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ta8122,23ang/afg 2004-10-12 1 toshiba bipolar linear integrated circuit silicon monolithic ta8122ang, TA8122AFG, ta8123ang, ta8123afg 3v av / fm 1chip tuner ic ta8122ang / afg and ta8123ang / afg are the am / fm 1chip tuner ics, which are designed for portable radios and 3v headphone radios. features ? built ? in fm f / e, am / fm if and fm st det ? am detector coil, fm ift and if coupling condenser are not needed. ? for adopting ceramic discriminator and ceramic resonator, it is not necessary to adjust the fm quad detector circuit and fm st det vco circuit. ? s curve characteristics of fm detection output in ta8122ang / afg and ta8123ang / afg are reverse to each other. ta8122ang / afg: reverse characteristic ta8123ang / afg: normal characteristic ? compact pakage ta8122ang / 23ang: shrink dip 24 pin (1.78mm pitch) TA8122AFG / 23afg: mini flat package 24 pin ? operating supply voltage range v cc = 1.8~7.0v (ta = 25c) weight sdip24 ? p ? 300 ? 1.78: 1.2g (typ.) ssop24 ? p ? 300 ? 1.00: 0.31g (typ.)
ta8122,23ang/afg 2004-10-12 2 block diagram (note) we recommend the kit of the ceramic filter and the ceramic resonator which are shown in the table as below. it is necessary to meet the center frequency of the ceramic filter and the ceramic resonator, otherwise there are some cases that the characteristics get worse. manufacturer: murata mfg. co., ltd combination kit name ceramic filter q?ty ceramic resonator q?ty kmfc403 ? z sfe10.7ma5 ? z 2 cda10.7mg16 ? z 1 kmfc411 ? z sfe10.7ma5 ? z 1 cda10.7mg16 ? z 1 kmfc422 ? z sfe10.7ma2 ? z 2 cda10.7mg16 ? z 1 kmfc435 ? z sfe10.7ma5l ? z 2 cda10.7mg16 ? z 1 kmfc445 ? z sfe10.7ma5l ? z 1 cda10.7mg16 ? z 1
ta8122,23ang/afg 2004-10-12 3 explanation of terminals dc voltage (v) (at no signal) pin no. characteristic internal circuit am fm 1 fm ? rf in 0 0.7 2 gnd1 (gnd for rf stage) ? 0 0 3 fm mix 2.3 1.8 4 am mix 2.3 1.8 5 agc (am agc) 0 0 6 v cc2 (v cc for if / mpx stage) ? 3.0 3.0
ta8122,23ang/afg 2004-10-12 4 dc voltage (v) (at no signal) pin no. characteristic internal circuit am fm 7 am if in 3.0 3.0 8 fm if in 3.0 3.0 9 gnd2 (gnd for if / mpx stage) ? 0 0 10 tun led (tuning led) ? ? 11 st led (stereo led) ? ? 12 quad (fm quad. detector) 2.4 2.1
ta8122,23ang/afg 2004-10-12 5 dc voltage (v) (at no signal) pin no. characteristic internal circuit am fm 13 14 r ? out (r ? ch output) l ? out (l ? ch output) 1.0 1.0 15 vco 2.5 2.5 (vco stop mode) 16 lpf2 ? lpf terminal for synchronous detector ? bias terminal for am / fm sw circuit v 16 = v cc am v 16 = open fm 3.0 2.2 (vco stop mode 2.7) 17 lpf1 lpf terminal for phase detector vco stop terminal v 17 = v cc vco stop 2.7 2.2 18 fm st det in 0.7 0.7
ta8122,23ang/afg 2004-10-12 6 dc voltage (v) (at no signal) pin no. characteristic internal circuit am fm 19 det out 1.5 1.2 20 am osc 3.0 3.0 21 fm osc 3.0 3.0 22 v cc1 (v cc for rf stage) ? 3.0 3.0 23 fm rf out cf. pin(1) 3.0 3.0 24 am rf in 3.0 3.0
ta8122,23ang/afg 2004-10-12 7 maximum ratings (ta = 25c) characteristic symbol rating unit supply voltage v cc 8 v led current i led 10 ma led voltage v led 8 v ta8122ang / 23ang 1200 power dissipation TA8122AFG / 23afg p d (note) 400 mw operating temperature t opr ? 25~75 c storage temperature t stg ? 55~150 c note: derated above 25c in the proportion of 9.6mw / c for ta8122ang / 23ang and of 3.2mw / c for TA8122AFG / 23afg
