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参数资料
| 型号： | MAX9508ATE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/25页 |
| 文件大小： | 0K |
| 描述： | IC AMP VIDEO FILTER 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 应用： | 滤波器 |
| 电路数： | 3 |
| 电流 - 电源： | 13mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 管件 |
MAX9508
Active-Detect Mode
The active video detect circuit slices the CVBSIN signal
at 4.7% of the power supply (155mV for a 3.3V supply).
If the transitions occur at a rate of 14.3kHz or higher, a
video signal is present. When the MAX9508 detects a
video signal with sync at the CVBSIN input, the control
logic enters the active-detect mode and enables the
load sense circuitry (Figure 3). The supply current is
typically 17A.
If an output load is not connected to any amplifier, the
MAX9508 remains in active detect mode. Eight times per
second, each load-sense circuit checks for a load by
connecting an internal 15k
Ω pullup resistor to the output
for 1ms. If the output is pulled up, then no load is pre-
sent. If the output stays low, a load is connected.
CVBS/S-Video Filter Amplifier with
SmartSleep and Bidirectional Video Support
12
______________________________________________________________________________________
CVBS 1
CIN
YIN
EXTCVBSIN
COUT
YOUT
CVBSOUT1
CVBSIN
CVBSOUT2
LPF
GND
CLAMP
OFF
LOAD SENSE
6dB
75
Ω
75
Ω
LPF
BUFFER
LOAD SENSE
BUFFER
6dB
LOAD SENSE
6dB
75
Ω
LOAD SENSE
6dB
75
Ω
LPF
MAX9508
SVIDEO
CHROMA
SVIDEO
LUMA
NO
LOADS
CURRENT
DAC
CURRENT
DAC
VIDEO SIGNAL
PRESENT
CURRENT
DAC
VIDEO ENCODER
SHDN
INT/EXT
ACTIVE VIDEO
DETECT
SMARTSLEEP
CONTROL
LOGIC
+3.3V
0
TO
50mV
OFF
CVBS 2
+3.3V
VDD
17
μA
Figure 3. Active-Detect Mode with No Output Loads
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9508ATE+ | 功能描述:视频放大器 DirectDrive Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX9508ATE+T | 功能描述:视频放大器 DirectDrive Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX9508EVKIT | 功能描述:视频放大器 Evaluation Kit for the MAX9508 RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX9509ATA+ | 制造商:Maxim Integrated Products 功能描述:1.8V, ULTRA-LOW POWER, DIRECTDRIVE VIDEO FILTER AMPLIFIERS - Bulk |
| MAX9509ATA+T | 功能描述:视频放大器 1.8V DirectDrive Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
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