전자부품 데이터시트 검색엔진 |
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KA2143B 데이터시트(PDF) 10 Page - Samsung semiconductor |
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KA2143B 데이터시트(HTML) 10 Page - Samsung semiconductor |
10 / 12 page R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS KA2143B 9 OSD Electrical Characteristics TA = 25 °C; VCC1 = VCC2 = 12V; V10 = 4V; V11 = 4V; V13 = 4V; Vdrive = 4V; V4 = 4V; V12 = 0V unless otherwise stated Blank Output Fall Time (8) tf (Blank) Blank Output = 1VPP - 10 30 ns End of Blanking Propagation Delay tr - prop (Blank) Blank Output = 1VPP - 23 50 ns Start of Blanking Propagation Delay tf - prop (Blank) Blank Output = 1VPP - 20 45 ns Table 7. OSD Electrical Characteristics Parameter Symbol Conditions Min Typ Max Unit OSD Input Low Input Voltage VOSDL 0.4 1.3 - V OSD Input High Input Voltage VOSDh - 1.3 2.0 V OSD Select Low Input Voltage V4L Video Inputs are Selected 0.8 1.6 - V OSD Select High Input Voltage V4h OSD Inputs are Selected - 1.6 2.0 V OSD Select Low Input Current I4L V4 = 0V -15 -5 - µA OSD Select High Input Current I4h V4 = 12V - 0.01 0.2 µA OSD ∆Output Black Level ∆V BLV - OSD -0.3 - 0.3 v OSD Output Voltage VOSD V11 = 4V, Vdrive = 2V 2.75 3.95 5.15 VPP OSD Output VPP Attenuation ∆V OSD_ATT V11 = 2V, Vdrive = 2V 30 50 70 % Output Match between Channels ∆V OSD V11 = 4V, Vdrive = 2V 0 5 10 % Video to OSD Switch Time (8) tr (OSD S) V1 = V2 = V3 = V4 (13) - 4 10 ns OSD to Video Switch Time (8) tf (OSD S) V1 = V2 = V3 = V4 (13) - 11 20 ns Video to OSD Propagation Delay tr - prop (OSD S) V1 = V2 = V3 = V10 = V11 = 4V - 11 15 ns OSD to Video Propagation Delay tf - prop (OSD S) V1 = V2 = V3 = V10 = V11 = 4V - 12 25 ns Table 6. AC Electrical Characteristics(Continued) Parameter Symbol Conditions Min Typ Max Unit |
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