參數(shù)資料
型號(hào)： MAX7482
廠商： Maxim Integrated Products, Inc.
英文描述： Bidirectional Video Filters/Buffers for Composite and S-Video Portable Media Devices
中文描述： 雙向視頻濾波器/緩沖器，用于復(fù)合視頻及S端子便攜式多媒體產(chǎn)品
文件頁數(shù)： 9/13頁
文件大?。?/td> 872K
代理商： MAX7482
Short-Circuit Protection
The MAX7481/MAX7482 typical application circuit
includes a 75
Ω
back-termination resistor that limits short-
circuit current if an external short is applied to the video
output. The MAX7481/MAX7482 provide additional out-
put short-circuit protection to prevent damage in appli-
cations where amplifier output can be directly shorted.
Charge Pump and Linear Regulator
Portable video applications have space constraints that
limit the use of AC-coupling capacitors and power con-
straints that limit the use of batteries to generate the
negative supply rail. The MAX7481/MAX7482 simplify
and reduce space and power constraints by integrating
a charge pump and linear regulator to create a low-
noise negative supply from a single positive supply.
The charge pump inverts the positive supply to create
M
Bidirectional Video Filters/Buffers for Composite
and S-Video Portable Media Devices
_______________________________________________________________________________________
9
P/
R
CVBSON
YCON
OUT3
(CVBS)
OUT1 (Y) AND
OUT2 (C)
OUT4
(Y, CVBS)
OUT5
(C)
IN3 AND IN4
(Y, C)
IN5
(CVBS)
IN1
(Y)
IN2
(C)
Low
Low
Low
Low
High
High
High
High
Low
Low
High
High
Low
Low
High
High
Low
High
Low
High
Low
High
Low
High
Not Active
Not Active
Active
Active
GND
GND
GND
GND
Not Active
Active
Not Active
Active
GND
GND
GND
GND
GND
GND
GND
GND
GND
Active
Active
GND
GND
GND
GND
GND
GND
Active
GND
GND
Not Used
Not Used
Not Used
Not Used
Not Used
Active
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Active
Not Used
Active
Active
Active
Active
Not Used
Not Used
Not Used
Not Used
Active
Active
Active
Active
Not Used
Not Used
Not Used
Not Used
P
R
Table 1. Input/Output Truth Table
CVBSON
YCON
P/R = LOW
LPF
LPF
VIDEO
ADC
VIDEO
DAC
VIDEO
ADC
CONTROL
LOGIC
VIDEO
DAC
MAX7481
MAX7482
S4
S5
S1
S2
S3
75
Ω
0.1
μ
F
75
Ω
75
Ω
0.1
μ
F
0.1
μ
F
OUT2
OUT3
S8
S7
OUT1
IN3
IN5
IN4
IN2
IN1
S6
OUT5
OUT4
Figure 4. Signal Flow Diagram for Playback Mode
相關(guān)PDF資料
PDF描述
MAX7501SE LOW-POWER, MONOLITHIC,CMOS ANALIOG MULTIPLEXERS
MAX7501SQ LOW-POWER, MONOLITHIC,CMOS ANALIOG MULTIPLEXERS
MAX7503 LOW-POWER, MONOLITHIC,CMOS ANALIOG MULTIPLEXERS
MAX7501C LOW-POWER, MONOLITHIC,CMOS ANALIOG MULTIPLEXERS
MAX7501CD LOW-POWER, MONOLITHIC,CMOS ANALIOG MULTIPLEXERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7482ETI+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX748AC/D 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.7mA Quiescent Current-Mode PWM DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX748AC/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX748ACPA 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX748ACPA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3.3V Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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