ICs for TV AN5636K SECAM/PAL signal conversion IC ■ Overview 0.5±0.1 0.9±0.25 30 1.778 26.7±0.3 The AN5636K is an IC which converts the SECAM signal into the quasi-PAL signal. This IC can add the SECAM signal processing function while rationalizing the external parts in a joint use with the PAL/NTSC signal processing IC: AN5606K. Unit: mm 1 ■ Features • Rationalizing IHDL in common use with PAL IHDL • Lowering 6H line crawling by the quasi-PAL modulation • For both auto and manual modes of signal processing 15 16 8.6±0.3 4.7±0.25 +0.1 ■ Applications • TV (applicable to three systems: PAL/NTSC/SECAM) 3° to 15° 10.16±0.25 1.0±0.25 3.3±0.25 5 0.35−0.0 SDIP030-P-0400 1 2 3 Compo. video 2 GND (chroma) 1 Limiter amp. 27 Ident. demod. Ident. SECAM / SECAM Flip flop Ident. pulse gen. PAL mod. H. V. H. blank blank Sandcastle pulse det. Burst Blanking & reinsert Video amp. SECAM / SECAM video switch SECAM / SECAM chroma switch System ident. priority 19 30 26 Artificial black level gen. 25 Clamp pulse gen. 24 Line switch 4.43 MHz CW 22 SECAM switch & PAL matrix 21 R −Y clamp PAL (B − Y) 20 Chroma demod. B −Y clamp Carrier switch PAL (R − Y) Phase shifter VCC (chroma) 29 28 Adder 10 13 14 23 17 16 18 GND (video) VCC (video) 4.43 MHz (chroma) PAL color killer AN5636K ICs for TV ■ Block Diagram 12 11 9 7 8 15 6 5 4 SECAM chroma Video out DL video ST video Sand castle pulse ICs for TV AN5636K ■ Pin Descriptions Pin No. Description Pin No. Description 1 GND (chroma-system) 17 PAL color killer voltage input 2 SECAM chroma input 18 Delay signal input 3 Limiter feedback 19 VCC (chroma system) 4 Limiter feedback 20 R−Y signal output 5 System discrimination holding capacitor 21 Reference bias power supply 6 Identification pulse fall setting 22 B−Y signal output 7 Not SECAM video signal input 23 System identification voltage output 8 Sand castle pulse input 9 SECAM video signal input 24 4.43 MHz CW input 10 GND (video system) 25 Line switch output 11 Video signal output 26 R−Y clamp capacitance 12 Not SECAM chroma signal input 27 De-emphasis circuit 13 VCC (video system) 28 B−Y clamp capacitance 14 PAL chroma signal output 29 Discriminator 15 Identification pulse rise setting 30 Discriminator 16 Direct signal input combined with system forcing switch ■ Absolute Maximum Ratings Symbol Rating Unit Supply voltage Parameter VCC 6.0 V Supply current ICC 100 mA Power dissipation *2 PD 600 mW Operating ambient temperature *1 Topr −20 to +70 °C Storage temperature *1 Tstg −55 to +150 °C Note) *1 : Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2 : Ta = 70°C, Independent IC without a heat sink 3 AN5636K ICs for TV ■ Recommended Operating Range Parameter 4 Symbol Range Unit Supply voltage VCC 4.5 to 5.5 V Pin voltage V2-1 0 to V19-1 V Pin voltage V3-1 0 to V19-1 V Pin voltage V4-1 0 to V19-1 V Pin voltage V5-1 0 to V19-1 V Pin voltage V6-1 0 to V19-1 V Pin voltage V7-1 0 to V19-1 V Pin voltage V8-1 0 to V19-1 V Pin voltage V9-1 0 to V19-1 