SA2011 hangzhou?silan?microelectronics?co.,ltd rev:1.3???????2006.05.22 http:?www.silan.com.cn??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?4 block?diagram absolute?maximum?rating ?(t amb =25 c) characteristics symbol rating unit maximum?supply?voltage v cc ?max 14 v allowable?power??dissipation p d max 900 mw operating?temperature t opr ?25?~?+75 c storage?temperature t stg ?55?~+150 c mic?amp?ic description SA2011?is?suitable?for?audio?mic?amplifier?of?portable?cassette?tape recorder?and?karaoke. features *?built?in?alc?det?circuit. *?built?in?nfb?resistance.?(voltage?gain?is?fixed) gv?=?47db?(?typ.)?:?f=1khz,?alc?off *?alc?level:?vout(alc)?=?0.6vrms(typ.) *?alc?range: r alc ?=?58db(typ.) *?operating?supply?voltage?range:?v cc =4v~14v applications *?cassette?tape?recorder,?karaoke,?etc? ??ordering?information device package SA2011 sip8-7
SA2011 hangzhou?silan?microelectronics?co.,ltd rev:1.3???????2006.05.22 http:?www.silan.com.cn??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?4 electival?dharacteristics ?(v cc =7v,?f r ?=1khz,?r l =10k w ,?t amb= 25 c) characteristics symbol test?condition min. typ. max. unit quiescent?current i ccq ?v in =0,?alc?on -- 5.0 8.0 ma voltage?gain g v -- 45.5 47 48.5 db maximum?output?voltage v om ? thd?=?1% 1.0 1.3 -- vrms total?harmonic?distortion thd v out =?0.3vrms b w ?=?400hz~30khz -- 0.2 0.5 % alc?level v ou t(alc) v in =?0.0178vrms(-35dbv) 0.7 0.8 0.9 vrms alc?range r alc ? 3db?up 40 58 -- db attack?time t atk v in =1.41mvrms(-57.0dbv) ? 0.014vrms(-37.0dbv) -- 0.05 -- s recovery?time t rcv v in =0.014vrms(-37.0dbv) ? 0.447mvrms(-67.0dbv) -- 2 -- s ripple?rejection?ratio r.r.? f=100hz,v ripple ?=?0.1vrms -30 -46 -- db input?resistance r in -- 20 -- k w equivalent?input?noise?voltage v ni b w ?=?20hz~20khz g v =?47db,?r g ?=?2.2k w -- 1.4 3.0 v pin?configuration pin?descriptions pin?no. pin?name description 1 nc no?connection. 2 in- feedback?port. 3 in positive?input?of?amp. 4 gnd ground. 5 out output?of?amp. 6 detout? output?of?alc?det,?connected?to?a?10 f?capacitance?. 7 v cc v cc . note :?when?the?seal?is?looked?in?positive?direction,?the?left?pin?on?the?bottom?is?the?first?pin?(pin?1).
SA2011 hangzhou?silan?microelectronics?co.,ltd rev:1.3???????2006.05.22 http:?www.silan.com.cn??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?4 function?description 1.?this?ic?built-in?alc?detect?circuit.?when?input?large?signal,?the?alc?become?high?level,?and?control?the?output amplitude;?when?input?small?signal,?the?alc?is?shut?down,?output?gain?is?fixed. 2.?voltage?gain?of?amplifier?is?determined?by?the?built-in?negative?feedback?resistance. test?circuit package?outline sip8-7 ??????????????????????????????????????unit:?mm 6 . 5 0 0 . 2 5 2. 54 1. 20 8 . 0 0 0 . 3 0 3 . 4 0 0 . 3 0 0.5 45 2. 80 0. 25 0. 27 0. 07 19 .2 0.3 0 . 7 m a x
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