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AC Characteristics (Cont’d): VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified) Parameter Test Conditions Min Typ Max Unit Chroma Section 1 (Cont’d) (PAL/NTSC) R–Y Output Amplitude 4PAL Input rainbow signal. Measure signal amplitude 220 315 440 mVP–P 3NTSC at Pin40. 220 315 440 mVP–P Relative Amplitude 4PAL Input rainbow signal. Measure (R–Y)/(B–Y). 0.73 0.8 0.9 3NTSC 0.73 0.8 0.9 Relative Phase 4PAL/4NTSC Input rainbow signal. Measure q(R–Y)/q(B–Y). 85 90 95 DEG 3NTSC 85 90 95 DEG Chroma Demodulation Bandwidth 0.5 0.8 1.5 MHz Residual Carrier Level B–Y Measure residual carrier waves (fsc frequencies) 0 3 5 mVP–P R–Y on Pin40 and Pin41. 0 3 5 mVP–P Residual Harmonics Level B–Y Measure residual higher harmonics (double the 0 20 30 mVP–P R–Y fsc frequency) on Pin40 and Pin41. 0 20 30 mVP–P TINT Control TINT Maximum Input NTSC rainbow signal. Measure TINT of ° 27 32 39 DEG TINT Center data = 00H, 40H, and 7FH. TINT 0 ° is when the 6th bar of B–Y is maximum. –12 –4 +8 DEG TINT Minimum the 6th bar of B–Y is maximum. –39 –44 –49 DEG PAL/NTSC Color Difference Amplitude Adjustment Gain –2 –1 –0.5 dB Identification Output PAL Measure output voltage from Pin39. 8.0 8.3 8.6 V SECAM 4.3 4.6 4.9 V NTSC 0.0 0.1 0.4 V Chroma Section 2 (SECAM) Color System Identification Mode Switch Threshold Voltage Measure voltager at Pin44 at which SECAM signal becomes unable to be demodulated when the DC voltage applied to TP44 is varied from 6V to 0V. 4.7 5.0 5.3 V ACC Characteristics Input Id 150mVP–P V32 = 1V. Measure ident amplitude at Pin28 220 280 340 mVP–P Input Id 50mVP–P 220 280 340 mVP–P Killer–On Level Ident Data = 0 Input color bar signal. Measure burst amplitude 0.1 1.0 3.0 mVP–P Ident Data = 1 at which color begins to disappear when burst is gradually reduced. 0.1 1.0 3.0 mVP–P B–Y Output Amplitude Input color bar signal. Measure output amplitude at Pin41. 400 580 750 mVP–P R–Y Output Amplitude Input color bar signal. Measure output amplitude at Pin40. 450 680 950 mVP–P BELL Monitor Switch Threshold Voltage 1.5 1.8 2.1 V BELL Filter Characteristics Ident Ratio 0.9 1.0 1.1 Cyan Bar 1.00 1.15 1.30 Yellow Bar 1.10 1.25 1.40 |
