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| 型号： | MAX9510AUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC AMP VIDEO FILTER 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 应用： | 通用 |
| 电路数： | 1 |
| -3db带宽： | 42.1MHz |
| 转换速率： | 43 V/µs |
| 电流 - 电源： | 2.9mA |
| 电流 - 输出 / 通道： | 82mA |
| 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： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
MAX9509/MAX9510
Short-Circuit Protection
The MAX9509/MAX9510
Functional Diagram/Typical
Application Circuit includes a 75 back-termination
resistor that limits short-circuit current if an external short
is applied to the video output. The MAX9509/MAX9510
also feature internal output short-circuit protection to
prevent device damage in prototyping and applications
where the amplifier output can be directly shorted.
Shutdown
The MAX9509/MAX9510 feature a low-power shutdown
mode for battery-powered/portable applications.
Shutdown reduces the quiescent current to less than
10nA. Connecting SHDN to ground (GND) disables the
output and places the MAX9509/MAX9510 into a low-
power shutdown mode. In shutdown mode, the sync-tip
clamp, filter (MAX9509), amplifier, charge pump, and
linear regulator are turned off and the video output is
high impedance.
Applications Information
Power Consumption
The quiescent power consumption and average power
consumption of the MAX9509/MAX9510 are remarkably
low because of 1.8V operation and DirectDrive technolo-
gy. Quiescent power consumption is defined when the
MAX9509/MAX9510 are operating without load. In this
case, the MAX9509/MAX9510 consume approximately
5.8mW. Average power consumption, which is defined
when the MAX9509/MAX9510 drive a 150 load to
ground with a 50% flat field, is about 11.7mW. Table 1
shows the power consumption with different video sig-
nals. The supply voltage is 1.8V. OUT drives a 150
load to ground.
Table 1. Power Consumption of MAX9509/
MAX9510 with Different Video Signals
Notice that the two extremes in power consumption occur
with a video signal that is all black and a video signal that
is all white. The power consumption with 75% color bars
and 50% flat field lies in between the extremes.
Interfacing to Video DACs that Produce
Video Signals Larger than 0.25VP-P
Devices designed to generate 1VP-P video signals at
the output of the video DAC can still work with the
MAX9509/MAX9510. Most video DACs source current
into a ground-referenced resistor, which converts the
current into a voltage. Figure 3 shows a video DAC that
creates a video signal from 0 to 1V across a 150
resistor. The following video filter amplifier has a gain of
2V/V so that the output is 2VP-P.
The MAX9509/MAX9510 expect input signals that are
0.25VP-P nominally. The same video DAC can be made
to work with the MAX9509/MAX9510 by scaling down the
150 resistor to a 37.5 resistor, as shown in Figure 4.
The 37.5 resistor is 1/4 the size of the 150 resistor,
resulting in a video signal that is 1/4 the amplitude.
1.8V, Ultra-Low Power, DirectDrive
Video Filter Amplifiers
10
______________________________________________________________________________________
VIDEO SIGNAL
MAX9509 POWER
CONSUMPTION
(mW)
MAX9510 POWER
CONSUMPTION
(mW)
All Black Screen
6.7
6.2
All White Screen
18.2
17.9
75% Color Bars
11.6
11.0
50% Flat Field
11.7
11.3
150
0 TO 1V
LPF
DAC
IMAGE
PROCESSOR
ASIC
75
2VP-P
2V/V
37.5
*FOR MAX9509 ONLY.
0 TO 0.25V
LPF*
DAC
IMAGE
PROCESSOR
ASIC
MAX9509
MAX9510
75
2VP-P
8V/V
Figure 3. The video DAC generates a 1VP-P signal across a
150 resistor connected to ground.
Figure 4. The video DAC generates a 0.25VP-P signal across a
37.5 resistor connected to ground.
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| MAX9510EVKIT+ | 功能描述:视频放大器 MAX9509/MAX9510 Evaluation Kits 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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| MAX9511CEG+ | 功能描述:视频 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| MAX9511CEG+T | 功能描述:视频 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| MAX9511CEG-T | 功能描述:视频 IC RGBHV Driver w/EMI Suppression RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
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