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TDA8185I データシート(PDF) 4 Page - STMicroelectronics |
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TDA8185I データシート(HTML) 4 Page - STMicroelectronics |
4 / 8 page ELECTRICAL CHARACTERISTICS (continued) (VS =5 V, VCC =12 V, Tamb =25 °C, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit COMPOSITE BLANKING AND KEY PULSE (supersandcastle) VK Key Pulse Output Peak Voltage 10 V VL Line Blanking Voltage 4.25 4.5 4.75 V VF Frame Blanking Voltage 2.38 2.5 2.63 V tKS Phase Relationship between Leading Edge of Key Pulse and Middle of Sync. Pulse 2.5 µs tK Key Pulse Duration 4 µs tF Vertical Blanking Duration 1.4 ms FRAME V20 Output p.p. Sawtooth Voltage 50Hz and 60Hz 2.7 V V20 Pedestal Voltage 0.3 V LINE I7 Output Current 50 mA V7 Saturation Voltage I7 = 50mA 0.4 V tL Output Pulse Duration 29 µs SYNC. STATUS OUTPUT V21 Output Voltage 50Hz 60Hz Unlock 6.25 12 7 7.45 0.3 V V V OVERALL PHASE RELATION SHIP tO Phase Difference between Middle of Flyback and Middle of Sync. Pulses 2 µs VERTICAL BLANKING OUT AND FLY. INPUT V22 Blanking Output Voltage 4 V V22 Flyback Threshold Input 5.7 V I22 Flyback Current Input 0.1 mA Notes : 1. With tfly =12 µsand tI =29 µs. 2. The TDA8185I may be operated on a 5V supply directly. A 5.5 V shunt regulator is available internally for operation on higher supply voltage ; in this case an external limiting resistor is required. Without the external limiting resistor care must be taken to ensure that the supply voltage does not exceed 5.5V or the regulator will intervene and the device could be damaged. TDA8185I 4/8 |
同様の部品番号 - TDA8185I |
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同様の説明 - TDA8185I |
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