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参数资料
| 型号： | LMH6734MQX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDSO16 |
| 封装： | ROHS COMPLIANT, SSOP-16 |
| 文件页数： | 6/18页 |
| 文件大小： | 561K |
| 代理商： | LMH6734MQX/NOPB |
30003637
COMPONENT DRIVER
The LMH6734 is capable of transmitting and receiving com-
ponent video over short to moderate unshielded twisted-pair
(UTP) CAT5 cables, as shown in Figure 11. The component
signals Y, Pb, and Pr are connected to the LMH6734 transmit
side inputs with a 75
termination. The LMH6734 transmit
amplifiers are configured for a gain of +2 V/V before driving
the CAT5 cable. Only three out of the four pairs in the stan-
dard CAT5 are utilized, the fourth pair is available for audio.
The output of the LMH6734 transmit ampliers drive a 50
transmission system with one side of the twisted pair termi-
nated 50
to ground. Note this system, without signal equal-
ization, will satisfy transmission up to 200 ft. For longer cable
lengths, frequency and gain equalization to compensate for
signal degradation is recommended.
The LMH6734 receive side is configured for a unity gain buffer
for the component signals received through the CAT5 cable.
The inputs of the receiver channels are 100
differentially
terminated. The two 327
external resisters were chosen to
match the internal R
the LMH6734 transceiver frequency response over various
lengths of CAT5 cable with a 1 V
PP input signal at ±5 supply
voltage. The CMRR of the LMH6734 receive side at low fre-
quencies is 55dB at best with a split power supply of ±5V.
30003665
FIGURE 11. Component Video Transmission Over UTP (CAT5)
www.national.com
14
LMH6734
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LMH6738 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Very Wideband, Low Distortion Triple Op Amp |
| LMH6738MQ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| LMH6738MQ/NOPB | 功能描述:运算放大器 - 运放 Triple Video Op-Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| LMH6738MQX | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| LMH6738MQX/NOPB | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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