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| ICs for VCR AN3341SC 6-Head VCR Recording/Playback Amplifier IC s Overview The AN3341SC is a recording/playback amplifier IC for 6-head VCR. It is suitable for 19- head, EP-mode only, table-type VCR. 0.45 Unit : mm s Features * Playback VCC=5.0V, recording VCC=12V * Built-in RF-AGC circuit * Built-in automatic tracking I/O circuit * Built-in envelope comparator circuit 0.10.1 1.0 9.50.3 11.50.3 42-Pin SSOP package (SSOP042-P-0450) s Block Diagram Chroma Out Y - IN 1.5k AT TRAP Rec VCC 12V 100H 1.7k 0.01 F 3.9k 1200pF 47F HASW normal EP /other AGC TRICK C - IN Out H AT GCA AT Out ENV OFF H ENV Out 180 H 0.1F 330pF 0.1F 1F 30k 0.1F 2.00.2 0.3 0.15 0.9 0.01F 0.01F + 42 41 40 39 38 37 36 35 34 33 32 31 TRAP 30 29 Det. 28 27 26 25 24 23 22 HASW : L ON AGC Det. PB Logic AGC Peaking Amp. Chroma Amp. ENV Det. Mix. ENV Det. ENV Comp. H L H L L H H to Rec. Circuit R HA6 L L SP L HA5 R' HA4 H L H SP normal EP TRICK EP L' HA3 L HA2 R HA1 normal EP PB VCC 100H 5V 47F 0.01F 1 2 3 4 0.1F 100 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 0.01F 0.01F 0.1F 0.1F 100 100 0.01F 0.01F 0.1F 0.1F 100 100 0.01F 0.01F 0.1F 0.1F 0.01F 0.1F 100 1000pF HSW D - Rec H 470 470 21.250.3 0.350.1 ICs for VCR s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Pin name Playback VCC Head switching D-Rec. switching Ch6 head amp. damping Ch6 head amp. input Small-signal ground Ch5 head amp. input Ch5 head amp. damping Ch4 head amp. damping Ch4 head amp. input Small-signal ground Ch3 head amp. input Ch3 head amp. damping Ch2 head amp. damping Ch2 head amp. input Small-signal ground Ch1 head amp. input Ch1 head amp. damping Rec. current amp. (SP)output Rec. feedback Rec. current amp. (EP)output Pin No. 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Pin name Rec. VCC Rec. current emphasis Peaking for recording ENV output ENV OFF switching Automatic tracking ground Automatic tracking output Automatic tracking detection Automatic tracking GCA control Automatic tracking TRAP Automatic tracking VCC Recording Y-input Chroma output Large signal ground Peaking amp. (playback) Recording C-input Trick switching AGC output AGC. Det Normal EP/other switching HASW AN3341SC s Absolute Maximum Ratings Parameter Supply voltage Power dissipation Note 2) Operating ambient temperature Note 1) Storage temperature Note 1) Symbol VCC PD Topr Tstg (1) (2) PB VCC Rec VCC 430 - 20 to +70 - 55 to +125 Rating 6 13 Unit V mW C C Note 1) Ta=25C except operating ambient temperature and storage temperatures. Note 2) Allowable power dissipation of the package at Ta=70C. s Recommended Operating Range (Ta = 25C) Parameter Operating supply voltage range (1) Operating supply voltage range (2) Symbol PB VCC Rec VCC Range 4.5V to 5.5V 11.5V to 12.5V AN3341SC s Electrical Characteristics (Ta = 252C ) Parameter PB circuit current CH1 gain CH2 gain CH3 gain CH4 gain CH5 gain CH6 gain HSW threshold level HASW threshold level Normal EP/other threshold level Trick SW threshold level AGC output amplitude AGC control sensitivity HSW DC unbalance (I) HSW DC unbalance (II) HSW DC unbalance (III) HASW DC unbalance (I) HASW DC unbalance (II) Input conversion noise CH1 Input conversion noise CH2 Input conversion noise CH3 Input conversion noise CH4 Input conversion noise CH5 Input conversion noise CH6 Envelope comparison output amplitude Auto tracking output at no-input Auto tracking max. output CH2/CH1 gain ratio CH3/CH1 gain ratio CH4/CH1 gain ratio CH5/CH1 gain ratio CH6/CH1 gain ratio Rec. circuit current SP Y Rec. current output Normal EP Y Rec. current output ratio Rec. chroma output ratio Head Short ON-resistance HSW crosstalk Symbol I1 G17-34 G15-34 G12-34 G10-34 G7-34 G5-34 S2 S42 S41 S38 V17-39 V17-39 HSW2 (I) ICs for VCR Condition PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V PB VCC = 5V Rec. VCC = 12V Rec. VCC = 12V Rec. VCC = 12V Rec. VCC = 12V PB VCC = 5V PB VCC = 5V min 52 52 52 52 52 52 1.5 1.5 1.5 1.5 130 typ 33 * 56 * 56 * 56 * 56 * 56 * 56 * 2.5 * 2.5 * 2.5 * 2.5 * 200 * max 50 60 60 60 60 60 60 3.5 3.5 3.5 3.5 270 3.0 100 100 100 100 100 Unit mA dB dB dB dB dB dB V V V V mVP - P dB mVP - P mVP - P mVP - P mVP - P mVP - P Vrms Vrms Vrms Vrms Vrms Vrms VP - P HSW2 (II) HSW2 (III) HASW42 (I) HASW42 (II) N17-34 N15-34 N12-34 N10-34 N7-34 N5-34 V25 V28min. V28max. G15-34 G17-34 G12-34 G17-34 G10-34 G17-34 G7-34 G17-34 G5-34 G17-34 I22 I19 I21/I19 I19C/I19 7ON-R CTH17-34 0.65 * 0.65 * 0.65 * 0.65 * 0.65 * 0.65 * 4.0 0.3 * 3.8 -2 -2 -2 -2 -2 4.2 * 0* 0* 0* 0* 0* 35 * 17 - 5.5 -16 24.5 * -3* -12 * (5.5) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 V V 2 2 2 2 2 48 32 - 0.5 -8 (7) (- 40) dB dB dB dB dB mA mAP - P dB dB dB Note) Values with an asterisk are typical ones and not guaranteed. The characteristics value in parentheses is not a guaranteed value, but reference one on design. ICs for VCR s Electrical Characteristics (Ta = 252C ) Parameter HASW crosstalk Normal EP/other crosstalk Input capacitance Recording current 2nd harmonics distortion Cross-modulation relative level ENV-OFF SW threshold level PB f characteristics ratio SP 8MHz f characteristics ratio Normal EP 8MHz f characteristics ratio Auto tracking 7MHz max. output Symbol CTA17-34 CTN17-34 Cin D2f-19 DM-19 S26 V34'/V34 I19H/I19 I21H/I21 V28-7M Condition PB VCC = 5V PB VCC = 5V PB VCC = 5V Rec. VCC =12V Rec. VCC =12V PB VCC = 5V PB VCC = 5V Rec. VCC =12V Rec. VCC =12V PB VCC = 5V (1.5) (- 4) (- 4) (- 4) (3.8) (30) (- 50) (- 50) (2.5) (0) (0) (0) (4.2) min typ AN3341SC max (- 40) (- 40) Unit dB dB pF dB dB (3.5) V dB dB dB V Note) The characteristics value in parentheses is not a guaranteed value, but reference one on design. |
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