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mitsumi lz t cd lb 4ch z? ic mm1538 lz t cd lb 4ch z? ic ?? ic mm1538 1 ' ic ^|v?1lz t cd lb 7? 4ch h b tz?a[# dc ? dc me e?
^???7 3 z? ic b ? qfp ? 44 y7k a? al??b +? (1) =a 4ch h b tz? v[yv?
,qz?a? pwm e?b (2) =a dc ? dc me e?
^b (3) {? {q {
0b (4) v[ y??y b_??meb (5) ?
@ z t v[yv?e
@? vm??b (6) =a ?
q?85b (7) =a? ? e
^b qfp ? 44 o lz t cd ? &p
mitsumi lz t cd lb 4ch z? ic mm1538
^ m
mitsumi lz t cd lb 4ch z? ic mm1538
0lm 1 bsen 23 brake1 2 batt 24 out4r 3 reset 25 out4f 4 dead 26 out3r 5 sw 27 out3f 6 eo 28 powgnd 7 ei 29 out2f 8 sprt 30 out2r 9 c t 31 out1f 10 n.c. 32 out4r 11 op? 33 rchg 12 vsys1 34 amute 13 opout 35 emp 14 op+ 36 hvcc 15 vsys2 37 psw 16 v ref 38 clk 17 in3 39 start 18 in4 40 off 19 mute34 41 chgvcc 20 in2 42 sel 21 mute2 43 pregnd 22 in1 44 pwmfil
mitsumi lz t cd lb 4ch z? ic mm1538
0 a

0?|
0 {? { ?? =??r
^m 1 bsen {? yas e
0 2 batt {? y {?
0 {?
0 3 reset { _? {
0 4 dead {? 8 hw !?
0 5 sw { 6a?85z?
0 6 eo { bv {
0
mitsumi lz t cd lb 4ch z? ic mm1538
0 a

0?|
0 {? { ?? =??r
^m 7 ei {? bv {?
0 8 sprt {
^1 !?
0 9 ct { ???o {
0 10 n.c. 11 14 op? op+ {? ?bv {?
0 ?bv? {?
0 12 vsys1 {? e?
^ {?
0 e?
^
0 13 opout { ?bv {
0
mitsumi lz t cd lb 4ch z? ic mm1538
0 a

0?|
0 {? { ?? =??r
^m 15 vsys2 {? ?z? {?
0 z?-a
0 16 v ref {? {?
0 17 18 20 22 in3 in4 in2 in1 {? ch3 e??| {?
0 ch4 e??| {?
0 ch2 e??| {?
0 ch1 e??| {?
0 19 21 23 mute34 mute2 brake1 {? ch3 a ch4 .
0 ch2 .
0 ch1 ??
0 24 25 26 27 29 30 31 32 out4r out4f out3r out3f out2f out2r out1f out1r { ch4 { ch4 ? { ch3 { ch3 ? { ch2 ? { ch2 { ch1 ? { ch1 { 28 powgnd ?s1 36 hvcc {? h b t {?
0 33 rchg {?
@ !?
0
mitsumi lz t cd lb 4ch z? ic mm1538
0 a

0?|
0 {? { ?? =??r
^m 34 amute { ?m {
0 35 emp { b_? {
0 37 psw { pwm ?85z?
0 38 clk {? ?? h]? {?
0 39 start {? 6a dc ? dc me ?
0 40 off {? 6a dc/dc me off
0
mitsumi lz t cd lb 4ch z? ic mm1538
0 a

0?|
0 {? { ?? =??r
^m 41 chgvcc {?
^ {?
0
^
0 42 sel {? { b_? me
0 43 pregnd -au1 -au1
0 44 pwmfil {? pwm m?
0 ?z?? { a { ^m? {?