V Pin voltage V11-1 0 to 4.5 V Pin voltage V12-1 0 to V19-1 V Pin voltage V14-1 0 to 4.0 V Pin voltage V15-1 0 to V19-1 V Pin voltage V16-1 0 to V19-1 V Pin voltage V17-1 0 to V19-1 V Pin voltage V18-1 0 to V19-1 V Pin voltage V20-1 0 to V19-1 V Pin voltage V22-1 0 to V19-1 V Pin voltage V23-1 0 to V19-1 V Pin voltage V24-1 0 to V19-1 V Pin voltage V25-1 0 to V19-1 V Pin voltage V26-1 0 to V19-1 V Pin voltage V27-1 0 to 4.0 V Pin voltage V28-1 0 to V19-1 V Pin voltage V29-1 0 to V19-1 V Pin voltage V30-1 0 to V19-1 V Pin voltage V7-9 0 to 3 V Pin voltage V16-18 0 to 4.5 V Pin current I5 −1 to +1 mA Pin current I6 0 to +2 mA Pin current I11 −10 to 0 mA Pin current I14 −4 to 0 mA Pin current I15 0 to +2 mA Pin current I20 −2 to 0 mA Pin current I22 −2 to 0 mA ICs for TV AN5636K ■ Electrical Characteristics at Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Pin 13: 5.0 V, pin 13: 5.0 V 40 58 76 mA 1. DC Circuit current ICC1 2. AC Chroma block SECAM input signal limiting range V30 (lim) Pin 30 output, when pin 2 input is 4.328 MHz CW of 20 mV[p-p] to 400 mV[p-p] −1 0 +1 dB Limiter amplifier gain GV30 (lim) Pin 30 output, when pin 2 input is 4.328 MHz CW of 2 mV[p-p] 18 28 38 dB SECAM demodulation output signal (B−Y) E27 (B−Y) Peak to peak voltage of DB at pin 27 for SECAM color bar chroma of 200 mV[p-p] input to pin 2 159 227 295 mV[p-p] SECAM demodulation output signal (R−Y) E27 (R−Y) Peak to peak voltage of DR at pin 27 for SECAM color bar chroma of 200 mV[p-p] input to pin 2 225 321 417 mV[p-p] SECAM demodulation output ratio (R−Y/ B−Y) E27 (R−Y/ Peak to peak voltage of DR vs. DB 0.99 at pin 27 for SECAM color bar chroma of 200 mV[p-p] input to pin 2 1.41 1.84 SECAM modulation gain GS27-14 Peak to peak voltage of DR at pin 27 vs. DR red at pin 14 for SECAM color bar chroma of 200 mV[p-p] input to pin 2 0.5 1.0 1.5 Times SECAM modulation output ratio (R−Y/ burst) V14 (R−Y/ At pin 14, DR red vs. DR burst for SECAM color bar chroma of 200 mV[p-p] input to pin 2 2.34 3.35 4.36 SECAM modulation output ratio (R−Y/ B−Y) V14 (R−Y/ At pin 14, DR red vs. DR blue for SECAM color bar chroma of 200 mV[p-p] input to pin 2 0.99 1.41 1.84 Pin 14 chroma output for PAL chroma 330 mV[p-p] input to pin 12 0.7 1.0 1.3 Times Pin 11 cutoff frequency for CW 0.3 V[p-p] input to pin 9 10 MHz Frequency characteristics (PAL) F11PAL Pin 11 cutoff frequency for CW 0.3 V[p-p] input to pin 7 10 MHz Gain (SECAM) G11SECAM 10 kHz CW output gain at pin 11 for 10 kHz CW 0.3 V[p-p] input to pin 9 4 7 10 dB G11PAL 10 kHz CW output gain at pin 11 for 10 kHz CW 0.3 V[p-p] input to pin 7 4 7 10 dB PAL chroma amp gain B−Y) burst) B−Y) GP12-14 Video block Frequency characteristics (SECAM) Gain (PAL) F11SECAM 5 AN5636K ICs for TV ■ Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit 2. AC (continued) SECAM switch PAL matrix block SECAM switching gain (ST, B−Y) GS16-22 PAL chroma output at pin 22 for PAL chroma 660 mV[p-p] at pin 16 0.7 1 1.3 Times