M51131L

M51131L MITSUBISHI | Alldatasheet

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I MITSUBISHI LINEAR ICs b2E D om be y | 4826 0015095 970 MENIT2 M51 131L HI ELEK (LINEAR) MITSUBIS

2 CHANNEL ELECTRONIC VOLUME BALANCE

DESCRIPTION ; ; PIN CONFIGURATION (TOP VIEW) The M51131L is a semiconductor integrated circuit de- signed for dual-channel electronic volume balance control. It is housed in a 14-pin plastic molded zig-zag line pack- [14] INPUT 2 age and left/right independent volume control or left/right a Toa MODE A SWITCH simultaneous vos cone plus balance control can be fnPass ttRouGH/ selected by the DC voltages. . FOJBALANCE/VOLUME 2 Built-in pass through function enables automatic level con- CONTROL trol in combination with the ALC amplifier circuit. % FRSHOCK NSE REDUCTION = 8} VOLUME/VOLUME I FEATURES 5 CONTROL © Two control modes can be selected. 2 he (Left/right independent volume control mode or left/right EE}FiLTer REFERENCE simultaneous volume + balance control mode) [Z] REFERENCE SUPPLY © Pass through switch is included to output the input signal fSJoutpur | as it is, irrespective of the volume/balance control [2] INPUT 1 voltages. [71] SUPPLY VOLTAGE t ) @ Shock noise reduction pin is included to reduce pass through switch on/off shock noise. © Built-in reference supply voltage circuit NG : NO CONNECTION ocseseeeestiiinseseeeeeeeesseses Qutput current 10mA (typ.) ® Maximum permissible input seein 3.4Vems (typ.) (f=1kHz, THD=1%) © High attenuation sess 1050B (typ.) (f= 1kHz, Vi=2Vrms, JIS-A) © Low distortion rate 0.005% (typ.) (f=1kHz, Vi=500mVrms, 15kHz LPF) © Good channel separation 14pin plastic molded ZIP ssessees 102dB (typ.) (f= 1kHz, Vo=2Vems, JIS-A) APPLICATION High-tidelity VTR, Television set, Radio cassette player, Car stereo set, High-fidelity amplifier, Cassette deck player RECOMMENDED OPERATING CONDITIONS Rated supply voltage range <7 ---- ss BS ASV Rated supply voltage s-vvrssrrsssssseeeeessseeeeeeeeennes 12V e BLOCK DIAGRAM VOLUME/ BALANCE/ CONTROL VOLUME 1 VOLUME 2 MODE Ret NC CONTROL CONTROL SWITCH i INPUT 1 INPUT SWITCH CIRCUIT INPUT aun \\/ Pa te V CONTROL CIRCUIT VCAI I VOLTAGE OLTAGE CIRCUIT 1 TH OUTPUT H fac} Pass outrun ' Burt Dolvcn i (13) output 2 H OUTPUT! FILTER GND PASS THROUGH PASS SWITCH SHOCK =THROUGH/VCA NOISE REDUCTION SWITCH