0?
mitsumi lz t cd lb 4ch z? ic mm1538 k-? (ta=25c) [" ?| -? ? a vcc ? 1 13.5 v z? {
@ io 500 ma ???{ p d 625 ? 2mw yt? t opr ?30 j +85 c ib? t stg ?55 j +150 c ?? 1 vcc v u vsys1, vsys2, hvcc, batt, chgvcc
0 {?ab ?? 2 t a=25c [ ?a? p h
? 6 1c |h 5mw b wiythq [" ?| kl s kv ? e?
^a vsys1 2.7 3.2 5.5 v ?z?
^a vsys2 2.7 3.2 5.5 v h b ta hvcc ? pwm batt v a batt 1.5 2.4 8.0 v
^a chgvcc 3.0 4.5 8.0 v a? ta ?10 25 70 c +? "+y a
-? t a=25c a batt=2.4v a vsys1=vsys2=3.2v a v ref=1.6v a chgvcc=0v a fclk=88.2khz [" ?| ?
hq kl s kv ?
^u batt ? h
@ i st batt = 9.0v, vsys1 = vsys2 = vref = 0v 0 3 a batt b h
@ i bat hvcc = 0.45v, mute34 = 3.2v 2.5 4.0 ma vsys1 b h
@ i sys1 hvcc = 0.45v, mute34 = 3.2v, ei = 0v 4.7 6.4 ma vsys2 b h
@ i sys2 hvcc = 0.45v, mute34 = 3.2v 4.1 5.5 ma chgvcc b h
@ i cgvcc chgvcc = 4.5v, r out = open 0.65 2.00 ma h b tz??s a9m ch1,ch3,ch4 g vc134 12 14 16 db a9m ch2 g vc2 21.5 23.5 24.5 db ?a9m g vc ?2 0 2 db in
0 {?e ch1,ch3,ch4 r in134 in = 1.7v ? 1.8v 9 11 13 k ? in
0 {?e ch2 r in2 in = 1.7v ? 1.8v 6 7.5 9 k ? kv {? v out rl = 8 ? , hvcc = batt = 4.0v, in = 0-3.2v 1.9 2.1 v / tr ?a v satl io = ?300ma, in = 0 ? 3.2v 240 400 mv tr ?a v satu io = ?300ma, in = 0 ? 3.2v 240 400 mv {??a v oi ?8 0 8 mv {?a v oo134 v ref = in = 1.6v ?50 0 50 mv {?a ch2 v oo2 v ref = in = 1.6v ?130 0 130 mv u? v db ?10 0 10 mv brake1 on
"?a v bron in1 = 1.8v 2.0 v brake1 off
"?a v broff in1 = 1.8v 0.8 v mute2 on
"?a v m20n in2 = 1.8v 2.0 v
mitsumi lz t cd lb 4ch z? ic mm1538 +? "+y a
-? t a=25c a batt=2.4v a vsys1=vsys2=3.2v a v ref=1.6v a chgvcc=0v a fclk=88.2khz [" ?| ?
hq kl s kv ? h b tz??s mute2 off
"?a v m2off in2 = 1.8v 0.8 v mute34 on
"?a v m34on in3 = in4 = 1.8v 0.8 v mute34 off
"?a v m34off in3 = in4 = 1.8v 2.0 v v ref on
"?a vre f on in1 = in2 = in3 = in4 = 1.8v 1.2 v v ref off
"?a vre f off in1 = in2 = in3 = in4 = 1.8v 0.8 v brake1 ??