SECAM switching gain (ST, R−Y) GS16-20 PAL chroma output at pin 20 for PAL chroma 660 mV[p-p] at pin 16 0.7 1 1.3 Times SECAM switching gain (DL, B−Y) GS18-22 PAL chroma output at pin 22 for PAL chroma 660 mV[p-p] at pin 18 0.7 1 1.3 Times SECAM switching gain (DL, R−Y) GS18-20 PAL chroma output at pin 20 for PAL chroma 660 mV[p-p] at pin 18 0.7 1 1.3 Times PAL matrix gain (ST, +) GP16-22 PAL chroma output at pin 22 for PAL chroma 660 mV[p-p] at pin 16 0.35 0.5 0.65 Times PAL matrix gain (DL, +) GP18-22 PAL chroma output at pin 22 for PAL chroma 660 mV[p-p] at pin 18 0.35 0.5 0.65 Times PAL matrix gain (ST, −) GP16-20 PAL chroma output at pin 20 for PAL chroma 660 mV[p-p] at pin 16 0.35 0.5 0.65 Times PAL matrix gain (DL, −) GP18-20 PAL chroma output at pin 20 for PAL chroma 660 mV[p-p] at pin 18 0.35 0.5 0.65 Times EK Killer on level, when SECAM color bar chroma 200 mV[p-p] at pin 2 is refered as 0 dB −48 −42 −36 dB 0 0.25 0.5 V Discrimination block SECAM killer tolerance Killer detection voltage SECAM color V23SECAM Pin 23 voltage for SECAM color bar chroma of −34 dB at pin 2 Killer detection voltage SECAM off V23OFF Pin 23 voltage for SECAM color bar chroma of −50 dB at pin 2 0.7 3.0 5.0 V Ident. detection voltage PAL V23PAL Pin 23 voltage for PAL color bar chroma burst of 150 mV[p-p] at pin 2 0.7 3.0 5.0 V System discrimination output voltage (SECAM) V23SOUT System discrimination output at pin 23 for PAL color bar chroma burst of 150 mV[p-p] at pin 2 0.7 3.0 5.0 V System discrimination output voltage (SECAM) V23SOUT System discrimination output at pin 23 for SECAM color bar chroma of 0 dB at pin 2 0 0.25 0.5 V System switch block 6 ICs for TV AN5636K ■ Electrical Characteristics at Ta = 25°C (continued) • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol Conditions Min Typ Max Unit 1. AC Chroma block PAL chroma input signal voltage V12(PAL) Pin 12: PAL chroma input signal 330 660 mV[p-p] SECAM demodulation linearity LE27(R-Y) Pin 2: 4.406 MHz ±0.28 MHz Output linearity at pin 27 80 90 100 % SECAM modulation linearity Pin 2: 4.406 MHz ±0.28 MHz Output linearity at pin 14 80 90 100 % At pin 14, DB vs. DR output phase difference for SECAM color bar chroma of 200 mV[p-p] input to pin 2 80 90 100 ° SECAM modulation output phase difference LV14(R-Y) ∆Ψ14 SECAM modulation output signal (B−Y) V14(B-Y) DB blue at pin 14 for SECAM color bar 136 chroma of 200 mV[p-p] input to pin 2 227 318 mV[p-p] SECAM modulation output signal (R−Y) V14(R-Y) DR red at pin 14 for SECAM color bar 192 chroma of 200 mV[p-p] input to pin 2 321 450 mV[p-p] SECAM modulation output signal (burst) V14(Burst) DR burst at pin 14 for SECAM color bar chroma of 200 mV[p-p] input to pin 2 57 96 135 mV[p-p] V9SECAM Pin 9: SECAM video input 0.3 0.6 V[p-p] Pin 7: PAL video input 0.3 0.6 V[p-p] Video block Video input signal voltage (SECAM) Video input signal voltage (PAL) V9PAL SECAM switch PAL matrix block Direct input signal voltage V16 Pin 16: