ICs for VCR AN3664NFB Single chip audio signal processing IC for HiFi VCR ■ Overview Unit: mm 14.0±0.3 12.0±0.2 36 25 24 12.0±0.2 14.0±0.3 (1.6) 37 ■ Features (1.6) 13 1 12 0.80 0.35 +0.10 – 0.05 ■ Applications • HiFi VCR Seating plane 1.95±0.20 48 0.1±0.1 • High precision and adjustment-free fO , recording/playback level and playback BPF by adoption of built-in Zener zap PROM • Enhanced cost performance due to incorporating external parts. +0.10 0.15 – 0.05 The AN3664FNB is a single chip IC which performs HiFi VCR stereo audio signal processing. It incorporates the PROM to maintain an adjusting value, enabling a complete adjustment-free use. (1.0) 0° to 10° 0.5±0.2 QFH032-P-0707A 1 2 N.C. 24 PE 22 Mute CTL 23 21 F0−adj. R-channel DAC (NTSC/PAL) VCO rec.. LPF HPF Noise det. PC L-ch. BPF PC S/H SW noise SW9 Audio limit PB LPF R-ch. BPF FM Lim. PB LPF L L CCA 10 kΩ 12.9 kΩ PB trap LPF Buffer 10 kΩ Peak det. Det. LPF SW7 R SW19 Mute R SW17 SW1 L Mix Normal Hi-Fi SW18 R BS2 BS1 Mute Mix Normal BS1 SW16 PB trap LPF 10 kΩ EVOL /AGC SW6 BS2 in (L) 6 Noise det. (commonly used for ENV det. out) Forced normal 20 Hold timing Liner SW Logic SW4 Audio limit BS2 Hi-Fi PB FM input 19 Audio FF input 18 I2C data 17 Mix. Rec. LPF 12.9 kΩ Det. 47 48 Line out (L) VU out (R) VU out (L) RF conv. out 37 Normal in 38 Normal out 39 V (12 V) CC 40 RF conv. AGC det. 42 41 43 45 Line out (R) 44 46 Log Log 150 kΩ Nor. rec. in Input SW R SW22 L+R L RFC Amp. Amp. 2 I2C clock 16 Rec. PB NR ref. (L) 11 EVOL SW2 /AGC BS1 in (L) 7 Rec. FM out (Mix.) 15 (commonly used for BPF monitor) CCA out (L) 12 CCA 10 10 kΩ Det. LPF AUX in (L) 5 VREF1 1/2VCC (5 V) Input SW TV in (L) 4 SW noise 8 9 Peak det. 1 VCO F0−adj. L-channel DAC (NTSC/PAL) S/H 3 N.C. 14 Emph. (L) 13 AN3664NFB ICs for VCR ■ Block Diagram 36 35 TV in (R) 34 AUX in (R) 33 BS2 in (R) 32 BS1 in (R) and Nor. rec. in 31 V (5 V) CC1 30 29 28 GND1 (R) 27 NR ref. (R) 26 CCA out (R) 25 Emph. (R) ICs for VCR AN3664NFB ■ Pin Descriptions Pin No. Description Pin No. Description 1 Recording input volume adjusting pin 25 FM emph. / De-emph. (R-channel) 2 HiFi AGC det. pin 26 CCA output pin (R-channel: NR emph.) 3 VREF1 (1/2VCC1) 27 NR ref. (R-channel) 4 TV in (L-channel) 28 GND (R-channel) 5 AUX in (L-channel) 29 NR det. 2 (R-channel) 6 BS2 in (L-channel) 30 NR det. 1 (R-channel: Weighting) 7 BS1 in (L-channel) 31 VCC (VCC1 = 5 V) 8 NR det. 1 (L-channel: Weighting) 32 BS1 in (R-channel) and Normal recording in 9 NR det. 2 (L-channel) 33 BS2 in (R-channel) 10 GND (L-channel) 34 AUX in (R-channel) 11 NR ref. (L-channel) 35 TV in (R-channel) 12 CCA output pin (L-channel: NR emph.) 36 Recording input volume adjusting pin 13 FM emph. / De-emph. (L-channel) 37 Normal audio input 14 N.C. 38 Normal audio output 15 Rec. FM output / PB BPF monitor 39 VCC (VCC2 = 12 V) 16 Serial clock input 40 RF conv. AGC det. 17 Serial data input 41 RF conv. amp. output 18 Head switching pulse input for FM audio 42 GND 19 Playback FM input 43 Output mute (R-channel) 20 Envelope det. and forced normal output 44 Output mute (L-channel) 21 Normal judgement noise detection 45 Line amp. output (R-channel) 22 PE 46 Line amp. output (L-channel) 23 Output mute CTL 47 LOG amp. output (R-channel) 24 Resistor selection pin (or N.C. on use) 48 LOG amp. output (L-channel) ■ Absolute Maximum Ratings Parameter Supply voltage Power dissipation *1, 2 Operating ambient temperature Storage temperature *1 *1 Symbol Rating Unit VCC1 5.5 V VCC2 13.0 PD 639 mW Topr −20 to +75 °C Tstg −55 to +150 °C Note) 1. The reverse insertion of this IC will cause its breakdown. 2. