ZHCSI38E March 2001 – April 2018 OPA2355 , OPA3355 , OPA355
PRODUCTION DATA.
- 1 特性
- 2 应用
- 3 说明
- 4 修订历史记录
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
- 7 Specifications
- 8 Detailed Description
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12器件和文档支持
- 13机械、封装和可订购信息
9.3 Video
The OPAx355 output stage is capable of driving a standard back-terminated 75-Ω video cable. By back-terminating a transmission line, the line does not exhibit a capacitive load to the driver. A properly back-terminated 75-Ω cable does not appear as capacitance; the cable presents only a 150-Ω resistive load to the OPAx355 output.
The OPAx355 can be used as an amplifier for RGB graphic signals, which have a voltage of zero at the video black level by offsetting and AC-coupling the signal, as shown in Figure 38.
Figure 38. RGB Cable Driver