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| 型号： | MAX9516ALB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO FILTER AMP 1.8V 10-UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | DirectDrive® |
| 应用： | 重构滤波器 |
| 电路数： | 1 |
| 电流 - 电源： | 3.1mA |
| 电流 - 输出 / 通道： | 81mA |
| 电压 - 电源，单路/双路(±)： | 1.7 V ~ 2.63 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN |
| 供应商设备封装： | 10-uDFN（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1392 (CN2011-ZH PDF) |
| 其它名称： | MAX9516ALB+TDKR |
MAX9516
1.8V, Ultra-Low-Power, DirectDrive
Video Filter Amplifier with Load Detect
10
______________________________________________________________________________________
Anti-Alias Filter
The MAX9516 provides anti-alias filtering with buffering
before an analog-to-digital converter (ADC), which is
present in an NTSC/PAL video decoder, for example.
Figure 5 shows an example application circuit. An exter-
nal composite video signal is applied to VIDIN, which is
terminated with a total of 74 (56 and 18 resistors)
to ground. The signal is attenuated by four, and then
AC-coupled to IN. The normal 1VP-P video signal must
be attenuated because with a 1.8V supply, the
MAX9516 can handle only a video signal of approxi-
mately 0.25VP-P at IN. AC-couple the video signal to IN
because the DC level of an external video signal is usu-
ally not well specified, although it is reasonable to
expect that the signal is between -2V and +2V. The 10
series resistor increases the equivalent source resis-
tance to about 25, which is the minimum necessary for
a video source to drive the internal sync-tip clamp.
For external video signals larger than 1VP-P, operate
the MAX9516 from a 2.5V supply so that IN can accom-
modate a 0.325VP-P video signal, which is equivalent to
a 1.3VP-P video signal at VIDIN.
37.5
0 TO 0.25V
LPF
DAC
IMAGE
PROCESSOR
ASIC
MAX9516
75
8V/V
Figure 4. Video DAC Generates a 0.25VP-P Signal Across a
37.5 Resistor Connected to Ground
MAX9516
LOAD SENSE
VDD
VIDIN
VIDEO
AMPLIFIER
SHUTDOWN
CIRCUIT
SHDN
DC
LEVEL SHIFT
CLAMP
1.8V
VDD
OUT
56
18
10
75
75
LOAD
VIDEO
DECODER
CHARGE PUMP
LINEAR
REGULATOR
C1
1
F
C2
1
F
0.1
F
0.1
F
LPF
GND
CPGND
C1P
C1N
VSS
IN
Figure 5. MAX9516 Used as an Anti-Alias Filter with Buffer
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9516EVKIT+ | 功能描述:放大器 IC 开发工具 MAX9516 Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX9517ATC+ | 功能描述:视频放大器 Standard-Definition 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 |
| MAX9517ATC+T | 功能描述:视频放大器 Standard-Definition 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 |
| MAX9517EVKIT+ | 功能描述:放大器 IC 开发工具 MAX9517/24 Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX9519ARS+T | 功能描述:视频放大器 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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