MSC1191 OKI | Alldatasheet
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; OKT Semiconductor o DIRECT DRIVE SPEAKER AMPLIFIER OBR Ads GENERAL DESCRIPTION MSC1191/1192 is a low voltage, low current speaker without any output coupling capaci- consumption type power amplifier [C devel- tance. The MSC1191 is set to the standby state oped for driving the speaker in a speech at the "H" level, and MSC1192 at the "L" level. synthesizer application. It directly drives a
FEATURES
¢ Low voltage operation : signal, etc. and digital signal input 2.0 to 6.0V single power supply pin for alarm signal, etc. ¢ Low current consumption: * High output current: 250 mA, peak No-load operation current of ¢ Differential outputs: 1.5 mA (typ) A speaker can be connected directly ¢ Standby function: between differential output pins. Current consumption of 1 1A or * 8 pin plastic DIP (DIP8-P-300) less in standby state ¢ 8 pin plastic SOP (SOP8-P-250-K) ¢ Two input pins: * Die Analog signal input pin for speech BLOCK DIAGRAM La y "Cerrar Din O |) () GND ig a VR O > a ‘or O $F Ain © 1073
: aT hd SERRE oo: on cee renee eros eee ; MSC1191/1192 ‘ OKI Semiconductor Fe a y PIN CONFIGURATION a
4 VR [3 | Din |
5 ig | 6 | sP i ¢ Absolute Maximum Ratings E Characteristic Symbol! | Conditions | Rating | Unit | Pins 4 Power supply voltage Ta = 25°C 0.3 -+6.5 Vee LE . STBY fi Input voltage VIN Ta = 25°C 0.3 - Vpp +0.3 Vv a I Din, Ain 4 Maximum output current Ta = 25°C +300 (Note 1) SP, SP. : Power dissipation [Pa | Ta = 25°C 660 e x Note 1: Shorting the output pins (SP and SP) to Vcc or GND will damage the IC. 4 * Recommended Operating Ranges Fs aracteristic lemarks
3 Peak load current lop _— 250
7 STBY operating frequency fstay 8k 4M At clock input
Operating temperature Top -10 60 1074
7 OKI Semiconductor 192
° * Electrical Characteristics (Ta=25°C) Inpub/resistance [ae | tof t00 | 130 [kn avt_| ain + SP | -035 | 0 | 035 | 0 Voltage gain av2_| SP sP o | 035 | a8 Ain — (between SP-SP) | 53 | 60 0B Vec = 3V cc=3 mW RL = 8Q, THD 2 10% Output power Voc = 6V 300 mw RL = 32Q, THD 2 10% Voc = 3V, RL = 8Q THor | 035 | 10 | % ay: . f = 1kHz, Pour = 45mW Total harmonic distortion rate Vec = 6V, THD2 0.17 1.0 % f = 1kHz, Pour = 125mW Ripple elimination ratio [ rR | f = 1kHz, C2 = 1pF | 30 | 37 | — | a8 STBY operating frequency At clock input [x | [| am | Hz Standard Standard 8 Voo-9.670) Output voltage Vo At no signal value 2 value Vv -0.12 +0.12 Ain = Vcc or GND VOH1 Vee -1.15] Vee -1.04 Vv jutpul Mv ° : vor | On=¥ Veo 1.15] Vee -1.02 v lout = -100mA eee Ain = Vcc or GND VOL1 0.17 0.3 Vv Output "L' voltage vou lout = 100mA | - |e | ° ° voz | One 033 | 045 | Vv lout = 100mA . , Circuit current in operation Vec = 6V, RL = 2 ° loc | 25 | 45 | 70 |ma DIN ="H" 1075
4 MSC1191/1192 OKI Semiconductor
3 GND Vee
—_— Ain g SP a Din E STBY _ a va BE E cal § Pin name Function
4 Vec Power supply pin
4 _ GND Ground pin 4 . Ain Analog signal input pin for speech signal, etc. i Din Digital signal input pin for alarm signal, etc. valid in the standby state. a SP =Hand SP = L for Din =H, and SP = SP = HiZ for Din =L. gq STBY Input pin for bias block on/off to set the whole IC to on and off. : [wea [ State ‘| a 4 Standby | i MSC1191 ¥ wt Operation « “H" Operation E MSC1192 Ba | vw Standby oz MSCt
4 The signal shown at right may be = ‘Hr ----~ mun wereeee
3 used, or the LSI oscillation output “Lt” uu MSCIt : may also be used. }+——- Operation ———>}—~ Standby . VR Operating level bias output pin. Connecting a capacitor between this pin and the GND pin q reduces the pop noise at power on and improves the ripple elimination ratio. . sp, SP Speaker connecting pins. j DC level is Vee—087y a 1076 Neen nnn nn EEE UU UIE EERE menace
: OKT Semiconductor 1/1192 esses EEE : APPLICATION CIRCUIT EXAMPLE Ov INPUT 3 C1 Vee — Ain sp : Din i c STBY H R i VR 3p a GND . C1 is the AC coupling capacitance. ally recommended values are C = 0.02 Low cut off frequency fc can be ob- HF and R=6to10Q9. tained by the following equation: ° When the Din and STBY functions are fos 1 (Hz) not to be used, fix Din = L and STBY = “ 2*nt* C1 * 100k L for MSC1191, and Din = Land STBY =H for MSC1192. . C2 shall be 50 to 100 times the value of C1. . Sound volume control is also possible as shown below. This method is ef- ¢ Cand Rare for prevention of parasitic fective when the signal source imped- oscillation. Select proper values ac- ance is high. cording to the speaker used. Gener- INPUT 1077
