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| 型號： | THS7364IPWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 6 CHANNEL, VIDEO AMPLIFIER, PDSO20 |
| 封裝： | GREEN, PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 20/47頁 |
| 文件大?。?/td> | 1134K |
| 代理商： | THS7364IPWR |
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+V
S
External
Input/Output
Pin
Internal
Circuitry
www.ti.com
SBOS530 – AUGUST 2010
APPLICATION INFORMATION
coefficient capacitors. The design of the THS7364
The THS7364 is targeted for six-channel video output
allows
operation
down
to
2.6
V,
but
it
is
applications that require three standard-definition
recommended to use at least a 3-V supply to ensure
(SD) video output buffers and three full-high definition
that no issues arise with headroom or clipping with
(FHD) video output buffers. Although it can be used
100% color-saturated CVBS signals. If only 75% color
for numerous other applications, the needs and
saturated CVBS is supported, then the output voltage
requirements of the video signal are the most
requirements are reduced to 2 VPP on the output,
important design parameters of the THS7364. Built
allowing a 2.7-V supply to be utilized without issues.
on
the
revolutionary,
complementary
Silicon
Germanium (SiGe) BiCom3X process, the THS7364
A 0.1-mF to 0.01-mF capacitor should be placed as
incorporates many features not typically found in
close as possible to the power-supply pins. Failure to
integrated video parts while consuming very low
do so may result in the THS7364 outputs ringing or
power. The THS7364 includes the following features:
oscillating. Additionally, a large capacitor (such as
22 mF to 100 mF) should be placed on the
Single-supply 2.7-V to 5-V operation with low total
power-supply
line
to
minimize
interference
with
quiescent current of 23.4 mA at 3.3 V and
50-/60-Hz line frequencies.
24.5 mA at 5 V
Disable mode allows for shutting down individual
INPUT VOLTAGE
SD/FHD blocks of amplifiers to save system
power in power-sensitive applications
The THS7364 input range allows for an input signal
range from –0.2 V to approximately (VS+ – 1.5 V).
Input configuration accepting dc + level shift, ac
However, because of the internal fixed gain of 2 V/V
sync-tip clamp, or ac-bias
(+6 dB) and the internal input level shift of 150 mV
–
AC-biasing is allowed with the use of external
(typical), the output is generally the limiting factor for
pull-up resistors to the positive power supply
the allowable linear input range. For example, with a
Sixth-order, low-pass filter for DAC reconstruction
5-V supply, the linear input range is from –0.2 V to
or ADC image rejection:
3.5 V. However, because of the gain and level shift,
–
9.5 MHz for NTSC, PAL, SECAM, composite
the linear output range limits the allowable linear
video
(CVBS),
S-Video
Y’/C’,
480i/576i,
input range to approximately –0.1 V to 2.3 V.
Y’/P’B/P’R, and G’B’R’ (R’G’B’) signals
–
72-MHz for 1080p60 Y’/P’ B/P’R or G’B’R’
INPUT OVERVOLTAGE PROTECTION
signals; also allows up to QXGA (1600 × 1200
The THS7364 is built using a very high-speed,
at 60 Hz) R'G'B' video in filter bypass mode
complementary, bipolar, and CMOS process. The
Individually-controlled Bypass mode bypasses the
internal junction breakdown voltages are relatively
low-pass
filters
for
each
SD/FHD
block
of
low for these very small geometry devices. These
amplifiers
breakdowns are reflected in the Absolute Maximum
–
SD bypass mode features 150-MHz and
Ratings table. All input and output device pins are
100-V/ms performance
protected with internal ESD protection diodes to the
–
FHD bypass mode features 350-MHz and
power supplies, as shown in Figure 76.
500-V/ms performance
Individually-controlled Disable mode shuts down
all amplifiers in each SD/FHD block to reduce
quiescent current to 0.1 mA
Internally-fixed gain of 2-V/V (+6-dB) buffer that
can drive two video lines with dc-coupling or
traditional ac-coupling
Flow-through configuration using a TSSOP-20
package that complies with the latest lead-free
(RoHS-compatible)
and
green
manufacturing
requirements
Figure 76. Internal ESD Protection
OPERATING VOLTAGE
These diodes provide moderate protection to input
The THS7364 is designed to operate from 2.7 V to
overdrive voltages above and below the supplies as
5 V over the –40°C to +85°C temperature range. The
well. The protection diodes can typically support
impact on performance over the entire temperature
30 mA of continuous current when overdriven.
range is negligible as a result of the implementation
of thin film resistors and high-quality, low-temperature
Copyright 2010, Texas Instruments Incorporated
27
Product Folder Link(s): THS7364
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS7365 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-Channel Video Amplifier with 3-SD and 3-HD Sixth-Order Filters and 6-dB Gain |
| THS7365EVM | 功能描述:放大器 IC 開發(fā)工具 THS7365EVM Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)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 |
| THS7365IPW | 功能描述:視頻放大器 6Ch Video Amp RoHS:否 制造商:ON Semiconductor 通道數(shù)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 |
| THS7365IPWR | 功能描述:視頻放大器 6Ch Video Amp RoHS:否 制造商:ON Semiconductor 通道數(shù)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 |
| THS7368 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-Channel Video Amplifier with 3-SD and 3-SD/ED/HD/Full-HD Filters and 6-dB Gain |
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