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TC90107FG 数据表(PDF) 6 Page - Toshiba Semiconductor |
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TC90107FG 数据表(HTML) 6 Page - Toshiba Semiconductor |
6 / 15 page Summary TC90107FG Page 6 Rev.1.00 2015/11/24 5. Function Multi-color decoder Output format is ITU-R BT.656 The TC90107FG has many video quality improving function, such as HVD-Enhancer, dynamic-gamma, color-management and so on. Horizontal nonlinearly scaling (horizontal fish-eye correction, horizontal trapezoid correction and so on) VBI data slicer function (Closed caption, Video-ID and WSS are available.) Regulator circuit (3.3 V input / 2.5 V output) for ADC circuit by external connection. 5.1 Analog video signal input 5.1.1 Analog video signal input amplitude level The TC90107FG has one 10bit ADC for 1ch CVBS input. The dynamic range of this ADC is designed in AVDD*0.4 with the normal input dynamic range being 1 Vp-p (AVDD = 2.5 V). Be sure to use 0.7 Vp-p with 140IRE input when using CVBS as the recommended reference input amplitude. The TC90107FG has AGC function for CVBS input: however, to use the AGC cover range effectively we recommend that you use 0.7 Vp-p with 140IRE input for the input amplitude. 5.1.2 Analog video signal reference input level 1) Reference input level for Composite Video signal when 100% white (i.e. composite video input) Composite Video signal input level (Ex: 75% color bar) 100 -40 0 20 40 60 80 -20 <IRE> 0.7Vp-p 5.1.3 AGC (Auto Gain Control) function AGC function is used for composite video signal by GCA (Gain control amp) circuit and digital AGC function. AGC function has two mode: AUTO gain mode and manual gain mode. It is possible to use 1.0 Vp-p input amplitude by GCA function. 5.1.4 LPF function TC90107FG has LPF for anti-aliasing in front of GCA block. It is possible to select ON or through mode. System : Fourth-order Butterworth filter Frequency characteristic : -1 dB@6 MHz, -14 dB@13.5 MHz |
类似零件编号 - TC90107FG |
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类似说明 - TC90107FG |
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