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is the value for Ta = 75°C. 3 AN3664NFB ICs for VCR ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC1 4.5 to 5.3 V VCC2 8.0 to 12.5 ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C Parameter Symbol Min Typ Max Unit Circuit current (5 V) at recording ICCR1 Recording mode Measurement after adjusting fO 80 95 110 mA Circuit current (12 V) at recording ICCR2 Recording mode Measurement after adjusting fO 7 9 11 mA Circuit current (5 V) at playback ICCP1 Playback mode Measurement after adjusting fO 80 100 120 mA Circuit current (12 V) at playback ICCP2 Playback mode Measurement after adjusting fO 7 9 11 mA ENC out level 1-L VHRO1L VIN = −30 dBS, 1 kHz DIN audio, Vol. = 5 V −12.5 −11.0 −9.5 dBS ENC out level 1-R VHRO1R VIN = −30 dBS, 1 kHz DIN audio, Vol. = 5 V −12.5 −11.0 −9.5 dBS ENC out level 3-L VHRO3L VIN = −90 dBS, 1 kHz, DIN audio Vol. = 5 V, VHRO3L/VHRO1L −33.0 −30.0 −27.0 dB ENC out level 3-R VHRO3R VIN = −90 dBS, 1 kHz, DIN audio Vol. = 5 V, VHRO3R/VHRO1R −33.0 −30.0 −27.0 dB Normal recording out level VNRO VIN = −20 dBS, 1 kHz Normal out −21.5 −20.0 −18.5 dBS Volume level L (Gain = mode 1) VVOLL VIN = −20 dBS, 1 kHz L-out, Gain = 1, Vol. = 3 V −8.0 −6.0 −4.0 dBS Volume level R (Gain = mode 1) VVOLR VIN = −20 dBS, 1 kHz L-out, Gain = 1, Vol. = 3 V −8.0 −6.0 −4.0 dBS VVOLL − VVOLR −1.2 0.0 1.2 dB Volume maximum level L VOMAXL VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 5 V 2.5 4.0 5.5 dBS Volume maximum level R VOMAXR VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 5 V 2.5 4.0 5.5 dBS Volume minimum level L VOMINL VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 0 V VOMINL/VOMAXL −63.0 dB Volume minimum level R VOMINR VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 0 V VOMINR/VOMAXR −63.0 dB HiFi AGC mode EE level L VAGCEL VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 3 V −8.0 −6.0 −4.0 dBS HiFi AGC mode EE level R VAGCER VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 3 V −8.0 −6.0 −4.0 dBS Vol. level L/R balance 4 Conditions BVOL ICs for VCR AN3664NFB ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit HiFi AGC level L VAGCL VIN = −2 dBS, 1 kHz Gain = 1, Vol. = 3 V −2.0 0 2.0 dBS HiFi AGC level R VAGCR VIN = −2 dBS, 1 kHz Gain = 1, Vol. = 3 V −2.0 0 2.0 dBS Line out Gain = mode 2 level L VGHL VIN = −20 dBS, 1 kHz BS1 monitor mode −9.0 −7.5 −6.0 dBS Line out Gain = mode 2 level R VGHL VIN = −20 dBS, 1 kHz BS1 monitor mode −9.0 −7.5 −6.0 dBS Line out THD L THRML VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 3 V 0.1 % Line out THD R THRMR VIN = −20 dBS, 1 kHz Gain = 1, Vol. = 3 V 0.1 % Line out Vo-maximum L VMLOL fIN = 1 kHz, Gain = 1, Vol. = 3 V At output THD 3% 10.0 dBS Line out Vo-maximum R VMLOR fIN = 1 kHz, Gain = 1, Vol. = 3 V At output THD 3% 10.0 dBS ENC out Vo-maximum L VMFEL fIN = 1 kHz, Vol. = 5 V At output THD 3% −4.0 dBS ENC out Vo-maximum R VMFER fIN = 1 kHz, Vol. = 5 V At output THD 3% −4.0 dBS VRFC VIN = −20 dBS, 1 kHz BS2 monitor mode −9.0 −6.0 −3.0 dBS RF conv. out level Line out S/N L NHLOL RG = 2.2 kΩ, DIN audio Gain = 1, Vol. = 3 V 75.0 dB Line out S/N R NHLOR RG = 2.2 kΩ, DIN audio Gain = 1, Vol. = 3 V 75.0 dB Inter input crosstalk 1 *1 (TV-in select) CTIT AUX, BS1 and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIT − VRFC − 10 dB −70.0 dB Inter input crosstalk 2 *1 (AUX-in select) CTIA TV, BS1 and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIA − VRFC − 10 dB −70.0 dB Inter input crosstalk 3 *1 (BS1-in select) CTIB1 TV, AUX and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIB1 − VRFC − 10 dB −70.0 dB Inter input crosstalk 4 *1 (BS2-in select) CTIB2 TV, AUX and BS1 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTIB2 − VRFC − 10 dB −70.0 dB Crosstalk between channels R → L *1 CTTRL TV in R-channel = −10 dBS, 1 kHz DIN audio, Vol. = 3 V CTTRL − VVOLL − 10 dB −65.0 dB Note) *1: 10 dB should be reduced from the calculation result because of +10 dB increased input. 