M51598FP MITSUBISHI | Alldatasheet
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Technical content
MITSUBISHI SOUND PROCESSOR ICs
DESCRIPTION
The M51598FP is an optical pickup preamplifier for CD players. It has a built-in I-V amplifiers that convert current signals gained by photodetectors into voltage signals and HF (high frequency) mixing, FE (focus error), and TE (tracking error) amplifiers, as well as HF signal detector and mirror detector.
FEATURES
MCapable of being driven by either single or dual power supply MEBuiltin LPF (fo = 70kHz) for TE and FE amplifiers WEF balance control pin (pin @) MBuiltin focus error balance control pin (sin ©) WExternal components---as few as 2 chemical capacitors, 3 ceramic capacitors, 2 volume controls, and 1 resistor MBuilt-in microminiature 24-pin flat package (0.8mm lead pitch) al Outline 24P20-A RECOMMENDED OPERATING CONDITIONS er pikes S00 pal Supply voltage range--r-rs-eseeseeeneeneVgg = 4,75~5.25V Rated supply voltages-rssrssessrssesnenensnnerneensVog = BV Rated power dissipation «-v--s--sssteseeseeestesssenstees B5mW. - SYSTEM CONFIGURATION CS) M51598FP [+] [| = = SERVO a SRE mm 6249826 0018795 TL5 ELECTRIC 5-125
MITSUBISHI SOUND PROCESSOR ICs M51598FP PREAMPLIFIER FOR OPTICAL PICKUP PIN CONFIGURATION E fe} (24) NC FE) [23] TE AMP OUTPUT EF BALANCE [3] [22] GND ne 2] i) Neca¥ive eur AGI 4 20] HF AMP OUTPUT. 8 6] a [79] HF SIGNAL INPUT c H [78] SUPPLY VOLTAGE bo & 7. MR OUTPUT vee/2 [3] [16] MR JUMP CONTROL FS BALANCE [TQ [15] MR CAPACITANCE REFERENCE [14] HF OK OUTPUT Locic Gno [fy [3] FE AMP OUTPUT Outline 24P20-A NC: NO CONNECTION IC INTERNAL BLOCK DIAGRAM NC ‘TE AMP GND HFO HF HF vec MR JUMP MRC HF OK FE mn 7 AN AN me PEAK BOTTOM|_ | — = DT | : 73k REF SSeS ay 51 20k 7 pyre Se] vec @ ot rel [> aN nn ane6 | oh f
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(ANI ANV ANI AN: . | Z , ° i [ 100 25K di 30K ot 30k | — F eF NC A B c D vec/2 FS Veet LGND ea ea ‘Units Resistance : Q Internal component values are typical Capacitance : F @™ 6249826 0018795 155 oe 5-126 ELECTRIC
MITSUBISHI SOUND PROCESSOR ICs M51598FP PREAMPLIFIER FOR OPTICAL PICKUP ABSOLUTE MAXIMUM RATINGS (Ta = 25°C, unless otherwise noted) [Symbol [Parameter Ratings Unit] [Voc “| Supply voltage | [icc | Circuit current Tm | Pa | Power dissipation | BAO | mW =20~ +75 ELECTRICAL CHARACTERISTICS (Ta = 25°C, Voc = 5V) i [icc [| Circuit current No sional CEC |S | 88 mA | ‘Sa emmee | | afro A~D inuput [even (ERs | | - [| [HF High output voltage | CB] AT VY [ HF output offset voltage | Input open 1200 | #120 mv | or 2 eC [HF High outout voltage | RL=10kKQ TT AT | VI | HF Low output voltage | RL=10kKQ 0 os Tz] Vv | Output offset voltage | Input open | OT OT H50L mv | E inuput