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TDA9109 Datasheet(PDF) 9 Page - STMicroelectronics |
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TDA9109 Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 30 page VERTICAL SECTION Operating Conditions Symbol Parameter Test Conditions Min. Typ. Max. Unit OUTPUTS SECTION VEWM Maximum E/W Output Voltage Pin 24 6.5 V VEWm Minimum E/W Output Voltage Pin 24 1.8 V RLOAD Minimum Load for less than 1% Vertical Amplitude Drift Pin 20 65 M Ω Electrical Characteristics (VCC = 12V, Tamb =25 oC) Symbol Parameter Test Conditions Min. Typ. Max. Unit VERTICAL RAMP SECTION VRB Voltage at Ramp Bottom Point VREF-V = 8V, Pin 22 2 V VRT Voltage at Ramp Top Point (with Sync) VREF-V = 8V, Pin 22 5 V VRTF Voltage at Ramp Top Point (without Sync) Pin 22 VRT-0.1 V VSTD Vertical Sawtooth Discharge Time Pin 22, C22 = 150nF 70 µs VFRF Vertical Free Running Frequency (see Note 10) COSC (Pin 22) = 150nF Measured on Pin22 100 Hz ASFR AUTO-SYNC Frequency (see Note 11) C22 = 150nF ±5% 50 185 Hz RAFD Ramp Amplitude Drift Versus Frequency at Maximum Vertical Amplitude (see Note 5) C22 = 150nF 50Hz < f and f < 185Hz 200 ppm/Hz Rlin Ramp Linearity on Pin 22 (see Note 10) 2.5V < V27 and V27 < 4.5V 0.5 % VPOS Vertical Position Adjustment Voltage (Pin 23 - VOUT mean value) Sub Address 06 Byte x0000000 Byte x1000000 Byte x1111111 3.65 3.2 3.5 3.8 3.3 V V V VOR Vertical Output Voltage (peak-to-peak on Pin 23) Sub Address 05 Byte x0000000 Byte x1000000 Byte x1111111 3.5 2.25 3 3.75 2.5 V V V VOI Vertical Output Maximum Current (Pin 23) ±5mA dVS Max Vertical S-Correction Amplitude (see Note 12) x0xxxxxx inhibits S-CORR x1111111 gives max S-CORR Sub Address 07 ∆V/VPP at TV/4 ∆V/VPP at 3TV/4 -4 +4 % % Ccorr Vertical C-Corr Amplitude x0xxxxxx inhibits C-CORR Sub Address 08 ∆V/VPP @ TV/2 Byte x1000000 Byte x1100000 Byte x1111111 -3 0 3 % % % Notes : 5. These parameters are not tested on each unit. They are measured during our internal qualification. 10. With Register 07 at Byte x0xxxxxx (S correction is inhibited) and with Register 08 at Byte x0xxxxxx (C correction is inhibited), the sawtooth has a linear shape. 11. This is the frequency range for which the vertical oscillator will automatically synchronize, using a single capacitor value on Pin 22 and with a constant ramp amplitude. 12. TV is the vertical period. TDA9109/SN 9/30 |
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