5 AN3664NFB ICs for VCR ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Crosstalk between channels L → R *1 CTTRR TV in L-channel = −10 dBS, 1 kHz DIN audio, Vol. = 3 V CTTLR − VVOLR − 10 dB −65.0 dB Output mode crosstalk 1 *1 (Normal select) CTHN TV, BS1 and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTHN − VRFC − 10 dB −65.0 dB Output mode crosstalk 2 *1 (HiFi select) CTNH Pin 37, BS1 and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTNH − VRFC − 10 dB −65.0 dB Output mode crosstalk 3 *1 (BS1 monitor mode) CTB1 Pin 37, TV and BS2 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTB1 − VRFC − 10 dB −65.0 dB Output mode crosstalk 4 *1 (BS2 monitor mode) CTB2 Pin 37, TV and BS1 in = −10 dBS 1 kHz, DIN audio, Vol. = 3 V CTB2 − VRFC − 10 dB −65.0 dB Crosstalk between ENC out channels (R → L) CTENRL TV in R-channel = −10 dBS, 1 kHz DIN audio, Vol. = 3 V CTENRL − VHRO1L − 5 dB −37.0 dB Crosstalk between ENC out channels (L → R) CTENLR TV in R-channel = −10 dBS, 1 kHz DIN audio, Vol. = 3 V CTENLR − VHRO1R − 5 dB −37.0 dB Output muting ratio L *1 MUTEL TV in = −10 dBS, 1 kHz Gain = 1, DIN audio, Vol. = 3 V MUTEL − VVOLL − 10 dB −65.0 dB Output muting ratio R *1 MUTER TV in = −10 dBS, 1 kHz Gain = 1, DIN audio, Vol. = 3 V MUTER − VVOLR − 10 dB −65.0 dB VCO output frequency L (NTSC) FNL NTSC mode, V19 = 5 V Non-modulation After PROM adjustment 1.295 1.300 1.305 MHz VCO output frequency R (NTSC) FNR NTSC mode, V19 = 0 V Non-modulation After PROM adjustment 1.695 1.700 1.705 MHz VCO output frequency L (PAL) FPL PAL mode, V19 = 5 V Non-modulation After PROM adjustment 1.395 1.400 1.405 MHz VCO output frequency R (PAL) FPR PAL mode, V19 = 0 V Non-modulation After PROM adjustment 1.795 1.800 1.805 MHz VCO output amplitude L VOVCOL NTSC mode, 1.3 MHz Non-modulation 30 Note) *1: 10 dB should be reduced from the calculation result because of +10 dB increased input. 6 53 70 mV[p-p] ICs for VCR AN3664NFB ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued) Parameter VCO output amplitude R Symbol Conditions VOVCOR NTSC mode, 1.7 MHz Non-modulation Min Typ Max Unit 135 185 235 mV[p-p] VCO output L/R mix. ratio L FNLN NTSC mode Serial control: D05 = 0, D04 = 0 9.5 11.0 12.5 dB VCO output L/R mix. ratio R FNRN NTSC mode Serial control: D05 = 1, D04 = 1 6.5 8.0 9.5 dB Limiter level 1-L (NTSC mode) LIMN1L Pin 19 = 5 V, Pin 13 = 5 V LIMN1L − fOL −160 −140 −120 kHz Limiter level 1-R (NTSC mode) LIMN1R Pin 19 = 0 V, Pin 25 = 5 V LIMN1R − fOR −160 −140 −120 kHz Limiter level 2-L (NTSC mode) LIMN2L Pin 19 = 5 V, Pin 13 = 0 V LIMN2L − fOL 120 140 160 kHz Limiter level 2-R (NTSC mode) LIMN2R Pin 19 = 0 V, Pin 25 = 0 V LIMN2R − fOR 120 140 160 kHz FM deviation L DEVL VIN = −30 dBS, 1 kHz Vol. = 5 V, Pin 19 = 5 V 44.0 50.0 56.0 kHz FM deviation R DEVR VIN = −30 dBS, 1 kHz Vol. = 0 V, Pin 19 = 5 V 44.0 50.0 56.0 kHz −6.0 0.0 6.0 kHz FM deviation L/R ratio DEVLR DEVR − DEVL FM modulation distortion L THFEL VIN = −20 dBS, 1 kHz Vol. = 3 V, FM RF out 0.8 % FM modulation distortion R THFER VIN = −20 dBS, 1 kHz Vol. = 3 V, FM RF out 0.8 % FM modulation S/N L NHFEL RG = 2.2 Ω, DIN audio, Vol. = 3 V FM RF out, DEVL/NHFEL 35 dB FM modulation S/N R NHFER RG = 2.2 Ω, DIN audio, Vol. = 3 V FM RF out, DEVR/NHFER 35 dB 1.3 MHz BPF frequency characteristics 1 *2 BPF11 BPF monitor (L-channel) NTSC mode, fC = 1.3 MHz 100 155 190 mV[p-p] 1.3 MHz BPF frequency characteristics 2 *2 BPF12 fC = 1.45 MHz BPF12/BPF11 −9.0 −3.0 1.0 dB 1.3 MHz BPF frequency characteristics 3 *2 BPF13 fC = 1.15 MHz BPF13/BPF11 −4.0 −1.0 2.0 dB 1.3 MHz BPF frequency