12313nkpc cav 20120301-s00005/32112sy no.a2033-1/8 http://onsemi.com semiconductor components industries, llc, 2013 may, 2013 LA4537MC features ? low current drain ? 16 load drive capability ? excellent reduced voltage characteristics ? excellent power supply ripple rejection ? minimum number of external parts required (no input capacitor, feedback capacitor required) ? less harmonic interference in radio band ? on-chip power switch function, muting function specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max quiescent 4.5 v allowable power dissipation pd max 290 mw operating temperature topr ? 20 to + 75 c storage temperature tstg ? 40 to + 125 c operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 1.5 v operating voltage range v cc op 0.9 to 4.0 v recommended load resistance r l 16 to 32 orderin g numbe r : ena2033a monolithic linear ic power amplifier for 1.5v headphone stereos stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty.
LA4537MC no.a2033-2/8 electrical characteristics at ta = 25 c, r l = 16 , rg = 600 , see specified test circuit. parameter symbol conditions ratings unit min typ max quiescent current i cco 1 v cc = 1.2v, quiescent 3.5 6.0 ma i cco 2 v cc = 2.5v, pin 10 gnd 1.4 2.5 ma i cco 3 v cc = 2.5v, pin 1 gnd 1.0 a voltage gain vg v cc = 1.2v, f = 1khz, v o = ? 20dbm 28.5 30.0 31.5 db voltage gain difference vg v cc = 1.2v, f = 1khz, v o = ? 20dbm 1.0 db total harmonic distortion thd v cc = 1.2v, f = 1khz, p o = 0.5mw 0.5 1.5 % output power p o v cc = 1.5v, f = 1khz, thd = 10% 5 8 mw crosstalk ct v cc = 1.2v, f = 100hz, rg = 1k , v o = ? 20db 40 45 db ripple rejection svrr v cc = 1.0v, f = 100hz, rg = 1k , v r = ? 30dbm, bpf = 100hz 40 46 db output noise voltage v no v cc = 2.5v, rg = 1k , bpf = 20hz to 20khz 55 80 v power on current sensitivity i 1 (on) v cc = 0.85v, v5 0.5v 0.1 1.0 a power off voltage sensitivity v 1 (off) v cc = 0.85v, v5 0.1v 0.5 0.6 v muting off current sensitivity i 10 (off) v cc = 0.85v, v5 0.5v 0.1 1.0 a muting on voltage sensitivity v 10 (on) v cc = 0.85v, v5 0.1v 0.5 0.6 v note) the quiescent current is respresented by the current flowing into pin 6. the respective maximum currents flowing into pin 1 and pin 10 are calculated by (pin voltage -0.5) / 16 [v/k ] and the total current increases by these current values. package dimensions unit : mm (typ) 3426 sanyo : soic10 5.0 4.4 6.4 6 10 5 1 0.835 0.15 0.37 0.35 1.0 0.175 1.5 1.75 max
LA4537MC no.a2033-3/8 block diagram test circuit v 10 i 10 v 1 i 1 a 6 1 2 2 2 2 3 4 sg p/sw p/sw mt/sw mt/sw gnd power out 2 out 1 in 1 in 2 pre gnd LA4537MC ref 1 1 1 3 4 5 7 8 1 2 3 dc ripple 4 9 10 v cc i cc v cc rg r l v r r l rg + + + + sample application circuit 1 (standard) 6 1 2 off on sg sg p/sw p/sw mt/sw mt/sw gnd power out 2 out 1 in 1 in 2 pre gnd LA4537MC ref 3 4 5 7 8 on off 9 10 v cc v r v r v cc r l r l + + + + + 1 2
LA4537MC no.a2033-4/8 sample application circuit 2 (output capacitor shared) 6 1 2 off on sg sg p/sw p/sw mt/sw mt/sw gnd power out 2 out 1 in 1 in 2 pre gnd LA4537MC ref 3 4 5 7 8 on off 9 10 v cc v r v r v cc r l r l + + + + 1 2
LA4537MC no.a2033-5/8 thd -- p o 0.1 2 3 1 5 7 2 3 10 5 7 2 3 5 7 2 4 6 8 10 2 4 6 100 0.1 2 3 5 7 1 2 3 5 7 2 3 5 7 10 100 0.1 23 57 23 57 23 57 23 57 1 1 1.5 2 2.5 3 3.5 1 1.5 2 2.5 3 3.5 23 57 23 57 23 57 23 57 0.1 1 10 23 10 57 2 3 57 2 3 57 2 3 57 1 1 1.5 2 2.5 3 3.5 10 10 10 output power, p o -- mw thd -- p o total harmonic distortion, thd -- % 0.1 supply voltage, v cc -- v p o -- v cc output power, p o -- m w 0 12 0.5 4 supply voltage, v cc -- v p o -- v cc output power, p o -- mw 0 8 0.5 4 output power, p o -- mw total harmonic distortion, thd -- % 2 3 5 7 2 3 5 7 1 0.4 0.6 0.8 1 frequency, fin -- khz thd -- fin total harmonic distortion, thd -- % 0.1 10 0.01 100 supply voltage, v cc -- v thd -- v cc total harmonic distortion, thd -- % 0.2 1.2 0.5 4 50 100 150 20 40 60 80 output power, p o -- m w/ ch pd -- p o power dissipation, pd -- m w 0 200 1100 output power, p o -- m w/ ch i ccop -- p o supply current, i ccop -- ma 0 100 1 100 v c c = 0 . 9 v v c c = 1 . 2 v v c c = 3 v v c c = 1 . 5 v f i n = 1 0 0 h z f in =1 0 k h z f i n = 1 kh z f i n = 1 0 0 h z t h d = 1 0 % t h d = 1 % t h d = 1 0 % t h d = 1 % f i n = 1 0 k h z f i n = 1 k h z v cc =1.2v r l =16 ? p o =0.5mw r l =16 ? fin=1khz r l =16 ? r l =16 ? fin=1khz r l =32 ? fin=1khz v cc =1.2v r l =32 ? p o =0.5mw fin=1khz r l =16 ? v cc =3v fin=1khz r l =16 ?