f= 1kHz _ Cen Perle sale] ¢ LTE High output voltage | RL=10KQ TT AT = | TE Low output voltage [RaW os a2 | - | Output offset voltage | Input open | 1000 [+100] mv | H'|HFOK High output voltage [| ST ATT = CT | § | HFOK Low outout voltge [No send SSSCSC*~—~—CS «YC | vd K_| Threshold voltage fo 026 | 037 [048 Vv | [MR High output voltage [No signal | ST AT PO TV | [MR Low output voltage TT | CTC CV f= 500kHz (carrier) | 0.26 | 036 | 046 |=} | Envelope ratio Gump) | #= 500KHz (carrier) | S| OB | OT] — | Liver | f= 500kHz (carrier), AM mod=55% 47] 60 | = kHz | oes 5-127 @ 6249826 0018797 49)
MITSUBISHI SOUND PROCESSOR ICs M51598FP PREAMPLIFIER FOR OPTICAL PICKUP TEST CIRCUIT Voc o- ry 7 oe 22 iS) BOkES S62 Meo 24 A cont 36k 2 WW, Lvcere TPH °F ‘foe 10k ese 9.001 100k 100k 310k fee] [23] [ee] [es] [eo] fi] fre] _fi7]_ fe] fs) fia) fis] Ms1598FP [e) LTRI GL EL tl tl Ge el te eT el sox We “me 93 oO oVvec/2 iS) 9 224 Veo/2 20f$22d, 26, 2468) t OO wi Ba ded CF Units Resistance : Q yor Capacitance : F mm £249826 0018798 728 = ¢ MITSUBISHI 5-128 ELECTRIC
MITSUBISHI SOUND PROCESSOR ICs M51598FP PREAMPLIFIER FOR OPTICAL PICKUP |. KKK TYPICAL CHARACTERISTICS OUTPUT OFFSET VOLTAGE VS. VOLTAGE GAIN VS. SUPPLY ‘SUPPLY VOLTAGE a VOLTAGE é 20; gz Vow > VS. Veet s Guar i= TemVp-p, = 50OKHA E \\Vore, Vote VS 4Vex a |Gvre Vi = 38.4mVp-r, f = 1kHz : N § IGvre Vi= 78mVe-p, f = TkHz = Vour | SJ] 7 Guu 5 [= é £ a ¥ 10 es 3 [57 | Let z e LL | fed | 3 ost lox 5 w B -50 3 0 40 45 50 55 60 g 40 45 50 55 60 SUPPLY VOLTAGE Voc (V) SUPPLY VOLTAGE Vee (V) HFOK OUTPUT VOLTAGE VS. HFOK THRESHOLD VOLTAGE Ss SUPPLY VOLTAGE o VS. SUPPLY VOLTAGE = 09 7 & € os = Vhiox A, B,C, D INPUT Vi = ¥4 Vert, BY x ¥ A,B,C, D INPUT. g Viox NO SIGNAL 2 & HFOK (VS. Vref) VOLTAGE > Z © 08 TF 4ite & y ' * & w So 5 g Z| e 3 = o7 Att 4 F of —t— a 7 ic] 9 g 4 Vox ia 3 bE “| 5 2 06 4“ 4- 8
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% os x x g oan 45-6085 60° © F 40 45 50 55 60 SUPPLY VOLTAGE Vec (V) SUPPLY VOLTAGE Vcc (V) MR HIGH/LOW OUTPUT VOLTAGE VS. a ‘SUPPLY VOLTAGE ENVELOPE RATIO V8. INPUT VOLTAGE = 003 7 $s 10 & Va NO SIGNAL S © Vima Vi =1.5Ve-P Fi 2 3 £ = 500kHz > > 08 ; $ w 8 A\\. ” goe¢% vie 002 a 5 as IN
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© 001 t+ | J, © ° = 40 45 50 55 60 0 02 04 06 O08 1.0 SUPPLY VOLTAGE Veo (V) PIN® INPUT VOLTAGE V, (Ve-°) oaieee 5-129 @@ 6249826 0018799 bby me
MITSUBISHI SOUND PROCESSOR ICs M51598FP PREAMPLIFIER FOR OPTICAL PICKUP APPLICATION EXAMPLE +5V 36k 0.001n 22u 0.068 Veo to mrs AeA A oe MS1598FP ie) TRE ae ee ee bl eT Pe ~YyV Yu“YuY~¥ we 22u ty vec se | 1/2Vec Internal component values are typical. Units Resistance : Q Capacitance : F mos 106 @ 249426 0014800 ¢ MITSUBISHI 5-130 ELECTRIC