@ i brake1 brake1
0 ?h? h? ?l? h
@ 4710 ma pwm z??s psw
@ i psw in1 = 2.1v 10 13 17 ma hvcc ?ma v shif in1 = 1.8v, hv cc ? out1f 0.35 0.45 0.55 v hvcc
p
@ i hlk hv cc = 9.0v, vsys1 = vsys2 = batt = 0v 05a pwm bv.?9m g pwm in1 = 1.8v, hv cc = 1.2 j 1.4v 1/60 1/50 1/40 1/k ? dc?dc me?s bv?s vsys1
0
"?a v s1th 3.05 3.20 3.35 v eo
0 {ao h p v eoh ei = 0.7v, io = ?100 a 1.4 1.6 v eo
0 {ao l p v eol ei = 1.3v, io = 100 a 0.3 v
^1?s sprt
0a? v spr ei = 1.3v 0 0.1 v sprt
0
@ 1 eo=h i spr1 ei = 0.7v 6 10 16 a sprt
0
@ 2 off=l i spr2 ei = 1.3v, off = 0v 12 20 32 a sprt
0
@ 3 v i spr3 ei = 1.3v, batt = 9.5v 12 20 32 a sprt
0e f r spr 175 220 265 k ? sprt
0
"?a v spth ei = 0.7v, c t = 0v 1.10 1.20 1.30 v va1_?a v hvpr bsen
0a 8.0 8.4 9.0 v ?85z??s sw
0 {a 1 o h p v sw1h ? batt = c t = 1.5v, vsys1 = vsys2 = 0v, io = ?2ma, ? h 0.78 0.98 1.13 v sw
0 {a 2 o h p v sw2h c t = 0v, io = ?10ma, ei = 0.7v, sprt = 0v 1.00 1.50 v sw
0 {a 2 o l p v sw2l c t = 2.0v, io = 10ma 0.30 0.45 v sw
0???
q 1 f sw1 ? c t = 470pf, vsys1 = vsys2 = 0v, ? h 65 80 95 khz sw
0???
q 2 f sw2 c t = 470pf, clk = 0v 60 70 82 khz sw
0???
q 3 f sw3 c t = 470pf 88.2 khz sw
0kl
?
z t swmin ? c t =470pf, eo=0.5v t 0.7v h
0.01 0.60 s ? h
?
] b
q d sw1 c t = 470pf, vsys1 = vsys2 = 0v 40 50 60 1< hkv
?
] b
q d sw2 c t = 470pf, ei = 0.7v, clk = 0v 70 80 90 clk ]? hkv
?
] b
q d sw3 c t = 470pf, ei = 0.7v 65 75 85 g?s off
0
"?a v ofth ei = 1.3v vsys1-2.0 v off
0a
@ i off off = 0v 75 95 115 a start
0 on
"?a v stath1 vsys1 = vsys2 = 0v, c t = 2.0v batt-1.0 v start
0 off
"?a v stath2 vsys1 = vsys2 = 0v, c t = 2.0v batt-0.3 v
mitsumi lz t cd lb 4ch z? ic mm1538 +? "+y a
-? t a=25c a batt=2.4v a vsys1=vsys2=3.2v a v ref=1.6v a chgvcc=0v a fclk=88.2khz [" ?| ?
hq kl s kv ? g?s start
0a
@ i start start = 0v 10 13 20 16 30 19 a clk
0
"?ao h p v clkthh 2.0 v clk
0
"?ao l p v clkthl 0.8 v clk
0a
@ i clk clk = 3.2v 10 a 8 hw?s dead
0e f r dead 52 65 78 k ? dead
0 {a v dead 0.78 0.88 0.98 v ?
^?s ?mea v stnm vsys1 = vsys2 = 0v t 3.2v, start = 0v 2.3 2.5 2.7 v ?mea? v snhs start = 0v 130 200 300 mv b3"a v dis 1.63 1.83 2.03 v b_??s b_?a 1 v empt1 vsel = 0v 2.1 2.2 2.3 v b_?a 2 v empt2 isel = ?2a 1.7 1.8 1.9 v b_?aa 1 v emhs1 vsel = 0v 25 50 100 mv b_?aa 2 v emhs2 isel = ?2a 25 50 100 mv emp
0 {a v emp io = 1ma, bsen = 1v 0.5 v emp
0 {
p
@ i empl bsen = 2.4v 1.0 a bsen
0 {?e r bsen vsel = 0v 17 23 27 k ? bsen
0
p
@ i bsen vsys1 = vsys2 = 0v, bsen = 4.5v 1.0 a sel
0_?a v selth v selth = batt ? sel, bsen = 2.0v 1.5 v sel
0_?
