AN3389SB

ICs for VCR AN3389SB Recording/Playback Amplifier IC for 4-Head VCR s Overview The AN3389SB is a multi-functional recording and playback IC with built-in auto-tracking interface, and automatic head selector at special playback for 4-head VCR. 0.35±0.1 Unit : mm s Features • Single power supply : VCC=5V typ. • Built-in AGC circuit for recording current control • Automatic head switching for special playback • Built-in an automatic tracking interface 0.8 15.2±0.3 0.1±0.1 0.2 – 0.05 0.5 8.4±0.3 11.93±0.3 36-Pin SSOP Package (SSOP036-P-0450A) s Absolute Maximum Ratings (Ta=25 ˚C) Parameter Supply voltage Note 2) Symbol VCC ICC Rating 5.6 160 930 –20 to + 70 –55 to + 125 Unit V mA mW ˚C ˚C Supply voltage Note 2) Power dissipation Note 3) Operating ambient temperature Note 1) Storage temperature Note 1) PD Topr Tstg Note 1) Ta=25˚C except operating ambient temperature and storage temperature. Note 2) Guaranteed values if RADJ is 20kΩ or more. If RADJ is less than 20kΩ, ensure that the stated power dissipation is not exceeded. Note 3) The power dissipation is that of a package at Ta=70˚C as mounted on the standard PC board. s Recommended Operating Range (Ta=25˚C) Parameter Operating supply voltage range Symbol VCC Range 4.5V to 5.5V 1.3±0.25 + 0.1 1.3±0.25 2.85±0.2 1 2 VCC 0.01µF 0.002 µF 390pF EPSPSW (EP : H, PB AN3389SB s Block Diagram 0.1µF 0.002 µF 390kΩ RADJ 47kΩ 0.01 µF 10kΩ 0.022 µF VASEL SLOW SW(VIDEO : H, RECEQ AUDIO : L) AGC OUT AGC DET PBRECSW PLUSCFB AGC RECIN IN ICCADJ RECAGCADJ MUTE AUDIO IN 36 35 34 33 32 31 30 VC C 2 PB OUT GND3 ATOUT SP : L) DEF OUT DEF IN SYNC CONT SW 29 28 27 26 25 24 23 22 21 20 19 EF Det. Amp. Amp. LOGIC (EvSWControl) HPF AT OUT TIM MUTE SW MUTE SW AGC HASW EP ENV ENV COMP SW SP 1kΩ V–I Amp. S/H V–I Det. EP (+) VCA SP (+) HASW2 HASW1 2 CHARGE Rec Det. CH3 SW9 SW10 CH4 CH3 SW8 SW7 CH4 EP SP (–) SP SW3 SW6 1 VCC1 CHARGE DUMP3 EPCOM RECAGC DET 1kΩ SW4 EP (–) SW2 SW5 SW1 (–) (–) 2 3 4 7 CH4 68pF REF 8 1kΩ 9 1kΩ 10 11 DUMP2 DUMP1 SPCOM 5 6 CH3 GND1 VCC 47kΩ 100µF 33 VCC (typ.5V) µF 0.01 µF + – 0.1 µF 0.01 µF 68pF 0.1µF HEAD 0.1µF HEAD 0.01 µF 0.01 µF 12 13 14 15 16 17 18 CH1 GND2 CH2 HOLD DUMP2 AGCTL VGCTL 68pF MINDCFB 1kΩ 0.1 68pF µF 0.1µF HEAD 0.1µF HEAD 0.01µF VCC ICs for VCR 47kΩ ICs for VCR s Electrical Characteristics (Ta=25±2˚C) Parameter PB quiescent current Rec quiescent current SLOW SW input "L" (Pin36) Rec/PB input "L" (Pin33) MUTE SW input "L" (Pin20) EP/SP input "H" (Pin25) EP/SP input "L" (Pin25) DRUM FF input "H" (Pin23) DRUM FF input "L" (Pin23) SYNC input "H" (Pin22) SYNC input "L" (Pin22) PB CONT input "H" (Pin21) PB CONT input "M" (Pin21) PB CONT input "L" (Pin21) DRUM FF output "H" (Pin24) DRUM FF output "L" (Pin24) PB voltage gain Between CHs gain difference PB output 2nd harmonics distortion Input-conversion noise Head change-over DC unbalance SP selection in AUTO EP selection in AUTO AGC level AGC control characteristics AGC output 2nd harmonics distortion Rec amp. gain Rec AGC level Rec AGC control characteristics Recording current 2nd harmonics distortion Muting ratio Common terminal ON