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bee D MM 6249826 OOLSOI 807 MEMITe MS1131L MITSUBISHI ELEK (LINEAR) [Pino [Name] COperation = Typical C vo tage Power supply DC 8~15V is applied (rated voltage 12V) [ [@ [output ev Reference supply voltage output] Maximum output current 10mA (typ.), built-in short circuit protection circuit a OE Can be used for wire repeater to GND, ete [ a ® Vol vol 1 trol Left/right simultaneous volume or channel | volume is controlled by ~ ume/volume | contr this value in the range of 0 to 5. 2V DC. Transit noise to the ear Is softened by slowly switching between 5v tor pase ® Pass through switch shock __| pass through and VGA with time constant when the pass through through and OV © noise reduction switch is turned on/off. The time constant is determined by exter- tn VoA nally connected capacitor. T(Sec)=1.2xCX20k Operates as VCA with OV, and passes through the input to output mM Pass through/VCA switch ith 5. 2V. Operates as channel 1 volume at pin (8) and as channel 2 volume at ® Ct toh pin 4 with Ov. Control mode swite Operates as channel | and channel 2 simultaneous volume at pin @) and as balance at pin 40 with 5. 2V. [ao [output 2 ev [w [input 2 | Maximum permissibie input 3. 4vims (tye) ABSOLUTE MAXIMUM RATINGS (12=25, unioss otherwise noted) [Symbor [Parameter «dS —SSSC*dtSCSCS*CS ag CYC | Supply voltage Ps [tcc [Circuitcurent Tm [Pa | Power dissipation When mounted on PC board [00 | mw [Ke [Thermal derating | Ta 25C [so [mre] Operating temperature 20475 [rat [Storage temperature | —id TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) CIRCUIT CURRENT VS. SUPPLY VOLTAGE 900, 26) s v=o TTT] = ot _ | |] | | ge hate 1 H oe ie A 2™ \\ r_| g molt LT) ew aN = PSCC Ta 2 sa Pa ae eT IN zg « oe 10 eee Ze Ba aN 2 [LAT vesmn = 20} — Nt 5 er | & 200 5 ot ee || S| | g Ai 5 100) =e 4 Z| ce) an a PN | | | 1 0O 25 50 75 100 125 150 5 10 15 Ambient tmeperature Ta (C) SUPPLY VOLTAGE Vcc (V) Note 1. Vo.2 mode means left/right independent volume control mode.

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b2E D MM 6249826 0015097 743 MEMNIT2 MS51131L MITSUBISHI ELEK (LINEAR) ATTENUATION VS. BALANCE ATTENUATION VS. VOLUME CONTROL CONTROL VOLTAGE 0 Ay ears), ea a vistvems a, { 2400 see 2 CoD eT EN TY z [| aan z Ly | V_|

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a) eee E eo ees | aa <The eaaoor an | | -rooLLL i Ty So HLT TE TY 0 2 4 6 8 10 0 1 2 3 4 5 @ VOLUME CONTROL VOLTAGE Vyou (V) BALANCE CONTROL Vaai (L) Note 2, BAL mode means left/right simultaneous volume and balance contro! mode. TOTAL HARMONIC DISTORTION VS. OUTPUT VOLTAGE OUTPUT NOISE VOLTAGE VS. ATTENUATION g r}

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Zo.ooL LUT VT Tit TT 5 o 0.01 35 0.1351 35 10 35 100 ° —8 —60 —40 —20 0 e OUTPUT VOLTAGE Vo (Vrms) ATTENUATION ATT (dB) ATTENUATION VS. FREQUENCY CROSSTALK VS, FREQUENCY CHARACTERISTICS CHARACTERISTICS +20; —20; MC RTM OO = bila toee HI gol eamietom Ao! TTT

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Steed «= CHEECH Hi 2 x 2 4 Hits ase HELI z 20) SIMU GRrdIA Rc | STINE c ATT=—600B i et | he 60 —100} & CHIT A a ees — eo LITE TT TT ~ yoo LUT TTT a 10 35 100 35 tk 35 10k 35 100k 10 35 10035 tk 35 10k 35 100k FREQUENCY f (Hz) FREQUENCY f (Hz) ate MiTsuaisn ELECTRIC 3 eee

b2E D M@@ b2498eb 0015098 baT MBNIT2 MITSUBISHI LINEAR ICs MS1131L MITSUBISHI ELEK (LINEAR) = MAXIMUM OUTPUT VOLTAGE 5 MAXIMUM OUTPUT VOLTAGE é VS. LOAD RESISTOR E VS. SUPPLY VOLTAGE 2 10 2 5 | Ges 4 | Tee Doo joe ee 5 vcore I a | i Saf Vou Me ane an wo LAr wb 30KH2 LPF aa