@ i selt ?2 a
^?s vsys1
0
"?a1 h srt ebv
"?a-1 85 90 95 _?a? v rsths 25 50 100 mv reset
0 {a v rst io = 1ma, vsys1 = vsys2 = 2.8v 0.5 v reset
0 ?e r rst 72 90 108 k ? amute
0 {a 1 v amt1 io = ?1ma, vsys1 = vsys2 = 2.8v batt?0.4 batt v amute
0 {a 2 v amt2 io =?1ma , start = 0v, vsys1 = vsys2 = 0v batt?0.4 batt v amute
0/ ?e r amt 77 95 113 k ? ?bv?s {?a
@ i bias op+ = 1.6v [/m] 300 na {??a v oiop ?5.5 0 5.5 mv o h p {a v ohop rl = open 2.8 v o l p {a v olop rl = open 0.2 v {z?
@
@ i sou 50 ? 1 gnd ?6.5 ?3.0 ma {z?
@ i sin 50 ? 1 vsys1 0.4 0.7 ma 7a9m gvo v in = ?7.5dbv, f = 1khz 70 db e ?
q sr 0.5 v/s
mitsumi lz t cd lb 4ch z? ic mm1538 [" ?| ?
hq kl s kv ?
^?s rchg
0aa v rchg chgvcc = 4.5v, rchg = 1.8k ? 0.71 0.81 0.91 v rchg
0 {e r rchg chgv cc= 4.5v, rchg = 0.5v ? 0.6v 0.75 0.95 1.20 k ? sel
0 {
p
@ 1 i sellk1 chgv cc = 4.5v, rchg = open, batt = 4.5v 1.0 a sel
0 {
p
@ 2 i sellk2 chgv cc = 0.6v, rchg = 1.8k ? , batt = 4.5v 1.0 a sel
0?a v selcg chgv cc = 4.5v, io = 300ma, rchg = 0 ? 0.45 1.00 v +? "+y a
-? t a=25c a batt=2.4v a vsys1=vsys2=3.2v a v ref=1.6v a chgvcc=0v a fclk=88.2khz ?

^m
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av [" sw no. 14567822242526 batt ? h
@ ?????????? batt b h
@ ??????a?a? vsys1 b h
@ ?? ?a??a?a? vsys2 b h
@ ??????a?a? chgv cc b h
@ ?????????? vsys1
"?a ??a??????? eo
0 {ao h p ??aa?????? eo
0 {ao l p ??aa?????? sprt
0a ???aa????? sprt
0
@ 1 eo = o h p ???ab????? sprt
0
@ 2 off = o l p ???ab????a sprt
0
@ 3 va a? ?a b????? sprt
0e f ????b????? sprt
0
"?a ???aaa???? va1_?a a ???a????? sw
0 {a 1 o h p ?a???a ??a? sw
0 {a 2 o h p ?a ?ab a ???? sw
0 {a 2 o l p ?a ???a???? sw
0???
q 1 ?b???b??a? sw
0???
q 2 ?b???b?b?? sw
0???
q 3 ?b???b?a?? sw
0kl
?
z ?bb??b???? ? h
?
] b
q ?b???b?ba? 1< hkv
?
] b
q ?b???b?b?? clk ]? hkv
?
] b
q ?b?a?b?a?? ? p sw )? 7
^ ?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av [" sw no. 23467820242526 dead
0e f ?b???????? dead
0 {a ?a ???????? off
0
"?a ???aa????a off
0a
@ ?????????a start
0 on
"?a ??a? ?a??a? start
0 off
"?a ??a? ?a??a? start
0a
@ ????????a? clk
0
"?ao h p ??a??b?b?? clk
0
"?ao l p ??a??b?b?? clk
0a
@ ???????a?? ?mea ??a?????a? ?mea? ??a?????a? b3"a ????a????? vsys1
0
"?a1 b????????? _?a? b????????? reset
0 {a b????????? reset
0 ?e a ????????? amute
0 {a 1 ??????b??? amute
0 {a 2 ??????b?a? amute
0/ ?e ??????a??? ? p sw )? 7
^ ?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av [" sw no. 191011 12 21 27 b_?a 1 a ????aa b_?a 2 a????ab b_?aa 1 aa ???aa b_?aa 2 a????ab emp
0 {a a ????b? emp
0 {
p
@ a????c? bsen
0 {?e a ?????a bsen
0
p
@ a ?????? sel
0_?a a ????aa sel
0_?
