参数资料
型号: THS3120IDGNRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 8/35页
文件大小: 975K
代理商: THS3120IDGNRG4
_
+
THS3120
49.9
50
Source
VI
+VS
RF
649
RG
649
+VS
2
+VS
2
_
+
THS3120
340
50
Source
VI
VS
RF
681
+VS
2
+VS
2
59
RG
RT
49.9
49.9
50
LOAD
50
LOAD
_
+
THS3120
RG
340
0.1
F
6.8
F
-VS
-15 V
50
Source
+
VI
0.1
F
6.8
F
+
+VS
15 V
RF
681
RM
59
49.9
50
LOAD
+
-
75
75
75
75
75
n Lines
VO(1)
VO(n)
75-
Transmission Line
VI
649
649
-15 V
15 V
SLOS420E – SEPTEMBER 2003 – REVISED OCTOBER 2009........................................................................................................................................ www.ti.com
WIDEBAND, INVERTING OPERATION
Figure 48 shows the THS3121 in a typical inverting
gain
configuration
where
the
input
and
output
impedances and signal gain from Figure 47 are
retained in an inverting circuit configuration.
Figure 49. DC-Coupled, Single-Supply Operation
Figure 48. Wideband, Inverting Gain
Configuration
Video Distribution
The wide bandwidth, high slew rate, and high output
SINGLE-SUPPLY OPERATION
drive current of the THS3120 and THS3121 matches
The THS3120 and THS3121 have the capability to
the demands for video distribution for delivering video
operate from a single supply voltage ranging from
signals down multiple cables. To ensure high signal
10 V to 30 V. When operating from a single power
quality with minimal degradation of performance, a
supply, biasing the input and output at mid-supply
0.1-dB gain flatness should be at least 7x the
allows for the maximum output voltage swing. The
passband
frequency
to
minimize
group
delay
circuits of Figure 49 show inverting and noninverting
variations from the amplifier. A high slew rate
amplifiers configured for single-supply operation.
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 50. Video Distribution Amplifier
Application
16
Copyright 2003–2009, Texas Instruments Incorporated
Product Folder Link(s): THS3120 THS3121
相关PDF资料
PDF描述
THS3120IDRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3122CDDAG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3122IDDAG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3122IDDARG3 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3122CDDA 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
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