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| ICs for VCR AN3375S 2-head recording/playback amplifier IC (V2) for a stand-alone VHS-VCR s Overview The AN3375S is a two-head recording/playback amplifier IC for a VHS-VCR enabling a fewer pin package. The package is 16-pin, 1.27 mm pitch SO type. The power supply is 5 V single source. 10.090.20 16 9 Unit: mm 4.300.20 6.400.30 0.15-0.05 +0.10 0 to 10 s Features * Recording current without adjustment (Zener zap method) * Damping-less amplifier for playback-system * Built-in auto tracking circuit 0.500.20 0.650.10 1.500.20 0.650.10 0.100.10 1 8 (0.60) 1.27 0.400.10 Seating plane s Applications * Stand-alone type VHS-VCR Seating plane SOP016-P-0225C s Block Diagram Auto-tracking out Video VCC (5 V) GND (video) Chroma out REC/PB GCA control 16 15 14 13 12 11 10 AT Amp. chroma Zener ZAP L L HA2 H R HA1 1 2 3 4 5 6 7 V. REC out N.C. N.C. CH2 in CH1 in HSW GND N.C. 8 9 REC in N.C. 1 AN3375S s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 Description Video head SW Video head amp. input CH2 GND (video small signal) Video head amp. input CH1 Video REC out N.C. N.C. N.C. Pin No. 9 10 11 12 13 14 15 16 ICs for VCR Description Video REC input Auto tracking out Auto tracking GCA control GND Video chroma out N.C. REC/PB select SW Video VCC s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 *1 Symbol Video VCC ICC PD Topr Tstg Rating 6 300 -20 to +70 -55 to +150 Unit V mA mW C C Operating ambient temperature Storage temperature *1 Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is for the IC package in free air at Ta = 70C. s Recommended Operating Range Parameter Supply voltage Symbol Video VCC Range 4.5 to 5.5 Unit V s Electrical Characteristics at Ta = 25C Parameter Video VCC I total (PB) Video HSW Threshold voltage REC/PB SW Threshold voltage Video CH1 gain Video CH2 gain Symbol I16(PB) VTH1 VTH15 G4-13 G2-13 Conditions Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Min 13 1.5 1.5 55 55 Typ (20) (2.5) (2.5) (59) (59) Max 27 3.5 3.5 63 63 Unit mA V V dB dB Note) The standard values in the parenthesis are the typical values and not the guaranteed ones. 2 ICs for VCR s Electrical Characteristics at Ta = 25C (continued) Parameter Noise referred to video CH1 input Noise referred to video CH2 input Video HSW DC unbalance Output without auto tracking input Auto tracking maximum output Video CH2/CH1 gain ratio Video VCC I total (REC) Video REC current output Symbol N4-13 N2-13 VHSW V10min V10max G12-13 / G14-13 I16(REC) I5 Conditions Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: High Video VCC = 5.0 V REC/PB SW: High Min 0 4.0 -2 24 27.9 Typ (0.5) (4.5) (0) (37) 30 AN3375S Max 1.0 1.0 Unit V[rms] V[rms] 100 mV[p-p] 1.0 2 50 V V dB mA 32.1 mA[p-p] Note) The typical value in the parenthesis is the typical value and not the guaranteed one. * Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Auto tracking output voltage 1 Auto tracking output voltage 2 Video REC Current secondary distortion Video REC Cross modulation relative level Video HSW Crosstalk Video PB Frequency characteristics ratio Video REC 8 MHz frequency characteristics ratio Video REC Current output *1 Symbol V10L V10H D5 MD5 CTH13 Conditions Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: Low Video VCC = 5.0 V REC/PB SW: High Video VCC = 5.0 V REC/PB SW: High Video VCC = 5.0 V REC/PB SW: Low Min 3.4 1.5 3/4 -4.5 -4.5 28.5 Typ 3.7 1.9 -45 -48 (-2.5) (-2.5) 30 Max 4.0 2.3 -40 -40 Unit V V dB dB dB dB dB V13H / V13 Video VCC = 5.0 V REC/PB SW: Low ISH / IS I5 Video VCC = 5.0 V REC/PB SW: High Video VCC = 5.0 V REC/PB SW: High 31.5 mA[p-p] Note) The typical value in the parenthesis is the typical value and not the guaranteed one. *1: Video REC current output (I5) is controlled in the shipping inspection of this IC. Because it is affected by the PCB or the cylinder, be cautious in handling it. 3 AN3375S s Terminal Equivalent Circuits Pin No. 1 Equivalent circuit Description Head SW ICs for VCR Voltages/Waveform Input sygnal 3 k 23 k 1 3 k 2.5 V 5V 0V 3 k 2 20 PB: On REC: On 300 Video head amp. ch.2 input 0.7 V or 2.5 V 20 2 PB: On 3 4 20 PB: On GND (video small signal) Video head amp. ch.1 input REC: On 300 0.7 V or 2.5 V 20 4 PB: On 5 10 120 Video REC EP out 2.5 V 10 5 4 ICs for VCR s Terminal Equivalent Circuits (continued) Pin No. 6 7 8 9 23 k AN3375S Equivalent circuit N.C. Description Voltages/Waveform Video REC input 1.4 V 18 k 20 k 9 200 10 Auto tracking out DC 30 k 20 10 11 11 Auto tracking GCA control DC 9.4 k 12 13 GND (video) Video chroma out 10 pF PB: On 13 30 k 5 AN3375S s Terminal Equivalent Circuits (continued) Pin No. 14 15 Equivalent circuit N.C. REC/PB select SW Description ICs for VCR Voltages/Waveform 5V 3 k 23 k 69 k 15 3 k 0V 69 k 16 Video VCC s Application Circuit Example Video VCC 5V 100 H Chroma out 24 k 39 k REC/PB AT 47 F 0.01 F 1 F REC in 8 9 16 15 14 13 12 11 N.C. AT Amp. chroma Zener ZAP L L HA2 H R HA1 1 0.1 F 2 3 4 5 6 1 000 pF 0.1 F 10 H 10 H N.C. N.C. 7 10 6 HSW N.C. 0.01 F 18 k |
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