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參數(shù)資料
| 型號： | THS4022D |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| 中文描述： | 350 - MHz的低噪聲高速放大器 |
| 文件頁數(shù)： | 9/22頁 |
| 文件大小： | 366K |
| 代理商： | THS4022D |
THS4021, THS4022
350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
SLOS265B – SEPTEMBER 1999 – REVISED FEBRUARY 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
theory of operation
The THS402x is a high-speed, operational amplifier configured in a voltage feedback architecture. It is built
using a 30-V, dielectrically isolated, complementary bipolar process with NPN and PNP transistors possessing
f
T
s of several GHz. This results in an exceptionally high performance amplifier that has a wide bandwidth, high
slew rate, fast settling time, and low distortion. A simplified schematic is shown in Figure 30.
IN– (2)
IN+ (3)
NULL (1)
NULL (8)
(6) OUT
(4) VCC–
(7) VCC+
Figure 30. THS4021 Simplified Schematic
noise calculations and noise figure
Noise can cause errors on very small signals. This is especially true when amplifying small signals, where
signal-to-noise ratio (SNR) is very important. The noise model for the THS402x is shown in Figure 31. This
model includes all of the noise sources as follows:
e
n
= Amplifier internal voltage noise (nV/
√
Hz)
IN+ = Noninverting current noise (pA/
√
Hz)
IN– = Inverting current noise (pA/
√
Hz)
e
Rx
= Thermal voltage noise associated with each resistor (e
Rx
= 4 kTR
x
)
相關(guān)PDF資料 |
PDF描述 |
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| THS4022DGN | 350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4022EVM | 350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031D | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031JG | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031DGN | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS4022DGN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4022EVM | 功能描述:放大器 IC 開發(fā)工具 THS4022 Hi-Spd Amp 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 |
| THS4022ID | 功能描述:高速運算放大器 Dual 350MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4022IDG4 | 功能描述:高速運算放大器 Dual 350MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4022IDGN | 功能描述:高速運算放大器 350-MHz Low-Noise Vltg-Feedback Dual RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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