; MSC1191/1192 OKI Semiconductc Power dissipation vs ambient temperature Max. output amplitude vs power supply voltage (example) x 1.0 12 : ¢ “EEE PLT | es = > i : Derr Fee 1 wl Ptr) Litt ttt 3 "so 2 28288 oon Ne See q Ambient temperature Ta(“C) Power supply voltage Vcc(V) q Power dissipation vs output power (example) Power dissipation vs output power (example) g 1.0 = 1.0 | VERE Ree) SEPP a 1 AL=160| 3 _ 08 0.8 : s“ryTtrT Trt) =e °C ree i : 2 Oo tw 4 aT og CT ee ee 3 gi eer TT Tg og [Teri Tt et
3 SCOTT rrr) 3s ep et TTT
B R Meetew TTT Arr tir itt q tr ry rrr * Yi lve | TT | oft tit tri iti ofltTitTt titi re 2 = x 2 = 2 2 s x 2 = ba s Ss S So s Ss s s o o o o : Output power Pout(W) Output power Pout(W)
4 Power dissipation vs output power (example) Power dissipation vs output power (example)
¥ 1.0 1.0 j CTT TT TT Taesza] fn 4 eee eer — See 4 e“Crrrrryyryrr) ~ “ttt rere tt q arg OO 0 rg q 3 2 7 OCR SEES | SERRE s 2 0.4 B 04 i es LTPP ryt tt i Pot beer eit: t-te 5 i = ; okt ew T TTT Tt 00 A aa : s s s 3 s ° S Ss oS ° S < a Output power PoutiW) Output power Pout(W) “ 1078
at a: , OXI Semiconductor rm 1191/1192 . Circuit current vs power supply voltage (example) Circuit current vs power supply voltage (example) ALT) | fc HE loca Oin="H" 5 l _ 20 _ 80 et = iy QTL) © oot leary SoD eth 3's PB “t Coy PCE) see g% we) 2 a EC Pewee) 2 ER 5 os a Vee Sy 6 A Eee 00 ia oo CLARET EEE TTT “o @ e@ oo oo 2 co oc oc oe ec eo eae we S$ 2 8 8 3 8 8 Rk 8 28 38 284 88 Power supply voltage Vce(V) Power supply voltage Vcc(V) Output voltage vs load current (example) Output voltage vs load current (example) 2.0 2.0 , eC th eee he 3 wt ETT TT it er | Sia f sr ftoromso Fe] | TTT
3 McCoo oF CoCo
2 opt Terr nae Tg fof PP PT TT TA TY Becca eee o§ Sooo petit eee) ge Ce peClO ees) § eCooc ert 5 gol LET TT [ep fees 7 ot tt ber TT TTY aoL Lt [| tI olLerrt TT itt tt | °- $8 8 8 8 8 8 °c 8 8 8 8 8 8 Load current lout(mA) Load current lout(mA) Output voltage vs load current (example) Output voltage vs load current (example) 2.0 2.0 18 ep ta — = MCCCeer eer) er SCLC TT sg [Peete ann
3 MOCeorrcreer yl) Foo co
% 40 Levees] | Fool Pes Scape rT TT TTT TT) = of EET heal = og | LIT om 3 CT ee cca eo mai) 2 COC bee Z gt] 1 TI a ES S 04 peed SMT att “Cee oot IT | oo ZA--TTT TTT tit - 8 8 8 8 & 8 o #8 2 8 8 @ & Load current lout(mA) Load current lout(mA) 1079 EE
i MSC1191/1192 OKI Semiconductor By SS
5 Total harmonic distortion rate vs output power (example)
: Zz 1.0 f=1kHz 3 5 | CT pT yy E = aw ttl Wev _Y T 4 2 [Aten SS | ase ST F 5 Vewsov— | 11 _|veceasv_f| [T At vec=6.0v 4 5B 5 ALs16Q—| | [| Al=16Q Jy [J I ats320 E 2 57 [ frr tT Ty iyt T e 2 ee 1 a 2 a a 4 2 Cory ZT tet 7 |
4 ZB 9 ‘SS YA AYA
: " g g 8 8 g a Output power Pout(mW) i
4 Total harmonic distortion rate vs output power (example)
q ; = 10 t=3kHZ y S Cli tT | yy 7 ft Bs s Ae a a § Vera ov LL WWeeea'sv_T TAF Vece8.0v 7 5 , | Alst60 {| [| AlseaT 7 | / | Al+320 Be 2 57 ft fpr tT Tyr iy yt o Coo g 2 a a A a q Bo SS SS tT Es "9 8 8 3 3 3 Bo = & 3 < 3
4 Output power Pout(mW)
i 4 7 Ripple elimination ratio vs frequency (example) Voltage gain vs frequency (example) ‘q 80 12 q oe LT st | 4 a Cn ; eo |G STSCI THM Tr eer TT = Suge im i) § oles TUT f = a freeenet titi “SAUTE = 4/4 sa TTI TTT : So Wiiceme (ITN TAT) 8 yl TTT il cue MIPS 3 CORI seta? 4 2m SSM Fo eu ee i 2TH eBaeelS IMM TTS Cu EE att | Ht i 11 CON TT j 50 100 1k 10k 50k 20 100 1k 10k 20k q Frequency {(Hz) Frequency f(Hz) . 1080 $$$ KT
: OKT Semiconductor ASE TT STAT TI eee eee . MSC1191/1192 PAD LAYOUT Die size :X=184mm Y=2.6mm Die thickness : 350+ 30 um Pad size :112x112um Substorate Voltage: GND Pad location diagram Y-LAY aon an 2641 8 7 X-LAY 3 6 a a 4\\m a Pad Positions (the die center is located at X=0, Y=0) (Unit: pm) Te [ee oe [see | 126 | 298 ee [ee | Peo ae || 1081 A