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TSH344I Datasheet(PDF) 10 Page - STMicroelectronics |
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TSH344I Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 14 page Using the TSH344 to Drive RGB Video Components TSH344 10/14 Rev. 2 4 Using the TSH344 to Drive RGB Video Components Figure 27. Shapes of video signals coming from DACs Figure 28. Implementation of the video driver on output video DACs 0 IRE Black Level Image Content 30 IRE White Level 100 IRE 1Vp-p 300mV 0Volt DAC Outputs: RGB +5V 75 Ω 75 Ω Cable 75 Ω Video DAC LPF Reconstruction Filtering R 75 Ω 75 Ω Cable 75 Ω Video DAC G 75 Ω Video DAC B TV TSH344 75 Ω Cable 75 Ω +6dB LPF Reconstruction Filtering +6dB LPF Reconstruction Filtering +6dB 300mV 0.7Vp-p Content of the video signal 0V 600mV 1.4Vp-p 0V Amplifier output rail (70mV max.) 300mV 0.7Vp-p 0V 0.7Vpp 1.4Vpp 0.7Vpp 0.7Vpp 1.4Vpp 0.7Vpp 0.7Vpp 1.4Vpp 0.7Vpp Amplifier output rail (3.7V min.) 2.6V -5V (1) DAC output (2) Amplifier output (3) On the line +5V 75 Ω 75 Ω Cable 75 Ω Video DAC LPF Reconstruction Filtering R 75 Ω 75 Ω Cable 75 Ω Video DAC G 75 Ω Video DAC B TV TSH344 75 Ω Cable 75 Ω +6dB LPF Reconstruction Filtering +6dB LPF Reconstruction Filtering +6dB 300mV 0.7Vp-p Content of the video signal 0V 600mV 1.4Vp-p 0V Amplifier output rail (70mV max.) 300mV 0.7Vp-p 0V 0.7Vpp 0.7Vpp 1.4Vpp 1.4Vpp 0.7Vpp 0.7Vpp 0.7Vpp 0.7Vpp 1.4Vpp 1.4Vpp 0.7Vpp 0.7Vpp 0.7Vpp 0.7Vpp 1.4Vpp 1.4Vpp 0.7Vpp 0.7Vpp Amplifier output rail (3.7V min.) 2.6V -5V (1) DAC output (2) Amplifier output (3) On the line |
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