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參數資料
| 型號： | THS7374IPWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 4 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數： | 11/40頁 |
| 文件大?。?/td> | 929K |
| 代理商： | THS7374IPWR |
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+V
S
External
Input/Output
Pin
Internal
Circuitry
www.ti.com
SLOS590B – JULY 2008 – REVISED JANUARY 2011
APPLICATION INFORMATION
Place a 0.1-mF to 0.01-mF capacitor as close as
The THS7374 is targeted for standard definition video
possible to the power-supply pins. Failure to do so
output buffer applications. Although it can be used for
may result in ringing or oscillating at the THS7374
numerous
other
applications,
the
needs
and
outputs. Additionally, a large capacitor (such as 22 mF
requirements of the video signal are the most
to 100 mF) should be placed on the power-supply line
important design parameters of the THS7374. Built
to
minimize
interference
with
50-Hz/60-Hz
line
on
the
revolutionary
complementary
Silicon
frequencies.
Germanium (SiGe) BiCom3X process, the THS7374
incorporates many features not typically found in
INPUT VOLTAGE
integrated video parts while consuming very low
power. The THS7374 has the following features:
The THS7374 input range allows for an input signal
range from –0.2 V to about (VS+ – 1.5 V). However,
Single-supply 3 V to 5 V operation with low total
because of the internal fixed gain of 2 V/V (+6 dB)
quiescent current of 9.6-mA at 3.3 V and 10-mA at
and the internal level shift of 150 mV nominal, the
5 V.
output is generally the limiting factor for the allowable
0.1mA disable mode allows for shutting down the
linear input range. For example, with a 5-V supply,
THS7374
to
save
system
power
in
the linear input range is from –0.2 V to 3.5 V. As a
power-sensitive applications.
result of the gain and level shift, the linear output
Input configuration accepts dc + level shift, ac
range limits the allowable linear input range to be
sync-tip clamp, or ac-bias.
from about –0.1 V to 2.3 V.
AC-biasing is allowed with the use of a single
external pull-up resistor to the positive power
INPUT OVERVOLTAGE PROTECTION
supply.
The THS7374 is built using a very high-speed
Sixth-order low-pass filter for DAC reconstruction
complementary bipolar and CMOS process. The
or ADC image rejection:
internal junction breakdown voltages are relatively
–
9.5-MHz for NTSC, PAL, SECAM, composite
low for these very small geometry devices. These
(CVBS),
s-video
Y’C’,
480i/576i
Y’P’BP’R,
breakdowns are reflected in the Absolute Maximum
G’B’R’, and SCART signals.
Ratings table. All input and output device pins are
Bypass mode bypasses the low-pass filter with a
protected with internal ESD protection diodes to the
150-MHz bandwidth and 130-V/ms slew rate
power supplies, as shown in Figure 56.
amplifier
Internal fixed gain of 2 V/V (+6 dB) buffer that can
drive two video lines per channel with dc-coupling
or traditional ac-coupling.
Signal flow-through configuration in a TSSOP-14
package that complies with the latest lead-free
(RoHS-compatible)
and
green
manufacturing
requirements.
OPERATING VOLTAGE
The THS7374 is designed to operate from 3-V to 5-V
Figure 56. Internal ESD Protection
over a –40°C to +85°C temperature range. The
impact on performance over the entire temperature
These diodes provide moderate protection to input
range is negligible as a result of the implementation
overdrive voltages above and below the supplies as
of thin film resistors and high quality, low temperature
well. The protection diodes can typically support 30
coefficient capacitors. The design of the THS7374
mA of continuous current when overdriven.
allows
operation
down
to
2.85
V,
but
it
is
recommended to use at least a 3-V supply to ensure
no issues with headroom or clipping.
Copyright 2008–2011, Texas Instruments Incorporated
19
Product Folder Link(s): THS7374
相關PDF資料 |
PDF描述 |
|---|---|
| THS7374IPW | 4 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| THS7374IPWG4 | 4 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| THS7374IPWRG4 | 4 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| THS7375IPWR | VIDEO AMPLIFIER, PDSO14 |
| THS7375IPW | VIDEO AMPLIFIER, PDSO14 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| THS7374IPWRG4 | 功能描述:視頻放大器 4-Ch SDTV Video Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| THS7375 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-Channel SDTV Video Amplifier with 6th-Order Filters and 5.6-V/V Gain |
| THS7375EVM | 功能描述:放大器 IC 開發工具 THS7375 Eval Mod RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| THS7375IPW | 功能描述:視頻放大器 4Ch SDTV Video Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| THS7375IPWG4 | 功能描述:視頻放大器 4Ch SDTV Video Amp w/6th order fltr RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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