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参数资料
| 型号： | ADA4432-1BCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 17/29页 |
| 文件大小： | 0K |
| 描述： | IC SD VIDEO FILTER AMP 8LFCSP |
| 标准包装： | 1 |
| 应用： | 车载系统 |
| 输出类型： | 单端 |
| 电路数： | 1 |
| -3db带宽： | 10.5MHz |
| 电流 - 电源： | 7.6mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 2.6 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘，CSP |
| 供应商设备封装： | 8-LFCSP-WD（3x3） |
| 包装： | 标准包装 |
| 其它名称： | ADA4432-1BCPZ-R7DKR |
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Data Sheet
ADA4432-1/ADA4433-1
Rev. A | Page 23 of 28
LOW POWER CONSIDERATIONS
Using a series source termination and a shunt load termination on
a low supply voltage with the ADA4432-1 or ADA4433-1 realizes
significant power savings compared with driving a video cable
directly from a DAC output. Figure 56 shows a video DAC
driving a cable directly. Properly terminated, a DAC driven
transmission line requires two 75 Ω loads in parallel, demanding
in excess of 33 mA to reach a full-scale voltage level of 1.3 V.
Figure 57 shows the same video load being driven using the
ADA4432-1 and a series-shunt termination. This requires two
times the output voltage to drive the equivalent of 150 Ω but
only requires a little more than 15 mA to reach a full-scale output.
When running on the same supply voltage as the DAC, this result
in a 74% reduction in power consumption compared with the
circuit in Figure 56. The high order filtering provided by the
ADA4432-1 lowers the requirements on the DAC oversampling
ratio, realizing further power savings. The main source for power
savings realized by the configuration shown in Figure 57 comes
from the low drive mode setting for the ADV7391. This along
with the reduction in the requirement for oversampling (PLL
turned off), and the reduced load current required, results in
significant power savings.
For more detailed information on low drive mode, see the
ADV7391 data sheet.
Figure 56. Driving a Video Transmission Line Directly with a DAC
Figure 57. Driving a Video Transmission Line with the ADA4432-1
75 CABLE
75
ADV7391
510
3.3V
RSET
75
10597-
038
300
75
75 CABLE
ADV7391
4.12k
3.3V
RSET
10597-
039
ADA4432-1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADA4432-1BRJ-EBZ | 制造商:AD 制造商全称:Analog Devices 功能描述:SD Video Filter Amplifiers |
| ADA4432-1BRJZ-R2 | 制造商:Analog Devices 功能描述:HIGH SPEED VIDEO FILTER AMPLIFIERS - Tape and Reel |
| ADA4432-1BRJZ-R7 | 功能描述:IC SD VIDEO FILTER AMP SOT23-6 RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 视频放大器和频缓冲器 系列:- 标准包装:1,000 系列:- 应用:驱动器 输出类型:差分 电路数:3 -3db带宽:350MHz 转换速率:1000 V/µs 电流 - 电源:14.5mA 电流 - 输出 / 通道:60mA 电压 - 电源，单路/双路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安装类型:表面贴装 封装/外壳:20-VFQFN 裸露焊盘 供应商设备封装:20-QFN 裸露焊盘（4x4） 包装:带卷 (TR) |
| ADA4432-1WBCPZ-R7 | 制造商:AD 制造商全称:Analog Devices 功能描述:SD Video Filter Amplifiers |
| ADA4432-1WBRJZ-R2 | 功能描述:IC SD VIDEO FILTER AMP 6SOT23 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:过期 应用:车载系统 输出类型:单端 电路数:1 -3db 带宽:10.5MHz 压摆率:- 电流 - 电源:7.6mA 电流 - 输出/通道:50mA 电压 - 电源，单/双（±）:2.6 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商器件封装:SOT-23 标准包装:250 |
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