@ a????ab {?a
@ ??a???? {??a ??d???? o h p {a ?bc???? o l p {a ?ac???? {z?
@
@ ? db??? {z?
@ ??da??? 7a9m ??b?a?? e ?
q ??d?a?? ? p sw )? 7
^ ?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av [" sw no. 13 14 15 16 17 18 22 a9m ch1r ???bbba ch2r ??b?bba ch3r b???bba ch4r ?b??bba ?a9m ch1 ???bbba ch2 ??b?bba ch3 b???bba ch4 ?b??bba in
0 {?e ch1 ???bbba ch2 ??b?bba ch3 b???bba ch4 ?b??bba kv {? ch1r ???bbba ch2r ??b?bba ch3r b???bba ch4r ?b??bba / tr ?a ch1f ? ? b a ? a ch1r ? ? b ? a a ch2f ? b ? a ? a ch2r ? b ? ? a a ch3f b ? ? a ? a ch3r b ? ? ? a a ch4f ?b??a?a ch4r ?b???aa tr ?a ch1f ???ba?a ch1r ???b?aa ch2f ??b?a?a ch2r ??b??aa ch3f b???a?a ch3r b????aa ch4f ?b??a?a ch4r ?b???aa {??a ch1 ? ? ? a ? ? a ch2 ? ? a ???a ch3 a ?????a ch4 ?a ????a {?a ch1 ???bbba ch2 ??b?bba ch3 b???bba ch4 ?b??bba u? ch1 ???bbba ch2 ??b?bba ch3 b???bba ch4 ?b??bba ? p sw )? 7
^ ?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av [" sw no. 13 14 15 16 17 18 22 23 28 brake1 on a ch1 ???bbba?? brake1 off a ch1 ???bbba?? mute2 on a ch2 ??b?bba?? mute2 off a ch2 ??b?bba?? mute34 on a ch3 b???bba?? ch4 ? b ? b b a ? ? mute34 off a ch3 b???bba?? ch4 ?b??bba?? vref on a ch1 ???bbbaa? ch2 ??b?bba?? ch3 b???bba?? ch4 ?b??bba?? vref off a ch1 ???bbba?? ch2 ??b?bba?? ch3 b???bba?? ch4 ?b??bba?? break1 ??
@ ch1 ???bbba?? pwm
@ ???b??aba hv cc ?ma ???bbbbab hv cc
p
@ ????bba?? pwm bv.?9m ???bbba?? [" sw no. 19 27 chgset
0aa a? chgset
0 {e b? sel
0 {
p
@ 1 ?a sel
0 {
p
@ 2 aa sel
0?a bb ? p sw )? 7
^ ?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?

^m sw av a9m g vc (+) = 20log vo1?vo2 v in 1?v in 2 g vc (?) = 20log vo3?vo4 v in 3?v in 4 ?a9m g vc = g vc (+) ? g vc (?) u? xc?xc' = v in 2 ? vo1?v in 1 ? vo2 ? v in 3 ? vo4?v in 4 ? vo3 vo1?vo2 vo3?vo4
mitsumi lz t cd lb 4ch z? ic mm1538 ?
^m ? ?y p'
^7? 3t y# ? >' 3|???bm3?bh[
3b ? p'
^ h? 3' 3???y< ??su?e? ?15' 3|????? 3?b ] h' 3g? qm1 l @?b
mitsumi lz t cd lb 4ch z? ic mm1538 ?t a
1 h b tz??s (1) 9m !? ? z? {?e? ch1, 3, 4 1 11k ? ?? ch2 1 7.5k ? ??bh p/
? t9 ?i !az? 9mb z? {?s? hv cc
0 (36pin) a?z?