characteristics 5 *2 BPF15 V (1.05M) / V (1.45M) −15.0 −7.5 4.0 dB 1.7 MHz BPF frequency characteristics 1 *2 BPF21 BPF monitor (R-channel) NTSC mode, fC = 1.7 MHz 90 135 170 mV[p-p] 1.7 MHz BPF frequency characteristics 2 *2 BPF22 fC = 1.85 MHz BPF22/BPF21 −6.0 0.0 3.5 dB 1.7 MHz BPF frequency characteristics 3 *2 BPF23 fC = 1.55 MHz BPF23/BPF21 −7.0 −3.0 0.5 dB Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p] 7 AN3664NFB ICs for VCR ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued) Parameter Symbol Conditions Typ Max Unit 1.4 MHz BPF frequency characteristics 1 *2 BPF31 BPF monitor (L-channel) PAL mode, fC = 1.4 MHz 100 155 190 mV[p-p] 1.4 MHz BPF frequency characteristics 2 *2 BPF32 fC = 1.55 MHz BPF32/BPF31 −9.0 −3.0 1.0 dB 1.4 MHz BPF frequency characteristics 3 *2 BPF33 fC = 1.25 MHz BPF33/BPF31 −4.0 −1.0 2.0 dB 1.4 MHz BPF frequency characteristics 5 *2 BPF35 1.15 MHz/1.55 MHz −15.0 −7.5 4.0 dB 1.8 MHz BPF frequency characteristics 1 *2 BPF41 BPF monitor (R-channel) PAL mode, fC = 1.8 MHz 90 135 170 mV[p-p] 1.8 MHz BPF frequency characteristics 2 *2 BPF42 fC = 1.95 MHz BPF42/BPF41 −6.0 0.0 3.5 dB 1.8 MHz BPF frequency characteristics 3 *2 BPF43 fC = 1.65 MHz BPF43/BPF41 −7.0 −3.0 3.0 dB Playback out level 1-L *2 VHPO1L VIN = 50 kHz Dev, 1 kHz Line out, Gain = 1 −7.5 −6.0 −4.5 dBS Playback out level 1-R *2 VHPO1R VIN = 50 kHz Dev, 1 kHz Line out, Gain = 1 −7.5 −6.0 −4.5 dBS VHPO1L − VHPO1R −1.5 0.0 1.5 dB Playback out level L/R ratio BHP *2 VHPO3L FM in = 50 kHz, −30 dB −70.0 −64.0 −57.0 DIN audio, Gain = 1, VHPO3L/VHPO1L dB Playback out level 3-R *2 VHPO3R FM in = 50 kHz, −30 dB −70.0 −64.0 −57.0 DIN audio, Gain = 1, VHPO3R/VHPO1R dB Playback out level 3-L Playback out frequency characteristics L *2 VHPFL In: Dev = 50 kHz, f = 70 kHz DIN audio, Gain = 1, VHPFL/VHPO1L −40.0 dB Playback out frequency characteristics R *2 VHPFR In: Dev = 50 kHz, f = 70 kHz DIN audio, Gain = 1, VHPFR/VHPO1R −40.0 dB Playback out distortion L *2 THPOL In: Dev = 100 kHz, f = 1 kHz Line out, Gain = 1 0.8 % Playback out distortion R *2 THPOR In: Dev = 100 kHz, f = 1 kHz Line out, Gain = 1 0.8 % Playback out S/N L *2 NHPOL No modulation, Line out, Gain = 1 DIN audio, VHPO1L/NHPOL 75 dB Playback out S/N R *2 NHPOR No modulation, Line out, Gain = 1 DIN audio, VHPO1R/NHPOR 75 dB Crosstalk between Playback out channels (R → L) *2 CTPRL VIN = 50 kHz Dev, 1 kHz DIN audio, CTPRL/VHPO1L −65.0 dB Crosstalk between Playback out channels (L → R) *2 CTPLR VIN = 50 kHz Dev, 1 kHz DIN audio, CTPLR/VHPO1R −65.0 dB DOC on level DOC1 fCL = 1.3 MHz fCR = 1.7 MHz ±50 kHz Dev. 10 19 30 mV[p-p] Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p] 8 Min ICs for VCR AN3664NFB ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued) Parameter Min Typ Max Unit fCL = 1.3 MHz fCR = 1.7 MHz ±50 kHz Dev. 0.1 2.0 6.0 dB ND1 f = 150 kHz, ND mode = 0 Dev. at V20 < 0.5 V 45 90 135 kHz Dev VU out level 2-L VVU2L Line out = −27 dBS, 1 kHz Gain = 1, HiFi-AGC mode 2.0 V VU out level 2-R VVU2R Line out = −27 dBS, 1 kHz Gain = 1, HiFi-AGC mode 2.0 V VU out level 3-L VVU3L Line out = −27 dBS, 1 kHz Gain = 1, Normal mode 2.6 V VU out level 3-R VVU3R Line out = −27 dBS, 1 kHz Gain = 1, Normal mode 2.6 V DOC hysteresis Forced normal on level 1 *2 Symbol DOC2 Conditions Note) *2: PB-FM input level: Single 140 mV[p-p], Mix. 280 mV[p-p] • 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 Data input (high-level) VHDATA At VCC = 5 V 3.5 5 V Data input (low-level) VLDATA At VCC = 5 V 0 1.5 V Clock input (high-level) VHCLOC At VCC = 5 V 3.5 5 V Clock input (low-level) VLCLOC At VCC = 5 V 0 1.5 V Mute CTL input VIHMUT Mute on 3.5 5 V Mute CTL input VILMUT Mute off 0 1.0 V f = 150 kHz, Mode 01 Dev. at V20 < 0.5 V 80 