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參數資料
| 型號： | THS4271DGNRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO PREAMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, MSOP-8 |
| 文件頁數： | 25/48頁 |
| 文件大小： | 1227K |
| 代理商： | THS4271DGNRG4 |
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5
3
1
3
5
7
9
11
13
15
17
10M
100M
1G
f Frequency Hz
Small
Signal
Gain
dB
_
+
Rf
49.9
150
VIN = 100 mVPP
VS = ±5 V
Rf = 150
Rf = 100
Rf = 50
Rf = 0
4
2
10
12
14
16
18
20
10 M
100 M
1 G
f Frequency Hz
Normalized
Gain
dB
_
+
Rf
49.9
150
0
8
6
4
2
SOIC, Rf = 0
SOIC,
Rf = 100
SOIC, Rf = 200
Leadless MSOP, &
MSOP Rf = 0
VIN = 100 mVPP
VS =±5 V
4
3
2
1
0
1
2
3
4
100 k
1 M
10 M
100 M
1 G
10 G
f Frequency Hz
Small
Signal
Gain
dB
Gain = 1
RL = 150
VO = 100 mVPP
VS = ±5 V
_
+
49.9
150
www.ti.com
SLOS397F – JULY 2002 – REVISED OCTOBER 2009
DESIGN TOOLS
The
THS4271/THS4275
EVM
board
shown
in
through
is
designed
to
Performance vs Package Options
accommodate different gain configurations. Its default
component values are set to give a gain of 2. The
The THS4271 and THS4275 are offered in different
EVM can be configured in a gain of +1; however, it is
package options. However, performance may be
strongly
not
recommended.
Evaluating
the
limited due to package parasitics and lead inductance
THS4271/THS4275 in a gain of 1 using this EVM
in some packages. In order to achieve maximum
may cause the part to become unstable. The stability
performance of the THS4271 and THS4275, Texas
of the device can be controlled by adding a large
Instruments recommends using the leadless MSOP
resistor in the feedback path, the performance is
(DRB) or MSOP (DGN) packages, in addition to
sacrificed.
shows
the
small-signal
proper high-speed PCB layout. Figure 92 shows the
frequency response of the THS4271 with different
unity gain frequency response of the THS4271 using
feedback resistors in the feedback path. Figure 94 is
the leadless MSOP, MSOP, and SOIC package for
the small frequency response of the THS4271 using
comparison. Using the THS4271 and THS4275 in a
the gain of 1 EVM.
unity gain with the SOIC package may result in the
device
becoming
unstable.
In
higher
gain
configurations, this effect is mitigated by the reduced
bandwidth. As such, the SOIC is suitable for
application with gains equal to or higher than +2 V/V
or (–1 V/V).
Figure 93. Frequency Response vs Feedback
Resistor Using the EDGE #6439527 EVM
Figure 92. Effects of Unity Gain Frequency
Response for DIfferential Packages
Evaluation Fixtures, Spice Models, and
Applications Support
Texas Instruments is committed to providing its
customers with the highest quality of applications
support. To support this goal, evaluation boards have
been
developed
for
the
THS4271
operational
amplifier. Three evaluation boards are available: one
THS4271 and one THS4275, both are configurable
for different gains, and a third for a gain of +1
(THS4271 only). These boards are easy to use,
allowing for straightforward evaluation of the device.
Figure 94. Frequency Response
These evaluation boards can be ordered through the
Using the EDGE #6443547 EVM
Texas Instruments web site, www.ti.com, or through
your local Texas Instruments sales representative.
Schematics for the evaluation boards are shown
below.
Copyright 2002–2009, Texas Instruments Incorporated
31
相關PDF資料 |
PDF描述 |
|---|---|
| THS4271DRB | VIDEO AMPLIFIER, PDSO8 |
| THS4275DRB | VIDEO AMPLIFIER, PDSO8 |
| THS4271MDEP | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| THS4271MDGNTEP | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| THS4271MDREP | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| THS4271DR | 功能描述:高速運算放大器 Super-Fast Ultra-Low Distortion RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS4271DRBR | 功能描述:高速運算放大器 Super-Fast Ultra-Low Distortion RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS4271DRBRG4 | 功能描述:高速運算放大器 Super-Fast Ultra-Low Distortion RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS4271DRBT | 功能描述:高速運算放大器 Super-Fast Ultra-Low Distortion RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS4271DRBTG4 | 功能描述:高速運算放大器 Super-Fast Ultra-Low Distortion RoHS:否 制造商:Texas Instruments 通道數量: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 |
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