resistance Input terminal ON resistance Output DC drift VCA output voltage 1 (amp. gain) VCA output voltage 2 (amp. f characteristics) VCA output voltage 3 CHARGE Pin2 VCA output voltage 4 CHARGE Pin2 Symbol IPCQ IRCQ VSL VRP VMS VESH VESL VDFH VDFL VSYH VSYL VPCH VPCM VPCL VDOH VDOL GV ∆GV HDP2 NV ∆V23 VSP VEP VAGC ∆VAGC HDA2 IOR IAGC ∆IAGC HDR2 MR RC RI ∆VCC VCA1 VCA2 VCA3 IOUT= –2mA IIN= 2mA f= 4MHz, 0.5mVP–P, CH1 to CH4 f= 4MHz, 0.5mVP–P, CH1 to CH4 f= 4MHZ, 0.5mVP–P, 8MHz/4MHz Rg= 10Ω, 1MHzBPF, output/GV Rg= 10Ω, output DC difference CH1, CH4 input,Pin24 DC measurement CH2, CH3 input,Pin24 DC measurement f= 4MHz, 40mVP–P f= 4MHz, 500mVP–P f= 4MHz, 500mVP–P f= 4MHz, 20mVP–P f= 4MHz, 125mVP–P RAGC= 18kΩ f= 4MHz, 250mVP–P RAGC= 18kΩ f= 4MHz, 125mVP–P RAGC= 18kΩ f= 4MHz, 125mVP–P RAGC= 18kΩ SW5, SW6 ON SW1 to SW4 ON Supply voltage when Rec circuit is not operating in PB Video side 6dB amp. f= 4MHz, 1mVP–P Video side 6dB amp. f= 4MHz/6MHz, 1mVP–P AUDIO–SP mode 1.2VP–P input VIR= 120kΩ AUDIO–SP mode 0.2VP–P input VIR= 120kΩ 260 17.8 0 – 40 – 45 5 5 4.5 – 0.15 – 0.15 0.30 0.50 0.05 0.05 0.70 0.75 0.30 0.30 1.20 1.00 –100 0 4.0 255 0 –50 360 20.0 320 0 At PB At Rec Input level at SLOW Input level at Rec Input level at MUTE OFF Condition min 60 90 0 0 0 2.9 0 1.7 0 1.5 0 3.8 1.9 0 4.0 0 57.5 –1.0 60.0 0 – 45 typ 85 120 max 110 150 1.8 1.3 1.4 5.0 2.1 5.0 1.0 5.0 0.7 5.0 3.1 1.1 5.0 1.0 62.5 1.0 – 40 100 1.0 5.0 390 2 – 40 465 22.4 1.2 –35 – 40 10 10 AN3389SB Unit mA mA V V V V V V V V V V V V V V dB dB dB mV V V mVP–P dB dB mS mAP–P dB dB dB Ω Ω V V V V V Note PB PB PB PB PB PB PB PB PB PB Rec Rec Rec Rec Rec 1.0 µVrms PB PB PB PB VCA4 3 AN3389SB s Electrical Characteristics (cont.) (Ta=25±2˚C) Parameter VCA output voltage 5 CHARGE Pin2 Droop voltage HOLD Pin15 Saturation voltage (VCC side) ATOUT Pin26 Saturation voltage(GND side) ATOUT Pin26 Offset voltage ATOUT Pin26 V/A SEL input "L" (Pin35) Crosstalk PB output 3rd harmonics distortion AGC output 3rd harmonics distortion Recording current 3rd harmonics distortion Recording current cross modulation (±fc) Recording current cross modulation (±2fc) Symbol VCA5 Condition AUDIO–SP mode 0.1VP–P input VIR=120kΩ AUDIO–SP mode 0.4VP–P input HOLDC= 0.01µF AUDIO –SP mode 0.6VP–P input HOLDC= 0.01µF AUDIO–SP mode 0.6VP–P input HOLDC= 0.01µF AUDIO–SP mode in no signal Input condition HSW, HASW change-over Rg=10Ω f= 4MHz, 0.5mVP–P 12MHz/4MHz f= 4MHz, 500mVP–P f= 4MHz, 125mVP–P fy= 4MHz, 20mAP–P fc= 630kHz, –13dB fy= 4MHz, 20mAP–P fc= 630kHz, –13dB 0 min 0.50 typ 0.75 max 1.00 ICs for VCR Unit V Note PB VDLP 50 150 mV PB VSAT 4.6 4.9 V PB GSAT VOFS VATH CT HDP3 HDA3 HDR3 CM1 CM2 0.1 0.1 0.4 0.4 0.7 (–35) V V V dB dB dB dB dB dB PB PB PB (– 45) (–50) (– 45) (– 40) (– 40) (– 40) (–50) (–50) s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 VCC CHARGE Pin name Note) Values with an asterisk are typical ones and not guaranteed values. s Reference Pin No. Pin name 17 AFM signal gain control input 18 VFM signal gain control input 19 AFM signal input 21 Playback mode control input 22 SYNC signal input 23 DRUM FF signal input 