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參數(shù)資料
| 型號： | MAX9511CEG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | RGBHV Driver with EMI Suppression |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, MO-137AE, QSOP-24 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 394K |
| 代理商： | MAX9511CEG |
M
RGBHV Driver with EMI Suppression
_______________________________________________________________________________________
9
resistor to the input. This results in an equivalent imped-
ance of 75
at the DAC output, which indicates to the
video controller’s internal load-detection circuit that the
load is disconnected and the video controller shuts down
the video output. Figure 2 and Table 1 demonstrate how
the MAX9511 load-detection circuit operates in conjunc-
tion with the video controller load detection.
Output Video Signal Level Shift
The video signal at the MAX9511 output is shifted
upwards by approximately 240mV from the input to
keep the output stage of the video driver in a linear
region of operation. At the connector, the video signal
is attenuated by 6dB, canceling the 6dB gain of the
video driver. The 240mV level shift is also attenuated by
6dB, and hence the actual video signal seen by the
load is only 120mV higher than the video signal at the
input of the MAX9511. Monitors and other display
devices AC-couple the input signal so the 120mV level
shift should not affect the displayed video image.
I
OUT
R
T
75
REF
CURRENT DAC
MONITOR
VIDEO CONTROLLER
LOWPASS FILTER
FOR EMI SUPPRESSION
R
L
75
Figure 1. Conventional Load-Detection Scheme
I
OUT
R
37.5
R
ISENSE
V
Y
V
IS
V
X
REF
CURRENT DAC
MONITOR
VIDEO CONTROLLER
G = 2
R
T
75
MAX9511
-75
OUT
R
L
75
Figure 2. Load-Detection Scheme with MAX9511
Table 1. Function of Load-Detection
Scheme
AMPLIFIER OUTPUT
MAX9511
INTERNAL
SWITCH
RESISTANCE
AT DAC
OUTPUT
Connected to External Load
Not Connected to External Load
Open
Closed
37.5
75
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9511CEG+ | 功能描述:視頻 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9511CEG+T | 功能描述:視頻 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9511CEG-T | 功能描述:視頻 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9511EVKIT | 功能描述:視頻 IC MAX9511 EVAL KIT RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9512AEE+ | 制造商:Maxim Integrated Products 功能描述:VID AMP QUAD 3.6V - Rail/Tube |
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