SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?10 block?diagram 3v?am/fm?+mpx?tuner?ic(for?mechanical?tuning) sdip-24-300-1.778 ssop-24-300-0.65 ssop-24-300-1.0 sop-24-375-1.27 description the? SA2111C? is? am/fm? single- chip? tuner? ic,? which? is? designed? for portable?radios?and?3v?head?phone?radios.?i t? is?suitable?for?digit?tuning system,?and?fm?local?oscillation?voltage?is?set?up?low?rel ativity,?for?new fcc. features *?operating?supply?voltage?range:?v cc =1.8~7v?(t amb =25 c) *?am?detector?coil,?fm?ift,?if?coupling?condenser?are?not?needed. * ?for?adopting?ceramic?discriminator,?it?is?not?necessary?to?adjust?the fm?quad?detector?circuit. *?built-in?fm?mpx?vco?circuit *?built-in?varactor?diode?for?afc *?built-in?am?low?cut?circuit *?low?supply?current.?(v cc =3v,?t amb =25 c) i ccq (fm)=9.0ma?(typ.) i ccq (am)=5.0ma?(typ.) note:? handle? with? care? to? prevent? devices? from? deteriorations? by esd. ordering?information device package SA2111C? sdip-24-300-1.778 SA2111Cs ssop-24-300-0.65 SA2111Ca sop-24-375-1.27 SA2111Cb ssop-24-300-1.0
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?10 absolute?maximum?ratings (t amb =25 c) characteristic symbol value unit supply?voltage v cc 8 v led?current i led 10 ma led?voltage v led 8 v power?dissipation p d ?(note) 1200 mw operating?temperature t opr -20~+70 c storage?temperature t stg -40~+125 c note:?derated?above?tamb=25 c?in?the?proportion?of?9.6mw/ c?for?SA2111C. electrical?characteristics (unless?otherwise?specified,?t amb =25c,?v cc =3v,?f/e?:?f=98?mhz, fm=1?khz?,?fm?if?:?f=10.7?mhz, d f?= 22.5?khz,?fm=?1?khz,?am?:?f=1?mhz,?mod=30%,?fm=1?khz,?mpx:?fm=1khz) (to?be?continued) characteristics symbol test?condition min. typ. max. unit i cc (fm) v in =0,?fm?mode -- 9 12.5 supply?current i cc (am) v in =0,?am?mode -- 5 7.5 ma input?limiting?voltage v in (lim)? -3db?limiting -- 7 -- db m v emf f/e local?osc?voltage v osc ?f osc =108.7mhz -- 105 --? mvrms input?limiting?voltage vin(lim)?if -3db?limiting 35 40 45 db m v emf recovered?output?voltage v od ?v in =80db m v?emf 90 105 120? mv rms signal?to?noise?ratio s/n v in =80db m v?emf -- 65 -- db total?harmonic?distortion thd vin =80db m v?emf -- 0.2 -- % am?rejection?ration amr?v in =80db m v?emf -- 50 -- db led?on?sensitivity v l il =1ma 40 45 50 db m v emf fm if soft?mute?attenuation mute?v in =0 -- 20 -- db gain gv v in =25db m v?emf 18 35 70? mv rms recovered??output?voltage vod?v in =60db m v?emf 50 70 90? mv rms signal?to?noise?ratio s/n v in =60db m v?emf -- 41 -- db total?harmonic?distortion thd? v in =60db m v?emf -- 0.7 -- % am led?on?sensitivity v l i l =1ma 23 28 33 db m v emf fm?mode -- 0.75 -- pin?(18)?output?resistance r18 am?mode -- 15.5 -- k w input?resistance r in -- -- 55 -- k w output?resistance r out ? -- -- 5 -- k w mpx max.?composite?signal?input voltage v in ?max (stereo) l+r=90%,? p=10%,? fm=1khz, thd=3% -- 700 --? mv rms