kHz Dev VRFCAG VIN = −10 dBS, f = 1 kHz −4 dBS VIN = −20 dBS, f = 1 kHz 0.02 % Forced normal on level 2 RF conv. AGC level Normal REC THD ND2 TNRO Normal input crosstalk 1 (Nor. REC in Select) CTNNO TV in = −10 dBS DIN audio −80 dB Normal input crosstalk 2 (Line in L/R mix. select) CTNLR Nor. rec. in = −10 dBS DIN audio −80 dB Normal input crosstalk 3 (Line in R select) CTNRR Nor. rec. in & TV in L = −10 dBS DIN audio −80 dB Normal input crosstalk 4 (Line in L select) CTNLL Nor. rec. in & TV in R = −10 dBS DIN audio −80 dB Carrier 3rd harmonic L 3HDL RF recording out −50 dB Carrier 3rd harmonic R 3HDR RF recording out −50 dB Limiter level PAL 1-L LIMP1L Pin 12 = 5 V, LIMP1L − fOL (PAL) −140 kHz Limiter level PAL 1-R LIMP1R Pin 25 = 5 V, LIMP1R − fOR (PAL) −140 kHz Limiter level PAL 2-L LIMP2L Pin 12 = 5 V, LIMP2L − fOL (PAL) −140 kHz Limiter level PAL 2-R LIMP2R Pin 25 = 5 V, LIMP2R − fOR (PAL) −140 kHz 9 AN3664NFB ICs for VCR ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, 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 1.3 MHz BPF frequency characteristics 4 BPF14 1.7 MHz/1.3 MHz −32 dB 1.3 MHz BPF frequency characteristics 6 BPF16 1.55 MHz/1.15 MHz −10 dB 1.7 MHz BPF frequency characteristics 4 BPF24 2.1 MHz/1.7 MHz −18 dB 1.7 MHz BPF frequency characteristics 5 BPF25 1.3 MHz/1.7 MHz −30 dB 1.7 MHz BPF frequency characteristics 6 BPF26 1.45 MHz/1.85 MHz −18 dB Envelope out 1 ENV1 VIN = 70 mV[p-p], Mix. Measure V21 1.0 V Envelope out 2 ENV2 VIN = 280 mV[p-p], Mix. Measure V21, ENV2 − ENV1 1.7 V REC → PB crosstalk CTRP fC = 140 mV[p-p], Mix. TV in = −10 dBS, PB −80 dB 1.4 MHz BPF frequency characteristics 4 BPF34 PAL 1.8 MHz/1.4 MHz −32 dB 1.4 MHz BPF frequency characteristics 6 BPF36 PAL 1.65 MHz/1.25 MHz −10 dB 1.8 MHz BPF frequency characteristics 4 BPF44 PAL 2.2 MHz/1.8 MHz −18 dB 1.8 MHz BPF frequency characteristics 5 BPF45 PAL 1.4 MHz/1.8 MHz −30 dB 1.8 MHz BPF frequency characteristics 6 BPF46 PAL 1.55 MHz/1.95 MHz −16 dB VU out level L VUOTL VIN = −20 dBS, 1 kHz 3.5 V VU out level R VUOTR VIN = −20 dBS, 1 kHz 3.5 V BPF group delay difference (fO ±100 kHz) GDBPF Difference of fO ±100 kHz 500 ns VCO fO dependence on temperature TVCO fO (Τ = −10°C) − fO (Τ = 75°C) 5 kHz Playback out level 1-L (PAL) VPO1LP VIN = 50 kHz, Dev 1 kHz Line out, Gain = high −6.0 dBS Playback out level 1-R (PAL) VPO1RP VIN = 50 kHz, Dev 1 kHz Line out, Gain = high −6.0 dBS Normal-off delay time MON Defined in FF timing 3 FF ENC attack time ENAT f = 5 kHz, VIN = Typ. −20 dB 4 ms ENC recovery time ENRT f = 5 kHz, VIN = Typ. −20 dB 65 ms Hold pulse width HPUL 10 µs 10 ICs for VCR AN3664NFB ■ Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, 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 VCO output R/L mix. ratio 2 VMIX2 D05 = 0, D04 = 1 10 dB VCO output R/L mix. ratio 3 VMIX3 D05 = 0, D04 = 1 9 dB Envelope output DC level in forced normal mode VENVN DC measurement (forced normal) Pin 20 DC potential measurement 0.15 V Envelope output impedance in forced normal mode RNEFN DC measurement (forced normal) Pin 20 impedance 400 Ω Output mute on impedance L ZOML DC measurement Pin 44 impedance 10 Ω Output mute on impedance R ZOMR DC measurement Pin 43 impedance 10 Ω ■ Terminal Equivalent Circuits Pin No. Equivalent circuit 1 Description E-VOL CTL (L-channel) VCC1 Voltage 3V Pin 1, 36 170 Ω 2 HiFi-AGC det. VCC1 No fixed 300 Ω 2 10 kΩ 10 kΩ 3 1 kΩ VCC1 50 kΩ 200 Ω 60 kΩ 1 kΩ 3 1/2 VCC1 VREF1: 1/2 VCC1 pin, but concurrently used for generation of ref. DC shift current of 1/2 VCC2 . 2.5 V 200 Ω 40 kΩ 50 kΩ 11 AN3664NFB ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. 