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TEA2037 数据表(PDF) 3 Page - STMicroelectronics |
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TEA2037 数据表(HTML) 3 Page - STMicroelectronics |
3 / 9 page ELECTRICAL CHARACTERISTICS (Tamb =25 oC) (continued) Symbol Parameter Min. Typ. Max. Unit VIDEO INPUT (Pin 15) V15 Reference Voltage (I15 =-1 µA) 1.4 1.75 2 V MWF Minimum Width of Frame Pulse (when synchronized with TTL Signal) 50 µs VIN Sync Bottom to Black Level (RSYNC 15 = 560k Ω) 0.2 0.3 VPP LINE OSCILLATOR (Pin 9) LT9 Low Threshold Voltage 2.8 3.2 3.6 V HT9 High Threshold Voltage 5.4 6.6 7.8 V BI9 Bias Current 100 nA DR9 Discharge Impedance 1.0 1.4 1.8 k Ω FLP1 Free Running Line Period (R = 34.9k Ω Tied to VCC1, C = 2.2nF Tied to Ground) 62 64 66 µs FLP2 Free Running Line Period (R = 13.7k Ω, C = 2.2nF) 27 µs OT9 Oscillator Threshold for Line Output Pulse Triggering 4.6 V ∆F ∆θ Horizontal Frequency Drift with Temperature (see application Fig. 8) 2 Hz/ oC LINE OUTPUT (Pin 14) LV14 Saturation Voltage (I14 = 200mA) 1.1 1.6 V OPW Output Pulse Width (line period = 64 µs) 20 22 24 µs LINE FLYBACK INPUT (Pin 11) V11 Bias Voltage 1.8 2.4 3.2 V Z11 Input Impedance 4.5 5.8 8 k Ω PHASE DETECTOR I10 Output Current during Synchro Pulse 250 450 800 µA RI10 Current Ratio (positive/negative) 0.95 1 1.05 LI10 Leakage Current -2 +2 µA CV10 Control Range Voltage 2.60 7.10 V FRAME OSCILLATOR (PIn 1) LT1 Low Threshold Voltage 1.6 2.0 2.3 V HT1 High Threshold Voltage 2.6 3.1 3.6 V BI1 Bias Current 30 nA DR1 Discharge Impedance 300 470 700 k Ω FFP1 Free Running Line Period (R = 845k Ω Tied to VCC1, C = 180nF Tied to Ground) 20.5 23 25 ms MFP Minimum Frame Period (I15 = -100 µA) (with the same RC) 12.8 ms FFP2 Free Running Line Period (R = 408k Ω, C = 220nF) 14.3 ms FPR Frame Period Ratio = 1.7 1.8 1.9 FG Frame Saw-tooth Gain between Pin 1 and non-inverting Input of the Frame Amplifier -0.4 ∆F ∆θ Vertical Frequency Drift with Temperature (see application Fig. 8) 4 ⋅ 10-3 Hz/ oC FRAME POWER SUPPLY (Pin 7) V7 Operating Voltage (with flyback generator) 10 58 V I7 Supply Current (V7 = 30V) 22 mA FLYBACK GENERATOR SUPPLY (PIn 2) V2 Operating Voltage 10 30 V TEA2037A 3/9 |
类似零件编号 - TEA2037 |
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类似说明 - TEA2037 |
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