24 DRUM FF signal output 25 EP/SP switch input 26 Automatic tracking signal output 27 GND 28 Playback amp. output 29 VCC 30 Rec. AGC level adjustment 31 Playback AGC signal input 32 33 Playback AGC detection Rec. positive amp. DCFB Playback AGC signal output Playback/Rec. switch input Power dissipation PD (mW) PD—Ta 1800 1600 1453 1400 1200 1008 1000 800 600 400 200 0 0 25 50 75 100 125 150 Glass-epoxy board (50mm × 50mm × t 0.8mm) Rthj—a=86˚C/W PD=1453mW (25˚C) IC without heatsink Rthj-a=124˚C/W PD=1008mW (25˚C) Rec AGC detection Ch3 damping adjustment Playback common Rec. EP (+) amp. output Playback amp. ch3 signal input Rec. EP (–) amp. output GND Playback amp. ch4 signal input Rec. EP (–) amp. output Playback ref. voltage output Ch4 damping adjustment Playback common 20 Rec. mute switch input 10 Ch1 damping adjustment 11 12 Rec. SP (+) amp. output Playback amp. ch1 signal input Rec. SP (–) amp. output Playback amp. ch2 signal input Rec. SP (–) amp. output HOLD Rec. (–) amp. DCFB Ambient temperature Ta (˚C) 13 GND 14 15 34 Rec. amp. signal input 35 VFM/AFM switch input 36 Slow switch input Rec. equalization 16 Ch2 damping adjustment 4 ICs for VCR s Pin Descriptions Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit AN3389SB Description VCC (5V) 1 VCC1 5V 1 Power supply input for playback and recording amplifiers (For playback) 5kΩ 5kΩ 2 CHARGE 1.25V (PB) 200Ω 2 0.1µF Integration output of automatic tracking interface peak detection signal for the playback mode. An external capacitor is connected to this pin for integration function. (For recording) Recording AGC detection. Connected to an external capacitor for the recording mode 2 0.1µF 2 Rec. AGC Det. 200Ω 15kΩ 15kΩ 3 9 10 16 DUMP3 DUMP4 DUMP1 DUMP2 1.65V (PB) 36kΩ 70kΩ 3 5kΩ (9) (10) (16) Head amplifier damping adjustment. Connected to an external resistor (For recording) 10Ω 4 11 EPCOM SPCOM 2.2V (Rec) 4 100Ω 100Ω (11) Recording current output for the recording mode. Pin4 (EPCOM) is terminated in the SP mode, and Pin11 (SPCOM) is terminated in the EP mode. 10Ω 5 AN3389SB s Pin Descriptions (cont.) Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit (For playback) 5 7 12 14 CH3 CH4 CH1 CH2 0.69V (PB) 50kΩ 15kΩ ICs for VCR Description 5 (7) (12) (14) Playback amplifier input for the playback mode (For recording) 5 7 12 14 CH3 CH4 CH1 CH2 2.2V (Rec) 20Ω 5 150Ω 100Ω (7) (12) (14) 20Ω Recording current output for the recording mode 6 GND1 0V 6 Ground for playback and recording amplifiers in the EP mode 5kΩ 8 REF 3.2V 8 Reference voltage output for playback amplifiers 5kΩ 24kΩ 13 GND2 0V 13 Ground for playback and recording amplifiers in the SP mode 6 ICs for VCR s Pin Descriptions (cont.) Pin No. PIn name DC voltage (VCC=5V) Equivalent circuit (For playback) 15 200Ω AN3389SB Description 15 HOLD 1.25V (PB) 0.1µF Peak hold of automatic tracking interface peak detection integration signal for the playback mode. An external capacitor is connected to this pin for peak hold function. (For recording) MIN DCFB 2.2V (Rec) 100Ω 15 150Ω 100Ω 15 0.1µF Connecting to an external capacitor for recording