參數(shù)資料
型號： THS3001HVCD
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, MS-012AA, SOIC-8
文件頁數(shù)： 18/36頁
文件大?。?/td> 1065K
代理商： THS3001HVCD
www.ti.com
VI
VO
C1
+
RG
RF
R1
f
*3 dB +
1
2pR1C1
V
O
V
I
+
1 )
R
F
R
G
1
1 ) sR1C1
VI
C2
R2
R1
C1
RF
RG
R1 = R2 = R
C1 = C2 = C
Q = Peaking Factor
(Butterworth Q = 0.707)
(
=
1
Q
2
)
RG
RF
_
+
f
*3 dB
+
1
2pRC
+
C1
RF
RG
VO
VI
THS3001
V
O
V
I
+
R
F
R
G
S
)
1
R
F
C1
S
SLOS217G – JULY 1998 – REVISED MARCH 2008
Figure 56. Single-Pole Low-Pass Filter
If a multiple-pole filter is required, the use of a Sallen-Key filter can work well with CFB amplifiers. This is
because the filtering elements are not in the negative feedback loop and stability is not compromised. Because of
their high slew rates and high bandwidths, CFB amplifiers can create accurate signals and help minimize
distortion. An example is shown in Figure 57.
Figure 57. 2-Pole Low-Pass Sallen-Key Filter
There are two simple ways to create an integrator with a CFB amplifier. The first, shown in Figure 58, adds a
resistor in series with the capacitor. This is acceptable because at high frequencies, the resistor is dominant and
the feedback impedance never drops below the resistor value. The second, shown in Figure 59, uses positive
feedback to create the integration. Caution is advised because oscillations can occur due to the positive
feedback.
Figure 58. Inverting CFB Integrator
Copyright 1998–2008, Texas Instruments Incorporated
25
Product Folder Link(s): THS3001
相關PDF資料
PDF描述
THS3001HVID 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3001HVIDR 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3062DDAR 1 CHANNEL, VIDEO PREAMPLIFIER, PDSO8
THS3062DGNR 1 CHANNEL, VIDEO PREAMPLIFIER, PDSO8
THS3062DR 1 CHANNEL, VIDEO PREAMPLIFIER, PDSO8
相關代理商/技術參數(shù)
參數(shù)描述
THS3001HVCDGN 功能描述:高速運算放大器 420-MHz Curr 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
THS3001HVCDGNG4 功能描述:高速運算放大器 420-MHz Curr 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
THS3001HVCDGNR 功能描述:高速運算放大器 420 MHz Curr 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
THS3001HVCDGNRG4 功能描述:高速運算放大器 420 MHz Curr 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
THS3001HVCDRG4 制造商:Texas Instruments 功能描述:OP AMP SGL CURRENT FDBK 18.5V/37V 8SOIC - Tape and Reel
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