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参数资料
| 型号： | VCA821IDG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封装： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件页数： | 16/36页 |
| 文件大小： | 1276K |
| 代理商： | VCA821IDG4 |
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PACKAGE CONSIDERATIONS
3
0
-3
-6
-9
-12
-15
-18
Frequency(MHz)
NormalizedGain(dB)
0
200
400
600
800
1000
A
=40V/V
VMAX
A
=20V/V
VMAX
A
=10V/V
VMAX
A
=5V/V
VMAX
A
=2V/V
VMAX
50W
R
F
50W
V
G
V
IN
50W
Source
R
G
50W
Load
V
OUT
R
1
R
2
R
3
+V
IN
-VIN
R
G-
R
G+
3
0
-3
-6
-9
-12
-15
-18
Frequency(MHz)
NormalizedGain(dB)
0
200
400
600
800
1000
A
=40V/V
VMAX
A
=20V/V
VMAX
A
=10V/V
VMAX
A
=5V/V
VMAX
A
=2V/V
VMAX
www.ti.com ....................................................................................................................................... SBOS407B – DECEMBER 2007 – REVISED DECEMBER 2008
There are no differences between the packages in
the recommended values for the gain and feedback
The
VCA821
is
available
in
both
SO-14
and
resistors.
However,
the
bandwidth
for
the
MSOP-10 packages. Each package has, for the
VCA821IDGS (MSOP-10 package) is lower than the
different gains used in the typical characteristics,
bandwidth for the VCA821ID (SO-14 package). This
different values of RF and RG in order to achieve the
difference is true for all gains, but especially true for
same
performance
detailed
in
the
gains greater than 5V/V, as can be seen in Figure 83
Characteristics table.
and Figure 84. Note that the scale must be changed
Figure 82 shows a test gain circuit for the VCA821.
to a linear scale to view the details.
Table 2 lists the recommended configuration for the
SO-14 and MSOP-10 packages.
Figure 83. SO-14 Recommended RF and RG
versus AVMAX
Figure 82. Test Circuit
Table 2. SO-14 and MSOP-10 RF and RG
Configurations
G = 2
G = 10
G = 40
RF
453
402
402
RG
453
80
18
Figure 84. MSOP-10 Recommended RF and RG
versus AVMAX
Copyright 2007–2008, Texas Instruments Incorporated
23
Product Folder Link(s): VCA821
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相关代理商/技术参数 |
参数描述 |
|---|---|
| VCA821IDGSR | 功能描述:运算放大器 - 运放 WB 40dB Adj Rng Lin Variable Gain Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| VCA821IDGSRG4 | 功能描述:运算放大器 - 运放 WB 40dB Adjust Range Linear RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| VCA821IDGST | 功能描述:运算放大器 - 运放 WB >40dB Adjust Rng Linear Vari Gain Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| VCA821IDGSTG4 | 功能描述:运算放大器 - 运放 WB 40dB Adjust Range Linear RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| VCA821IDR | 功能描述:运算放大器 - 运放 WB >40dB Adjust Rng Linear Vari Gain Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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