amplifier DC voltage feedback at the recording mode 46KΩ 17 18 AGCTL VGCTL 2.5V 2.8KΩ 17 18 2.8KΩ 46KΩ 2.5V Gain control of automatic tracking interface amplifiers.Pin17(AGCTL) controls the gain in the audio mode, and Pin18 (VGCTL) controls the gain in the video mode. (For playback) AUDIO -IN 2.5V for playback, and 0.7V for recording 200Ω 20kΩ 19 19 Automatic tracking interface audio FM signal input (For recording) MUTE 20 SW 20 200Ω 20kΩ 25kΩ 25kΩ 10kΩ Mute control for the recording mode. Muting is on at low and OFF at high (open). 7 AN3389SB s Pin Descriptions (cont.) Pin No. Pin name DC voltage (VCC=5V) (For playback) 20kΩ ICs for VCR Equivalent circuit Description 21 PBCONT 21 200Ω 20Ω Playback mode control. Manual, auto, or still/slow mode is selected when this pin is high, middle, or low respectively. Pin36 selects still or slow mode. 50kΩ 22 SYNC 22 200Ω SYNC signal input. Recording AGC operates when this pin is high. 200Ω 23 DFF IN 23 DRUM.FF signal input 20kΩ 20kΩ Color rotation control signal output. 24 DFF OUT 24 This pin goes low when + azimuth head (ch1 or ch3) is selected, and goes high when – azimuth head (ch2 or ch4)is selected. 25 EPSPSW 5V 25 200Ω EP/SP mode selection control. The EP mode is selected when this pin is high, and the SP mode is selected when this pin is low. 8 ICs for VCR s Pin Descriptions (cont.) Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit AN3389SB Description 26 AT OUT 0.1V 26 Peak hold voltage output of automatic tracking interface peak detection integration signal for the playback mode. In the recording mode, this pin is forcibly terminated. 27 GND3 0V 27 Ground 4.8kΩ 200Ω 28 FM OUT 3.2V for playback 420Ω 28 Playback amplifier output VCC (5V) 29 VCC2 5V 29 VCC ICC ADJ 30 Rec AGC ADJ 3.4V 200Ω 30 Recording amplifier idle-current control as well as recording AGC level control 9 AN3389SB s Pin Descriptions (cont.) Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit ICs for VCR Description 31 31 AGC IN 3.6V for playback 6kΩ 200Ω 400Ω AGC amplifier input (For playback) 32 AGC Det. 0.1µF 32 AGC amplifier detection. Connected to an external capacitor 32 PLUS DCFB 2.2V for recording 100Ω 100Ω 32 0.1µF Connecting to an external capacitor for recording amplifier DC voltage feedback for the recording mode. 50kΩ AGC OUT 33 PB Rec SW 3.1V for playback 33 AGC amplifier output as well as playback/recording mode selection control. Recording mode is selected when this pin is low. 34 34 Rec IN 3V 5kΩ 200Ω Recording signal input 10 ICs for VCR s Pin Descriptions (cont.) Pin No. Pin name DC voltage (VCC=5V) Equivalent circuit AN3389SB Description 50kΩ 35 VASEL 5V 35 200Ω Video/audio mode-selection control for automatic tracking interface. Video mode is selected when this pin is high (open), and audio mode is selected when this pin is low. 50kΩ SLOW SW 5V for playback 36 200Ω Still/slow mode selection control. Still mode is selected when this pin is high (open), and slow mode is selected when this pin is low, under the condition that Pin21 (PB CONT) is low. 36 36 Rec EQ 3.7V for recording 960Ω 200Ω Recording equalization 11