4 5 Equivalent circuit VCC1 Description R1 1 kΩ Pin 4, 5, 34, 35 200 Ω 2.5 V AUX in (L-channel): Audio signal Typical: −20 dBS (1 kHz) 50 kΩ 2.5 V VREF R2 1 kΩ 6 VCC1 Same as a framed zone in pin 4 circuit (Input select) Pin 6, 7, 33 7 Same as a framed zone in pin 4 circuit (BS monitor) 50 kΩ 2.5 V VREF 8 TV in (L-channel): Audio signal Typical: −20 dBS (1 kHz) Voltage BS2 in (L-channel): Audio signal Typical: −20 dBS (1 kHz) BS1 in (L-channel): Audio signal Typical: −20 dBS (1 kHz) NR det. 1 (L-channel): Sets the weighting time constant for a noise reduction. Shown below is the CR constant setting example in the application circuit model: VCC1 Pin 8, 30 200 Ω 2.5 V 2.5 V T1 = 245 µs T2 = 24 µs Z Pin 8,30 f 9 NR det. 2 (L-channel) VCC1 1.35 V at no signal 3 kΩ 27 kΩ Pin 9, 29 300 Ω 2.7 kΩ 200 Ω 10 12 GND1 (L-channel) 0V ICs for VCR AN3664NFB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 11 VCC1 10 kΩ 10 kΩ 12.9 kΩ Description Voltage NR ref. (L-channel): This pin specifies a reference voltage for HiFi signal system. 2.5 V CCA out (L-channel): Audio signal Typical: −20 dBS (1 kHz) 2.5 V Emph. NF (L-channel) In recording, it enables you to evaluate without an external capacitor as a monitor pin for encode output. Typical: −11 dBS (1 kHz) The time constant in FM emphasis is determined by an external capacitance and an inside resistor. 2.5 V 5 kΩ 5 kΩ Pin 11, 27 12 kΩ 733 Ω 3.9 kΩ 500 Ω L-channel Pin 12 R-channel Pin 26 12 VCC1 1 kΩ L-channel Pin 11 R-channel Pin 27 Same as aframed zone in pin 4 circuit R1, R2 = 2.5 kΩ Pin 12, 26 12 kΩ 3.9 kΩ 1.5 kΩ 1.5 kΩ VCC1 10kΩ NR To VREF 10 kΩ 13 Pin 13, 25 10 kΩ 50 Ω R3 2 kΩ 50 Ω R4 3.6 kΩ L-ch.: R3 = 6.03 kΩ, R4 = 7.91 kΩ R-ch.: R3 = 6.07 kΩ, R4 = 7.5 kΩ 2.5 kΩ 14 N.C. 13 AN3664NFB ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 15 VCC1 200 Ω 15 500 Ω 16 Description Voltage REC FM out PB BPF monitor: The FM output in recording is an R+L mix output. The mixing ratio can be switched to 4 stages in serial. Pin 19 can output 5 V for L-channel and 0 V for R-channel (before mixing) independently. In playback, the BPF monitor output is linked with output channel switching. The output impedance is about 80 Ω. 2.5 Vat recording 2.5 V at BPF monitor 0V at PB stereo Clock in: High: 3.5 V to 5.0 V Low: 0 V to 1.5 V VCC1 500 Ω 5V 0V 1 kΩ Serial clock 16 50 kΩ 17 Same as a framed zone in pin 16 circuit Data in: High: 3.5 V to 5.0 V Low: 0 V to 1.5 V 5V 17 4 kΩ 0V Serial data 18 VCC1 18 100 µA 1 kΩ 50 kΩ Audio FF: (head switching pulse input) High: 3.5 V to 5.0 V Low: 0 V to 1.5 V 5V 2 kΩ 50 kΩ 25 kΩ 19 1 kΩ 2.5 V VCC1 20 kΩ 200 Ω 14 19 PB FM in: Input impedance: approx. 20 kΩ Typical input carrier level: 140 mV[p-p] (280 mV[p-p] at mixing) 2.5 V ICs for VCR AN3664NFB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 20 VCC1 800 Ω 200 Ω 20 10 kΩ 21 45 kΩ 100 kΩ VCC1 1 kΩ 1 kΩ 21 2 kΩ Description Voltage Envelope det. out Forced normal out: Terminal voltage varies according to L-channel input carrier level. At forced normal, output impedance is approx. 400 Ω. 1.8 V at typical carrier level input Noise det.: Detects the output which is the demodulated R-channel noise output through an built-in second order HPF (fC = 150K), with an external capacitor. 1.9 V or more 0V at forced normal 46 kΩ 22 PE 22 23 VCC1 50 kΩ 2 kΩ 2 kΩ Mute CTL: Mute on: 3.5 V or more Mute off: 1.0 V or less 1 kΩ No fixed 3 kΩ 3 kΩ 23 1 kΩ 24 1 kΩ Selective resistor pin: N.C. is possible at normal use. 24 0V 3 kΩ 25 Refer to pin 13 Emph. NF (R-channel): Refer to pin 13 Refer to pin 13 26 Refer to pin 12 CCA out (R-channel): Refer to pin 12 Refer to pin 12 15 AN3664NFB ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description Voltage 27 Refer to pin 11 NR ref. (R-channel): Refer to pin 11 Refer to pin 11 28 GND1 (R-channel) Refer to pin 10 29 