gain
Select
IN
A
VCA
CNTL
C
P2A
C
P1A
P
OUTA
N
OUTA
MGS
1
MGS
2
MGS
3
Maximum
Gain Select
Programmable
Gain Amplifier
Voltage
Control
Attenuator
Buffer
IN
B
C
P2B
C
P1B
P
OUTB
N
OUTB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VCA2619 | 制造商:BB 制造商全稱:BB 功能描述:Dual, Variable Gain Amplifier with Input Buffer |
| VCA2619EVM | 功能描述:放大器 IC 開發(fā)工具 VCA2619 Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| VCA2619YR | 功能描述:特殊用途放大器 Dual Variable Gain w/Input Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| VCA2619YT | 功能描述:特殊用途放大器 Dual Variable Gain w/Input Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| VCA3 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:3.3, 5.0 volt CMOS Oscillator |
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