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?10 (continued) pin?configuration pin?description pin?no. symbol description 1 fm-rf?in fm-rf?input 2 rf?gnd gnd?for?fm?rf,?fm?osc?stage 3 am?low?cut am?low?frequency?cut?down 4 mix?out fm?&?am?mix?output 5 agc automatic?gain?control 6 v cc vcc?for?am,?fm?if,?fm?mpx?stage 7 am?if?in am?if?input (to?be?continued) characteristics symbol test?condition min. typ. max. unit fm=100hz -- 45 -- fm=1khz 35 45 -- separation sep l+r=180mv rms , p=20mv rms fm=10khz -- 45 -- db monaural thd (monaural) v in =200mv rms -- 0.3 -- mpx total harmonic distortion stereo thd (stereo) l+r=180mv rms ,?p=20mvrms -- 0.3 -- % voltage?gain gv v in =200mv rms -2.5 -1 0.5 db channel?balance c.b.? v in =200mv rms -1.5 0 1.5 db on v l (on) -- 8 12 stereo led sensitivity off v l (off) pilot?input 3 6 -- mv rms stereo?led?hysteresis v h to? led?turn? off? from?led?turn on -- 2 --? mv rms capture?range c.r.? p=20mv rms -- 8 -- % mpx signal?to?noise?ratio s/n -- -- 80 -- db
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?10 (continued) pin?no. symbol description 8 fm?if?in fm?if?input 9 gnd gnd?for?am,?fm?if,?fm?mpx?stage 10 tun?led tuning?led 11 st?led stereo?led 12 quad fm?quad.?detector 13 14 r-out l-out r-channel?output l-channel?output 15 lpf1 ?lpf?terminal?for?synchronous?detector ?vco?stop?terminal?v15=vcc ? vco?stop 16 lpf2 ?lpf?terminal?for?phase?detector ?bias?terminal?for?am/fm?sw?circuit v16=vcc ? am v16=open ? fm 17 mpx?in mpx?input 18 det?out fm?&?am?detect?output 19 afc auto?frequency?control 20 am?osc am?osc 21 fm?osc fm?osc 22 rf?v cc vcc?for?fm?osc?stage 23 fm?rf?out fm?rf?output 24 am?rf?in am?rf?input function?description application?note: 1. am?low-cut?circuit when?pin3?is?open,?no?af?signal?can?pass?through?the?amp?stage?because?of?the?common?mode. when?the?value?of?c3?that?connected?to?pin3?is?over?1uf,?all?af?signal?can?pass?through?the?amp?stage. the?cut-off?frequency?fl?is?determined?by?the?internal?resistance?22k w ?(typ.)?and?the?external?capacitor?c3?as below: c3 x 3 10 ?x 22 ?x ? ?x 2 1 f l = (hz) it? is? possible? to? reduce? the? recovered? output? level? at? am? mode,? by? additional? resistance? between? the? pin? (3) and?gnd?line.
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?10 2. fm?detection?circuit the?detection?coil?can?take?replace?the?ceramic?discriminator?in?the?fm?detection?circuit.?recommended?circuit and?recommended?coil?are?as?follows.?in?this?case,?please?take?care?that?vin?(lim)?falls?a?little. test?circuit (1)
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?10 test?circuit?(2) coil?data turns coil?no. test freq. l ( m h) co (pf) qo 1-2 2-3 1-3 1-4 4-6 wire (mm ? ) reference l1?fm?rf 100mhz -- -- 79 -- -- -- 2 2 1 -- 0.16uew toko?co.,?ltd. 666snf-305nk l2?fm?osc? 100mhz -- -- 76 -- -- -- 2 -- 0.16uew toko?co.,?ltd. 666snf-306nk t1?am?osc? 796khz 268? -- 65 19? 95? -- -- -- 0.05uew toko?co.,?ltd. 5pnr-5146y t2?am?ift?? 455khz -- 470? 60 -- -- 109 -- 7 0.05uew toko?co.,?ltd. 5pnr-5147y
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?10 typical?application?circuit v c 1 0 1 - b v c 1 0 1 - a a m f m s t s w 1 a m f m v c 1 0 1 - e v c 1 0 1 - f
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?10 package?outline sdip-24-300-1.778 unit:?mm ssop-24-300-0.65 unit:?mm
SA2111C hangzhou?silan?microelectronics?co.,ltd ????????????????rev:?1.1????????2005.10.26 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?10 package?outline (continued) sop-24-375-1.27 unit:?mm 15 . 34 0. 25 13 . 97 1. 27 0. 40 3. 10max 0. 25 0. 05 ssop-24-300-1.0 unit:?mm 6 . 0 0 . 2 7 . 9 0 . 3 1 . 8 0 . 2 1 . 8 0 . 2 2 . 2 m a x 0 . 1 + 0 . 1 - 0 . 0 5 7 . 6 2 0 . 5 2 5 0 . 2
|