chroma input 660 1 320 mV[p-p] Delay input signal voltage V18 Pin 18: chroma input 660 1 320 mV[p-p] SECAM amplification degree ratio (ST/DL, B−Y) DS B-Y PAL chroma input to pin 16 or pin 18 PAL chroma output ratio at pin 22 0.8 1.0 1.2 SECAM amplification degree ratio (ST/DL, R−Y) DS R-Y PAL chroma input to pin 16 or pin 18 PAL chroma output ratio at pin 22 0.8 1.0 1.2 PAL amplification degree ratio (ST, B−Y/R−Y) DPST Pin 16: PAL chroma input Ratio of PAL chroma output at pin 22 to at pin 20 0.8 1.0 1.2 PAL amplification degree ratio (DL, B−Y/R−Y) DPDL Pin 18: PAL chroma input Ratio of PAL chroma output at pin 22 to at pin 20 0.8 1.0 1.2 SECAM switch output phase difference (B−Y) ∆ΨB-Y Pin 22 output phase difference, when PAL chroma is inputted to pin 16, pin 18 −10 0 +10 ° SECAM switch output phase difference (R−Y) ∆ΨR-Y Pin 20 output phase difference, when PAL chroma is inputted to pin 16, pin 18 170 180 190 ° V24IN Pin 24 4.43 MHz CW input 0.3 0.5 V[p-p] Carrier block 4.43 MHz input signal voltage 7 AN5636K ICs for TV ■ Electrical Characteristics at Ta = 25°C (continued) • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol Conditions Min Typ Max Unit 1. AC (continued) System switch block PAL color killer input threshold voltage (color) V17Color Input voltage at pin 17 0.5 3.0 5.0 V PAL color killer input threshold voltage (killer) V17Color Input voltage at pin 17 0 0.25 0.5 V System-forcing switch input threshold voltage (SECAM) V23SIN Input voltage at pin 23 0.5 3.0 5.0 V System-forcing switch input threshold voltage (SECAM) V23SIN Input voltage at pin 23 0 0.25 0.5 V BGP detection voltage VTHBGP Pin 8: sand castle pulse 3.25 3.5 3.75 V H pulse detection voltage VTHHP Pin 8: sand castle pulse input 1.8 2.2 2.6 V VTHBLKP Pin 8: sand castle pulse input 0.7 0.95 1.2 V Pulse input block BLK pulse detection voltage Burst phase width adjusting block Front edge threshold level VTH6 Threshold level at pin 6 1.0 1.25 1.5 V Rear edge threshold level VTH15 Threshold level at pin 15 1.0 1.25 1.5 V De-emphasis switch output (B−Y) V25B-Y Output voltage at pin 25 0 0.25 0.5 V De-emphasis switch output (R−Y) V25R-Y Output voltage at pin 25 0.5 3.0 5.0 V Flip-flop block 8 Compo. video GND (chroma) 3 2 1 Limiter amp. 26 Ident. demod. Artificial black level gen. Ident. SECAM / SECAM Flip flop Ident. pulse gen. H. V. H. blank blank Sandcastle pulse det. Burst PAL mod. Video amp. SECAM / SECAM video switch SECAM / SECAM chroma switch System ident. priority 19 30 Chroma demod. Blanking & reinsert PAL (B − Y) 29 27 Clamp pulse gen. 25 Line switch 24 R −Y clamp 22 SECAM switch & PAL matrix 21 B −Y clamp 4.43 MHz CW 20 28 Carrier switch PAL (R − Y) Phase shifter VCC (chroma) Adder 10 13 14 23 GND (video) VCC (video) PAL ACC chroma System switch Auto 4.43 MHz chroma SECAM PAL 17 PAL color killer 16 18 ICs for TV AN5636K ■ Application Circuit Example 12 11 9 7 8 SECAM chroma Video out DL video ST video 15 Sand castle pulse 6 5 4 9