technical data BT8040 melody generator with accompaniment features ? two sound sources wi t h envel ope (c r envel ope) ? m e l ody i s i n sert ed up t o four. ? a ccording to custom er?s request, the inserted m e lody is flexible. ? 3.0v t o 5.0v operat i ng vol t a ge ? dc or ac tri ggered perform an ce start mode (mask selected) ? c a n dri v e an 8 ohm dy nam i c loudspeaker i f provi ded ext e rnal l y wi t h a transistor ? bare chip or 16-pin dip (plastic) package available description the b t 8040 i s a c m os lsi chi p , whi c h pl ay s a prearranged m e l odi es. absolute maximum ratings ( t a = 25 o c ) c h a r a c t e r i s t i c s y m b o l v a l u e u n i t power suppl y vol t a ge v dd - 0.3 t o + 7.0 v input term i n al vol t a ge v 10 - 0.2 t o v dd + 0 . 2 v operating tem p erature t a -40 t o + 85 (v ss = 1.5v) o c storage tem p erature t stg - 65 t o + 150 o c soldering tem p erature and tim e t sol 260 o c, 10s (at lead) electrical characteristics (v dd = 5v, t a = 25 o c; unless otherwise specified) characteri sti c s y m b o l t e st condi ti o n mi n t y p m a x uni t op eratin g vo ltag e v dd 3 . 0 5 . 0 5 . 5 v input vol t a ge ?1? v ih v dd - 0.3 - v dd v ? 0 ? v il v ss - v ss + 0.3 m t power suppl y ti m e 150 m s r e sponse ti m e 600 m s mo output pin equivalent circuit ordering information b t 8040n pl ast i c b t 8040d soic t a = -40 to 8 5 c for all packages acco mp an i m en t ma in m e l o d y mo pi n i n s i de of b t 8 0 32 13 0k 15 0k inside of BT8040 1
BT8040 block diagram pin description pin . no. pin name pull-dow n re sistor f unc tions 1 osc1 - a resistor is connected between both terminals to from a ring 2 osc2 - oscillator, or external refe rence signals are applied to osc1. 3 tst2 provided lsi test input/output. 4 m t p r o v i d e d for binary selection: controls start and stop of performance. f o r direct s e lection: s e lects m e lody 1 and controls start and stop of it?s performance. 5 s e l 2 p r o v i d e d for binary selection: this term inal in conjunction with sel1, selects a melody . f o r direct s e lection: s e lects m e lody 3 and controls start and stop of it?s performance. 6 s e l 1 p r o v i d e d for binary selection: this term inal in conjunction with sel1, selects a melody . f o r direct s e lection: s e lects m e lody 2 and controls start and stop of it?s performance. 7 b/e - busy or end signal output terminal. 8 v ss - power supply terminal (0v). 9 tst1 provided lsi test input. 10 env1 - connects resistor and capacito r to add envelope to main melody . 11 env2 - connects resistor and capacitor to add envelope to accompaniment. 12 mo - output terminal or acoustic signa ls that have not been amplified. 13 p1 conne c t s pnp/npn tra n sistors, resistors and capacitors to form 14 o u t 1 p r o v i d e d a low-frequency linear am plifier circuit. 15 o u t 2 16 v dd - 3.0v to 5.0v operating voltage osci l l a t o r co n t r o l dr i v e r rh y t h m ro m me l o d y ro m en v e l o p e mi x e r te mp o r o m me l o d y r o m ad d r e s s co u n t e r c o n t ro l ro m t o n e ge n e ra t o r r h y t h m ge n e ra t o r en v e l o p e mi x e r a c c o mp a n me n t g e n e r a t o r osc1 se l 1 p1 se l 2 ou t 1 mt ou t 2 en v 1 mo b/ e en v 2 osc2 2
BT8040 application circuit (basic external connection) bt80 40 amp lifier (il3 411 9) speaker out or b u zze r 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 04 03 02 01 08 07 06 05 rx1 rx 4 rx 2 rx 3 47 0 ? ? ? ? recommended conditions for external devices s y m b o l r a t i n g s u n i t s y m b o l r a t i n g s u n i t vr 1 1 - 2 m : c 1 4 . 7 p f vr 2 5 0 k : c 2 4 . 7 p f r 1 1 0 0 k : c 3 0 . 1 p f r 2 1 0 0 k : - - - selection condition for melody condition # 5 # 6 melody hi gh hi gh *test m e l ody hi gh low *di ng ? dong low hi gh *do ? m i ? sol ? do low low *do- sol ? m i - do * revis i on & injection of m e lody is pos s i ble according to cus t om er?s reques t . 3
BT8040 n s u f f i x p l as t i c d i p (m s - 0 0 1 b b ) sy m b o l m i n m a x a 18. 67 19. 69 b 6. 10 7. 11 c 5. 33 d 0. 36 0. 56 f 1. 14 1. 78 g h j 0 10 k 2. 92 3. 81 no t e s : l 7. 62 8. 26 1. d i m e n s i o n s ?a ?, ?b ? d o n o t i n cl u d e m o l d f l as h o r p r o t r u s i o n s . m 0. 20 0. 36 m a x i m u m m o l d f l a s h o r p r o t r u s i o n s 0. 25 m m ( 0 . 010) p e r s i d e . n 0. 38 d su f f i x so i c (m s - 0 1 2 a c ) sy m b o l m i n m a x a 9. 80 10. 00 b 3. 80 4. 00 c 1. 35 1. 75 d 0. 33 0. 51 f 0. 40 1. 27 g h j 0 8 no t e s : k 0. 10 0. 25 1. d i m e ns i ons a a n d b d o no t i n c l ud e m o l d f l a s h o r p r ot r u s i o n . m 0. 19 0. 25 2. m a x i m u m m o l d f l a s h o r p r o t r u s i o n 0. 15 m m ( 0 . 006) p e r s i d e p 5. 80 6. 20 fo r a ; fo r b ? 0. 25 m m ( 0 . 010) p e r s i d e . r 0. 25 0. 50 d i me n s i o n , mm d i me n s i o n , mm 5. 72 2. 54 7. 62 1. 27 a b h c k c m j f m p g d r x 4 5 se a t i n g pl a n e 0. 25 ( 0 . 0 10) m t -t - 1 16 8 9 l h m j a b f g d se a t i n g pl a n e n k 0. 2 5 ( 0 . 010) m t -t - c 1 16 8 9 4
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