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TEA2037A Datasheet(PDF) 4 Page - STMicroelectronics |
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TEA2037A Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 14 page TEA2037A 4/14 Table 8. Phase Detector Table 9. Frame Oscillator (Pin 1) Table 10. Frame Power Supply (Pin 7) Table 11. Flyback Generator Supply (Pin 2) Symbol Parameter Min. Typ. Max. Unit 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 Symbol Parameter Min. Typ. Max. Unit 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 = -100µA) (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 Vertical Frequency Drift with Temperature (see application Figure 11) 4.10–3 Hz/°C Symbol Parameter Min. Typ. Max. Unit V7 Operating Voltage (with flyback generator) 10 58 V I7 Supply Current (V7 = 30V) 22 mA Symbol Parameter Min. Typ. Max. Unit V2 Operating Voltage 10 30 V F ∆ 0 ∆ ------- |
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