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參數(shù)資料
| 型號(hào)： | THS3096D |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| 封裝： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件頁(yè)數(shù)： | 10/44頁(yè) |
| 文件大小： | 2108K |
| 代理商： | THS3096D |
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www.ti.com
+
THS3092
20 V
+
1:1
THS3092
330 pF
22 pF
10 V
0.022
m
F
200 W
100 W
14.5 dBm
Line Power
200 W
604 W
4.99 kW
0.01 mF
191 W
604 W
1.21 kW
0.022
m
F
24.9 W
6.8 mF
0.01 mF
24.9 W
*Hybrid Connection Not
Shown For Simplicity
DAC
VIN+
DAC
VIN
1.21 kW
Video Distribution
+
THS3092
26 V
+
1:1
THS3092
To RX
Hybrid
330 pF
22 pF
13 V
0.01 mF
6.8 mF
4.99 kW
200 W
DAC
VIN+
22 pF
133 W
604 W
0.015 mF
200 W
4.99 kW
49.9 W
0.022
m
F
0.022
m
F
14.5 dBm
Line Power
100 W
DAC
VIN
+
75
75
75
75
75
n Lines
VO(1)
VO(n)
75-
Transmission Line
VI
909
909
15 V
Driving Capacitive Loads
SLOS428B – DECEMBER 2003 – REVISED FEBRUARY 2006
common-mode
images,
it
only
removes
the
differential signal images. However, two separate
filter capacitors filter both the common-mode signals
and the differential-mode signals. Be sure to place
the ground connection point of the capacitors next to
each other, and then tie a single ground point at the
middle of this trace.
Figure 56.
The wide bandwidth, high slew rate, and high output
drive current of the THS3092/6 matches the demands
for video distribution for delivering video signals down
Figure 55.
multiple cables. To ensure high signal quality with
minimal degradation of performance, a 0.1-dB gain
flatness
should
be
at
least
7x
the
passband
Additionally, level shifting must be done to center the
frequency to minimize group delay variations from the
common-mode voltage appearing at the amplifier’s
amplifier. A high slew rate minimizes distortion of the
noninverting input to optimally the midpoint of the
video signal, and supports component video and
power
supply.
As
a
side
benefit
of
the
RGB video signals that require fast transition times
ac-coupling/level shifter, a simple high pass filter is
and fast settling times for high signal quality.
formed. This is generally a good idea for VDSL
systems where the transmit band is typically above 1
MHz, but can be as low as 25 kHz.
One of the concerns about any DSL line driver is the
power dissipation. One of the most common ways to
reduce power is by using active termination, aka
synthesized impedance. Refer to TI Application Note
SLOA100 for more information on active termination.
The drawback to active termination is the received
signal is reduced by the same synthesis factor
utilized in
the
system.
Due
to
the
very
high
attenuation of the line at up to 12 MHz, the receive
signal can be severely diminished. Thus, the use of
active termination should be kept to modest levels at
Figure 57. Video Distribution Amplifier
best. Figure 56 shows an example of utilizing a
Application
simple active termination scheme with a synthesis
factor of 2 to achieve the same line power, but with a
reduced power supply voltage that ultimately saves
power in the system.
Applications such as FET line drivers can be highly
capacitive
and
cause
stability
problems
for
high-speed amplifiers.
methods for driving capacitive loads. The basic idea
is to use a resistor or ferrite chip to isolate the phase
shift at high frequency caused by the capacitive load
from the amplifier’s feedback path. See Figure 58 for
recommended resistor values versus capacitive load.
18
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| THS3096DRG4 | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| THS3096PWPRG4 | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| THS3096DG4 | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS3096DG4 | 功能描述:高速運(yùn)算放大器 Dual Hig-Vltg Low Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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 |
| THS3096DR | 功能描述:高速運(yùn)算放大器 Dual Hig-Vltg Low Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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 |
| THS3096DRG4 | 功能描述:高速運(yùn)算放大器 Dual Hig-Vltg Low Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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 |
| THS3096EVM | 功能描述:放大器 IC 開發(fā)工具 THS3096 Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| THS3096PWP | 功能描述:高速運(yùn)算放大器 Dual Hig-Vltg Low Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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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