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2 saaiiitmaii “Vor=MaxL | 2 LIA TTT ity 2 oot LIT |i) mor | 2 LETT IT TTI tt) % "100-3 5 Ik 35 10k 3 5 100k z 5 10 15 = = LOAD RESISTOR AL (Q) SUPPLY VOLTAGE Vee (V) e VOLTAGE REJECTION RATIO VOLTAGE REJECTION RATIO _ VS. SUPPLY VOLTAGE 3 VS. SUPPLY VOLTAGE 8 0 zo ae ea & Creer TLL E frecmeee TTT f feeres COC 6 stom ae] | |) | me Cc 2 of LETT TTT tty e_ott] TT TIT Ty eCLET TTT TT yt | ae 8 ft A | od 8 Co eee g ttt i tt ge ELT TTT tt tt

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62E D MM 6249826 0015099 Sib MEMIT2 MS51131L MITSUBISHI ELEK (LINEAR) ELECTRICAL CHARACTERISTICS (1a=25°C, Voc=12V, f=1kHz, Vi=1Vrms, Volume Max, unless otherwise noted) symbol Paramet Test condit Unit symbol arameter ‘est conditions ni | min | typ | Max | ‘Attenuation a [an | [Wintvena, wIS-A, volume min || tos | a | joe [cnannetpaiance Po [tHO | Totat narmonie aitonion «TSR PF SSSSSCSC~idCSCSC*id Ce [input resistor Ss | Fig=10k@ in quiescent state, JIS-A, volume:min | | 4.8 |__| evrms| Output noise voltage Maxima output voiage THO=196 [3.4 | vers | Note 3. The volume Max means the condition in which the same voltage as Vy is applied to pin ®. 4, The volume Center means the condition in which the same voltage as V;/2 is applied to pin 8). 5. The volume min means the condition in which pin @) is connected to GND. V/O TYPE 5.5V 5.2 5.5V [+] [é] [s] [ro] [a] Mec 5. 2v Yor Yeo Vref 150k 150k B25 4 8180. 8100. 8100, Bioon 8100.8 25, 818044 Vee Veco Vref Vee Ly (10. 6v x 30k c 1.5m, 1 Q fv us B100 1.5m 15k LJ L3] LJ Ls) 4.8V 12v OVv,5. 2V 4.8V Note 6. All resistors, voltages, currents are shown in typical values. Unit Resistance : @ Voltage : V Current : A EEE Ee, OO

b2E D MM b24982b 0015100 0b8 MENITe M51131L (LINEAR? MITSUBISHI ELEK @sce Mb 1 2 s. 9 g 10k 'Q mb hc 10k Sia is’ 10k

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10.7%, ms MS1131L LJ LJ Ly] + + pH BO n + + wy o Vooo—{(A) % 1 2 Q 6 8 ‘5 10k bg 10k roke 3% | ig i 470p +O, P Qu i . * 2. Unit Resitance : Q TSkHz Capcitance : F LPF The average response type X.Y must be used for V.V. Example of JIS-A filter equivalent circuit (Note that the output is multiplied by 100) 22k Adjust to meet JIS-A 100 characteristics at f>1kHz. 0.01 0.014 20k 100 Adjust to obtain the gain of 10 4100p: 404B from input to output Input 2.2k Output 27kS 36k V0. 002: 50: 1M T Sp 7 22k ae MITSUBISHI

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beE D MM 6249826 0015101 TTY MEMIT2 MS51131L MITSUBISHI ELEK (LINEAR) SWITCH CONDITION AND TEST METHOD symbol | Paramet Test method mbol arameter est metho ” en Measure the current flowing to lcco Circuit current 2 2 3 3 2 2 2 pin @ in quiescent state Attenuation ATT(dB)=20 log(Vo/Vi). fe [ermmrvaunee fr fr [> Ee Fete [| CPKGB)ATTon ~ATTens | _ | Tolar | THO otal armonic a 2 V2 15kHz LPF in : | 2] | Given the output as Ver when 1 and the tput Input resistor 2 2 2 = an 2. 2 output as Voz t ) jap | When $2, Ri(kQ )=150/(Voi/Vo2—1) Balance BAL 1 — 2 — BAL(dB)=20 log(Vo/Vi) attenuation Nomit 2 2 3 [3 | 2 1/2 JIS-A it Nomax [2 2 [| Wz 1 JIS-A in v Maximum input 2122 ve! 2 Input signal voltage when the imax | voltage [i | output distortion rate is 1%. y Maximum output ; lay, ve || Output signal vottage when the fomax | voltage [a] output distortion rate Is 1% Cx(d8)=20 log( Vol Ves) /2(vims)) Pass thi ih Joo [mer ['{tfefetelefelete fo | Suplae)=20 1oatve/Mt) voltage gain Pass through Cer 3 3 2 12 2 1 Cap(dB)=Gypchi~ Gypet Note 5. If the parameter is separated into two rows, measurement is made for all the switching conditions in the upper row and all the switching conditions in the lower row.