Refer to pin 9 NR det. 2 (R-channel) Refer to pin 9 30 Refer to pin 8 NR det. 1 (R-channel): Refer to pin 8 Refer to pin 8 31 VCC1 (R-channel) 32 VCC1 Same as a framed zone in pin 4 circuit (Input select) 32 Same as a framed zone in pin 4 circuit (BS monitor) 50 kΩ 2.5 V VREF 5V BS1 in (R-channel) and Nor. rec. in: Audio signal Typical: −20 dBS (1 kHz) Note) Because of using the same pin for both R-channel BS1 and Nor. rec. in, HiFi input is 3 input/ch. in using as normal input. Same as a framed zone in pin 4 circuit (Normal input select) 33 Refer to pin 6 BS2 in (R-channel): Refer to pin 6 Refer to pin 6 34 Refer to pin 4 AUX in (R-channel): Refer to pin 4 Refer to pin 4 35 Refer to pin 4 TV in (R-channel): Refer to pin 4 Refer to pin 4 36 Refer to pin 1 E-VOL CTL (R-channel): Refer to pin 1 Refer to pin 1 37 VCC1 Normal in 2.5 V Normal out 2.5 V 1 kΩ 200 Ω 37 150 kΩ 2.5 V VREF 38 1 kΩ VCC1 38 500 Ω 39 16 VCC2 12 V or 9 V ICs for VCR AN3664NFB ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 40 Description RFC AGC det.: Recovery current source built in VCC1 Voltage 0 V at no signal 1 V at standard signal input (+10 dB) 500 Ω 40 10 kΩ 41 1 kΩ 10 kΩ VCC2 10 kΩ RF conv. out: Output impedance: approx. 20 Ω 10 kΩ 41 50 Ω 10 kΩ 50 Ω 10 kΩ 24 kΩ 6.0 V at using VCC2 = 12 V 4.5 V at using VCC2 = 9 V Same as aframed zone 6 kΩ 42 43 44 GND2 Mute R: Impedance at mute: 20 Ω or less 6.5 V Pin 43, 44 130 Ω Mute L: Impedance at mute: 20 Ω or less 45 Line out R: Output impedance: approx. 20 Ω VCC2 Pin 45, 46 Not fixed 50 kΩ Same as aframed zone 46 0V 50 Ω 10 kΩ 50 Ω 10 kΩ 6.0 V at using VCC2 = 12 V 4.5 V at using VCC2 = 9 V Line out L: Output impedance: approx. 20 Ω 24 kΩ Same as aframed zone 3 kΩ 17 AN3664NFB ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 47 VCC2 VU out R: Half-wave rectification output 6.5 V 5 kΩ 200 Ω 48 Pin 47, 48 18 25 kΩ VU out L: Half-wave rectification output Voltage 3.5 V at standard signal input (−20 dBS) ICs for VCR AN3664NFB ■ Application Notes • Serial control timing specification 1. Start and stop conditions Data tBUF tLOW tr Clock Stop condition Start condition tHD; STA tSU; STO Stop condition 2. Data recognition condition Data is Stable data line: Valid data variable. Data (Pin 17) tf tHIGH Clock (Pin 16) tSU; DAT tHD; DAT 3. Recommended operation condition Parameter Symbol Min Max Unit Bus free time between stop and start conditions tBUF 4.7 µs Hold time start condition (First clock pulse is generated after this period.) tHD; STA 4.0 µs tLOW 4.7 µs tr 1 000 ns Setup time of stop condition tSU; STO 4.0 µs Data setup time tSU; DAT 250 ns tHIGH 4.0 µs tf 300 ns tHD; DAT 5.0 µs fSCL 0 100 kHz Clock low state hold time Rise time of data and clock signals Clock high state hold time Fall time of data and clock signals Data hold time Clock frequency 19 AN3664NFB ICs for VCR ■ Application Notes (continued) • Serial control timing specification (continued) 4. Data specification 1) Slave address: 1 1 1 0 1 0 0 0 2) Slave address format S SLAVE ADDR. Start condition A SUB ADDR. A DATA BYTE A Acknowledge bit P Stop condition 3) Function (sub-address byte and data byte format) Note) The underlined values show an initial state at power on. AN3664NFB serial mode Data Sub- byte address D7 D6 (HEX) Recording/ Playback BS monitor input 00 01 0 = Playback 0 = BS1 1 = Recording 1 = BS2 Recording FM mix. ratio (0, 0) = 11 dB (R/L) (0, 1) = 10 dB (1, 0) = 9 dB (1, 1) = 8 dB Line amp gain setting DOC select Nor. detection*1 0 = NTSC 1 = PAL 0 = −6.0 dBs 1 = −7.5 dBs 0 = On 1 = Off 0 = 2.55 V 1 = 2.35 V (0, 0) = Prohibition (0, 1) = Low shift (1, 0) = High shift (1, 1) = Typical ND select forced normal on/off (0, 0) = Prohibition (0, 1) = Low shift (1, 