參數(shù)資料
型號： THS3112IDDAR
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, SOP-8
文件頁數(shù)： 4/35頁
文件大?。?/td> 1215K
代理商： THS3112IDDAR
750 W
+15V
-15V
75 W
V
I
n lines
75-
TransmissionLine
W
V
O(n)
V
O(1)
THS3115
R
F
750 W
49.9 W
R
49.9
T
W
R
G
750 W
50-
Load
W
50-
Source
W
V
I
+V
S
+V
S
/2
+V
S
/2
THS3115
R
F
750 W
49.9 W
50-
Load
W
+V
S
+V
S
/2
53.6
R
W
T
R
G
750 W
50-
Source
W
V
I
+V
S
/2
60
50
40
30
20
10
0
RecommendedR
Resistance(
)
W
ISO
10
100
C
CapacitiveLoad(pF)
-
L
SLOS385C – SEPTEMBER 2001 – REVISED SEPTEMBER 2010
www.ti.com
Single-Supply Operation
The THS3115 and THS3112 have the capability to
operate from a single supply voltage ranging from 10
V to 30 V. When operating from a single power
supply, biasing the input and output at mid-supply
allows for the maximum output voltage swing. The
circuits in Figure 41 show inverting and noninverting
amplifiers configured for single-supply operation.
Figure 42. Video Distribution Amplifier
Application
Driving Capacitive Loads
Applications such as FET drivers and line drivers can
be highly capacitive and cause stability problems for
high-speed amplifiers.
Figure 43 through Figure 49 show recommended
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 feedback path. See Figure 43 for
recommended resistor values versus capacitive load.
Figure 41. DC-Coupled, Single-Supply Operation
Video Distribution
The wide bandwidth, high slew rate, and high output
drive current of the THS3115 and THS3112 match
the demands for video distribution to deliver video
signals down 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
frequency
to
minimize
group
delay
Figure 43. Recommended RISO vs Capacitive
variations from the amplifier. A high slew rate
Load
minimizes distortion of the video signal, and supports
component video and RGB video signals that require
fast transition times and fast settling times for high
signal quality. Figure 42 illustrates a typical video
distribution amplifier application configuration.
12
Copyright 2001–2010, Texas Instruments Incorporated
Product Folder Link(s): THS3112 THS3115
相關PDF資料
PDF描述
THS3112CDG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112CDRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112CDDAG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112IDDAG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112IDDARG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
相關代理商/技術參數(shù)
參數(shù)描述
THS3112IDDARG3 功能描述:高速運算放大器 Dual Lo-Noise High Output Current 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
THS3112IDG4 功能描述:高速運算放大器 Dual Lo-Noise High Output Current 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
THS3112IDR 功能描述:高速運算放大器 Dual Lo-Noise High Output Current 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
THS3112IDRG4 功能描述:高速運算放大器 Dual Lo-Noise High Output Current 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
THS3115 制造商:BB 制造商全稱:BB 功能描述:LOW-NOISE, HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS
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