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b2E D MM 6249826 0015102 930 MENITe M51131L MITSUBISHI ELEK (LIN EAR) 2 CHANNEL ELECTRONIC VOLUME BALANCE APPLICATION EXAMPLES (a) To control by left/right simultaneous variable volume and balancer CHANNEL 1-2 SIMULTANEOUS CHANNEL 1-2 INT VOLUME BALANCE IN2 #1 Vv roll 1 itt | oe Noon To olume/volume 1 control ms i+ _] 1 #10” | 2 Balance/votume 2 contro eur a iH ma ss ry 3 Control mode switch fet Be jt 7 INPUT 2 44 Pass through switch shock noise INPUT ONTROL MODEL,_...! reduction suri V SWITGHING GIRCUT eee Y pee C56 #5 Pass through/VCA switch [céntaor VOLTAGE v7 Ky [CONTROL CIRCUIT Pr LS veal or oe TRASS FA i igwiren ) L hpass t ) VOLTAGE CIRCUIT eal VA jouteut/ iouTPUT/ BUFL i BUF2 Li Jvce [3] env [3J*4 Laj*5 LsJourteur 2} OUTPUT | FILTER Vec® +f 5 coo att, 1 kan a7, |, SPass F ie © VCA 10 n ouTl ouT2 (b) To control by left/right independent volume CHANNEL 1 CHANNEL 2 INI VOLUME VOLUME IN2 9 | en | cee een) ? 1 0, took Lo #1 Volume/volume 1 contro! + L--+_- rs # *2 Balance/volume 2 control INPUT 1 P

3 Control mode switch

INPUTS SONTROL MODE|,_.__! reduction suri Y switcH circu" "Sues Y a. aE | %*5 Pass through/VCA switch ICONTROL VOLTAGE 7a (3 SONTROL CIRCUIT re LS veal} pO TRAST FA) q iTHROUGH {SWITCH REFERENCE] Pen ‘SUPPLY i VOLTAGE CIRCUIT a VCA joutput/ louteut/ Difference between BUF] H BUF2 examples (a) and (b) LWvee Deo Tie Liks [sjourure les (a) and (6) OUTPUT | FILTER Vec® +f 5 ‘Example ‘Example yt + 1 m2, 4.7 Spass [+ Pt 10u #10 pe avon P10. (a) (b) ® |voune chi volume oon oore controt___| contrat Balance ch2 volume control control _ Connected w ote to pin @ Unit Resistance : Q Capacitance : F

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’ b2E D MM 6249826 0015103 477 MEMIT2 MS1131L MITSUBISHI ELEK (LINEAR) TYPE 14P5A 14-PIN MOLDED PLASTIC ZIP Dimension in min 9193 2,840.2 r TT —{ F il 1240.1 \\__ [| i: a| 27 OMaod COMuUn oz HAA YAWRAHAA WH 33 z FE : . Y 0.27905 2 1210.2 2.95+0.3 a All values shown in this catalogue are subject to change tor product improvement The information, diagrams and all other data included herein are believed to be correct and reliable However, no responsibil- tty is assumed by Mitsubishi Electric Corporation for their use, nor for any infringements of patents or other rights belonging to third parties which may result trom their use