^? vsys2
0 (15pin) bh ' ic ??-w ?b??
^? ?1 0.1f b (2) .?? ? 4ch z??
ch1 = !?
????a? ch = !?
.??b ? ? !? brake1
0 (23pin) a1o h p h ch1
h { (1o l p
^??? tb ? ? !? mute2
0 (21pin) a1o h p h ch2 {.b ? ? !? mute34
0 (19pin) a1o l p h ch3 a ch4 {] h.b (3) v ref /?. ? ? @f? v ref
0 (16pin) a1 1.0v ??[/ hz? {$ !?1e fb (4) e
^ ? ????r? 150c ?? h {
@$m ?????/?? 120c ?? h
^?? ?b 2 pwm z?
^ ? 4ch z???
^?_?kv {i[ pwm z t4z? (36pin) b ? p pnp ?8?5al?ao+=5a???qb ch1 ch2 ch3 gv=20log 55k 11 k+r (db) ch2 gv=20log 110k 7.5k+r (db) r ?e
mitsumi lz t cd lb 4ch z? ic mm1538 3 dc ? dc me?s (1) {a ? yv?q v[? 3.2v ?? 6a
^b?a vyvf?ezef[?mbn h a !?zea/ r1 ? r3 + r2 ? r4 vsys1 = 1.2 r1 + r3 r2 ? r4 (v) r2 ? r4 r2 + r4 (2)
^1?? ? ?bv {a (6pin) ??)? o h p h sprt
0 (8pin) $ 7?a 6? 1.2v ?? h5?t? sw
0 (5pin) 71tbv sprt
0 ? sw
0t? 71t?b hw |? ? sprt
0 (8pin) ? %?9 ? ta/ t = csprt v th (sec) (v th = 1.2v a isprt = 10a) isprt (3) ??? ? ??? v[yv dead
0 (4pin) ? gnd -w ??ze lcb] h v[yv 4pin ?eze pkv] b
q vmb t = cdead r (sec) (r = 65k ? ) (4) 1>?t ? ? !? off
0 (40pin) a1o l p h sprt
0|$ ?ar? 1.2v ?? h5? t? sw
0 (5pin) 71tbv sprt
0 ? sw
0t? 71t?b hw|? ? sprt
0 (8pin) ? %?9 ? ta/ t = csprt v th (sec) (v th = 1.2v a i off = 20a) ioff
mitsumi lz t cd lb 4ch z? ic mm1538 (5) va1?t ? ? @f? bsen
0 (1pin) ar? 8.4v ?? h sprt
0|$ ?ar? 1.2v ?? h5?t? sw
0 (5pin) 71tbv sprt
0 ? sw
0t? 71t?b hw| ? ? sprt
0 (8pin) ? %?9 ? ta/ t = csprt v th (sec) (v th = 1.2v a i hv = 20a) ihv 4 b_??s ? ? @f? bsen
0 (1pin) a??_?a h emp
0 (35pin) |?o h p_o l pm? 7
^ " { b_?ax !?
50mv ??a[]? {??byv sel
0 (42pin) _?a ??a/meb sel
0 _?a ea l 2.20v ?? 2.25v ?? high-z 1.80v ?? 1.85v ?? 5
^?s ? ?r? dc ? dc me {a 90% ?? h reset
0 (3pin) |?o l p_o h pm?7 amute
0 (34pin) |? o h p _ o l p m?bax !?
50mv ??a []? {??b 6
^?s ?
^1 chgv cc
0 (41pin) ?e ?
^m? ?byv ? rchg
0 (33pin) e gnd -we v[ !?
@b?
@ ^v sel
0 (42pin) ?
@
@b ?
^?s? e
^b????r? 150c ?? h
@|$m ????? /?? 120c ?? h
^???b
mitsumi lz t cd lb 4ch z? ic mm1538 +?m {?m?+? {?m?+? (ch2) l {? {+? u?
mitsumi lz t cd lb 4ch z? ic mm1538 +?m bv {a
0a

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