0) = High shift (1, 1) = Typical (0, 0) = Prohibition (0, 1) = High Shift (1, 0) = Low Shift (1, 1) = Typical (0, 0) = Prohibition (0, 1) = High shift (1, 0) = Low shift (1, 1) = Typical Nor. input select (0, 0) = Nor. rec. in (0, 1) = R-channel (1, 0) = L-channel (1, 1) = L/R mix. (0, 0) = TV (0, 1) = AUX (1, 0) = BS2 (1, 1) = BS1 Output mode select (0, 0) = HiFi (0, 1) = Mix. (1, 0) = Normal (1, 1) = BS monitor Test*2 D0 Output channel select (SW 17, 19) (0, 0) = Stereo (0, 1) = L-channel (1, 0) = R-channel (1, 1) = ×××× Zap mode*2 VCC2 select Power save 0 = DAC 1 = PROM 0=9V 1 = 12 V 0 = Off 1 = On D53 D43 D33 D23 D13 D03 DACR(5)*2 NTSC DACR(4)*2 NTSC DACR(3)*2 NTSC DACR(2)*2 NTSC DACR(1)*2 NTSC DACR(0)*2 NTSC D54 D44 D34 D24 D14 D04 DACL(5)*2 NTSC DACL(4)*2 NTSC DACL(3)*2 NTSC DACL(2)*2 NTSC DACL(1)*2 NTSC DACL(0)*2 NTSC D55 D45 D35 D25 D15 D05 DACR(2)*2 PAL DACR(1)*2 PAL DACR(0)*2 PAL DACL(2)*2 PAL DACL(1)*2 PAL DACL(0)*2 PAL Note) *1: Described as 21-pin DC voltage. *2: Used for the inspection. 20 HiFi input select D1 0 = Off 1 = On PBOUT R-channel adj.*2 05 D2 0 = Off 1 = On PBOUT L-channel adj.*2 04 HiFi AGC D3 0 = On 1 = Off BPF R-channel adj.*2 03 D4 NTSC/PAL BPF L-channel adj.*2 02 D5 ICs for VCR AN3664NFB ■ Application Notes (continued) • Serial control timing specification (continued) 5. Usage notes Serial data transmission You need to send the start and stop conditions every time you send one line of data. To change a serial mode setting, you have only to send one line of data on the part to be changed. 3rd line of data Stop ACK Data ACK ACK Stop Data ACK Sub address ACK Address Start ACK Stop Data ACK Sub address ACK 2nd line of data Address Start 1st line of data Sub address ACK Address Start ACK Stop Data ACK Sub address ACK Address Start <Example: in case of sending all data of four lines> 4th line of data 21 22 PE Mute CTL (Open or High = On) 23 22 N.C. 24 0.22 µF 21 F0−adj. R-channel DAC (NTSC/PAL) VCO Rec. LPF HPF Noise det. Hold timing Liner SW Logic PC S/H SW noise SW9 Audio limit PB LPF R-ch. BPF FM Lim. L-ch. BPF L L Mute R SW17 CCA 10 kΩ 12.9 kΩ PB trap LPF Buffer 10 kΩ Peak det. Det. LPF SW7 L RSW19 Normal Hi-Fi SW18 R BS2 BS1 Mute Mix Mix Normal BS1 SW16 SW1 EVOL /AGC SW6 6 Noise det. Forced normal (Nor. = L, HiFi = H) (commonly used for ENV det. out) 0.01 µF 20 0.01 µF 19 18 17 BS2 Hi-Fi PB FM input L/R mix. = 280 mV[p-p] Audio FF input data clock PB trap LPF 10 kΩ 47 48 10 µF (3.6 V) 37 38 39 40 42 41 43 36 35 34 33 31 30 29 27 26 1 µF TV in (R) 1 µF AUX in (R) 1 µF BS1 in (R) &Nor. rec. in 32 BS2 in (R) 1 µF V CC1 (5 V) 4.7 kΩ 510 Ω 2.2 µF 28 GND1 R NR ref. (R) 100 µF 0.015 µF CCA out (R) 25 Emph. (R) 0.01 µF 33 µF Typical input level = (1 kHz, −20 dBs) 0.22 µF 10 µF 47 µF 10 µF 45 44 10 µF 46 Log Log 150 kΩ Nor. rec. in Det. RFC Amp. Amp. Input SW R SW22 L+R L VREF1 1/2VCC (5 V) Input SW 2 I2C PC 12 PB LPF 100 µF Mix. 11 16 Rec. 0.015 µF CCA out (L) SW4 10 Audio limit GND1 L NR ref. (L) Rec. LPF 8 0.01 µF PB 510 Ω 9 33 µF 22 µF EVOL SW2 /AGC 1 µF 15 0.047 µF 7 12.9 kΩ 4.7 kΩ CCA 1 µF VCO BS1 in (L) 5 10 kΩ BS2 in (L) 1 µF 4 SW noise AUX in (L) 1 µF 3 Det. LPF TV in (L) 22 µF Peak det. 4.7 MΩ Rec. FM out (Mix.) (commonly used for BPF monitor) 4-stage serial setting available for R/L ratio of 8, 9, 10, 11 dB, respectively F0−adj. L-channel DAC (NTSC/PAL) S/H 1 I2C 13 VREF1 N.C. 14 10 µF 0.01 µF Emph. (L) Typical input level = (1 kHz, −20 dBs) Normal out (1 kHz, −20 dBs) Normal in (1 kHz, −20 dBs) VCC (12 V) RF conv. AGC det. RF conv. out (1 kHz, −6 dBs) Line out (R) Typical output level (1 kHz) At Gain = Low: −7.5 dBs At Gain = High: −6 dBs Line out (L) VU out (R) VU out (L) AN3664NFB ICs for VCR ■ Application Circuit Example 0.047 µF