參數(shù)資料
型號: THS4081IDGNR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 3/32頁
文件大?。?/td> 841K
代理商: THS4081IDGNR
THS4081, THS4082
175MHz LOW POWER HIGHSPEED AMPLIFIERS
SLOS274D DECEMBER 1999 REVISED JUNE 2001
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
theory of operation
The THS408x 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
fTs 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 38.
IN (2)
IN + (3)
(6) OUT
(4) VCC
(7) VCC +
Figure 38. THS4081 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 THS408x is shown in Figure 39. 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 (eRx = 4 kTRx )
相關PDF資料
PDF描述
THS4081IDGN 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
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THS4081ID 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
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相關代理商/技術參數(shù)
參數(shù)描述
THS4081IDGNRG4 功能描述:高速運算放大器 175-MHz Low-Power Volt-Feedback Amp 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS4082 制造商:TI 制造商全稱:Texas Instruments 功能描述:175-MHz LOW-POWER HIGH-SPEED AMPLIFIERS
THS4082CD 功能描述:高速運算放大器 Dual 175MHz 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS4082CDG4 功能描述:高速運算放大器 175-MHz Low-Power 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS4082CDGN 制造商:Rochester Electronics LLC 功能描述:LOW POWER, VF, DUAL OP-AMP - Bulk