LA4537MC no.a2033-6/8 vg -- fin 20 25 30 35 55 60 65 50 60 70 80 90 40 25 27.5 30 32.5 35 0.01 23 57 23 57 1 1.5 2 2.5 3.5 1 23 57 23 57 10 0.1 1 1.5 2 2.5 3 3.5 1 23 57 10 2 3 57 2 3 57 23 57 23 57 23 57 23 57 0.1 1 10 23 10 57 2 3 57 2 3 57 2 3 57 3 1 1.5 2 2.5 3 3.5 10 100 4 supply voltage, v cc -- v vg -- v cc voltage gain, vg -- db 0.5 supply voltage, v cc -- v vno -- v cc output noise voltage, vno -- vrms 50 70 0.5 4 signal source resistance, rg -- k ? vno -- rg output noise voltage, vno -- vrms 40 100 0.1 100 frequency, fin -- khz voltage gain, vg -- db 40 50 40 45 50 frequency, fin -- khz ct -- fin crosstalk, ct -- db 30 60 0.01 100 supply voltage, v cc -- v ct -- v cc crosstalk, ct -- db 35 55 0.5 4 30 40 50 60 2 3 5 7 2 3 5 7 100 capacitance, cref -- f ct -- cref crosstalk, ct -- d b 20 70 1100 capacitance, cref -- f amp on-time -- cref on-time -- msec 10 1000 1100 v cc =1.2v v o =-20dbm r l =16 ? cout=220f v o =-20dbm fin=1khz r l =16 ? cout=220f v cc =1.2v v o =-20dbm rg=1k ? r l =16 ? v cc =1.2v v o =-20dbm f=100hz rg=1k ? r l =16 ? v cc =1.2v r l =16 ? v o =-20dbm fin=100hz rg=1k ? r l =16 ? rg=1k ? r l =16 ? v cc =2.5v r l =16 ?
LA4537MC no.a2033-7/8 svr r -- cref 30 40 50 60 35 40 45 50 55 -- 100 -- 95 -- 90 70 35 40 45 50 55 60 65 1 23 57 23 57 2357 10 1 1.5 2 2.5 3 3.5 0.1 23 57 1 23 57 10 23 57 23 57 1 1.5 2 2.5 3 3.5 1 1.5 2 2.5 3 3.5 0.1 23 57 1 23 57 23 57 10 11.5 0.5 2 2.5 3 4 3.5 100 100 frequency, f -- khz svr r -- f svrr -- db 0.01 supply voltage, v cc -- v svrr -- v cc svrr -- db 30 60 0.5 4 frequency, fin -- khz vmt -- fin mutting level, vmt -- dbm -- 105 -- 85 0.01 100 capacitance, cref -- f svrr -- db -- 100 -- 95 -- 90 1 2 3 4 5 6 7 8 supply voltage, v cc -- v vmt -- v cc mutting level, vmt -- db m -- 105 -- 85 0.5 4 supply voltage, v cc -- v i cco -- v cc quiescent current drain, i cco -- m a 0 9 04.5 0.2 0.4 0.6 0.8 supply voltage, v cc -- v pin voltage -- v cc pin voltage -- v 0 1 0.5 4 v cc =1.0v v r =-30dbm f=100hz rg=1k ? r l =16 ? v cc =1.0v v r =-30dbm rg=1k ? r l =16 ? v r =-30dbm f=100hz rg=1k ? r l =16 ? vin=-10dbm fin=100hz r l =16 ? v1=0.85v v10=0.3v v1=0.85v v10=0.85v r e f ( 5 p i n ) o u t ( 7 p i n , 9 p i n ) v1=0.85v no load no signal v cc =0.9v vin=-10dbm r l =16 ? v1=0.85v v10=0.3v same characteristics during power-off mode same characteristics during power-off mode m u t e o f f m u t e o n
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