ta8122,23ang/afg 2004-10-12 8 electrical characteristics unless otherwise specified, ta = 25c, v cc = 3v, f / e: f = 83mhz, f m = 1khz fm if: f = 10.7mhz, ? f = 22.5khz, f m = 1khz am: f = 1mhz, mod = 30%, f m = 1khz fm st det: f m = 1khz characteristic symbol test cir ? cuit test condition min. typ. max. unit i cc (fm) 1 v in = 0, fm mode ? 14.0 18.5 supply current i cc (am) 1 v in = 0, am mode ? 6.0 8.3 ma input limiting voltage v in (lim.) 1 ? 3db limiting ? 14.0 ? dbv emf local osc voltage v osc 2 f osc = 72.3mhz 70 105 140 mv rms f / e input limiting voltage v in (lim.) if 1 ? 3db limiting 39 44 49 dbv emf recovered output voltage v od 1 v in = 80dbv emf 55 80 110 mv rms signal to noise ratio s / n 1 v in = 80dbv emf ? 70 ? db total harmonic distortion thd 1 v in = 80dbv emf ? 0.4 ? % am rejection ratio amr 1 v in = 80dbv emf ? 50 ? db fm in led on sensitivity v l 1 i l = 1ma 43 48 53 dbv emf gain g v 1 v in = 23dbv emf 20 40 80 mv rms recovered output voltage v od 1 v in = 60dbv emf 50 60 100 mv rms signal to noise ratio s / n 1 v in = 60dbv emf ? 44 ? db total harmonic destortion thd 1 v in = 60dbv emf ? 1.0 ? % am led on sensitivity v l 1 i l = 1ma 19 24 29 dbv emf fm mode ? 0.75 ? pin(19) output resistance r 19 1 am mode ? 12.5 ? k ?
ta8122,23ang/afg 2004-10-12 9 characteristic symbol test cir ? cuit test condition min. typ. max. unit input resistance r in ? ? ? 24 ? output resistance r out ? ? ? 5 ? k ? max. composite signal input voltage v in (max.) stereo 1 l + r = 90%, p = 10% f m = 1khz, thd = 3% ? 350 ? mv rms f m = 100hz ? 42 ? f m = 1khz 35 42 ? separation sep. 1 l + r = 135mv rms p = 15mv rms f m = 10khz ? 42 db monaural thd (monaural) v in = 150mv rms ? 0.2 ? total harmonic distortion stereo thd (stereo) 1 l + r = 135mv rms , p = 15mv rms ? 0.2 ? % voltage gain g v (fm st det) 1 v in = 150mv rms ? 5 ? 3 ? 1 channel balance c.b. 1 v in = 150mv rms ? 2 0 2 db on v l (on) ? 8 15 stereo led sensitivity off v l (off) 1 pilot input 2 6 ? mv rms stereo led hysteresis v h 1 to led turn off from led turn on ? 2 ? mv rms capture range c.r. 1 p = 15mv rms ? 1.3 ? % fm st det signal to noise ratio s / n 1 v in = 150mv rms ? 70 ? db
ta8122,23ang/afg 2004-10-12 10 test circuit 1
ta8122,23ang/afg 2004-10-12 11 test circuit 2 coil data turns coil no. test freq. l (h) c o (pf) q o 1 ? 22 ? 31 ? 31 ? 44 ? 6 wire (mm ) reference l 1 fm rf 100mhz ? ? 100 ? ? ? 2 2 1 ? 0.5uew (s) 53t ? 037 ? 202 l 2 fm osc 100mhz ? ? 100 ? ? 2 4 3 ? ? 0.5uew (s) 0258 ? 244 t 1 am osc 796khz 288 ? 115 13 73 ? ? ? 0.08uew (s) 4147 ? 1356 ? 038 t 2 am ift 455khz ? 180 120 ? ? 180 ? 15 0.08uew (s) 2150 ? 2162 ? 165 (s): sumida electric co., led.
ta8122,23ang/afg 2004-10-12 12 fm detection circuit for the fm detection circuit, detection coil is able to use instead of ceramic discriminator. recommended circuit and recommended coil are as follows. in this case, please take care that v in (lim.) falls a little. turns test frequency c o (pf) q o 1 ? 2 2 ? 31 ? 34 ? 6 wire (mm ) ref 10.7mhz 100 100 ? ? 12 ? 0.12uew sumida electric co., ltd 2153 ? 4095 ? 189 or equivalent
ta8122,23ang/afg 2004-10-12 13
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ta8122,23ang/afg 2004-10-12 15
ta8122,23ang/afg 2004-10-12 16 package dimensions weight: 1.2g (typ.)
ta8122,23ang/afg 2004-10-12 17 package dimensions weight: 0.31g (typ.)
ta8122,23ang/afg 2004-10-12 18 ? the information contained herein is subject to change without notice. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba for any infringements of patents or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of toshiba or others. ? toshiba is continually working to improve the quality an d reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. ? the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfuncti on or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. ? the products described in this document are subject to the foreign exchange and foreign trade laws. ? toshiba products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations. 030619eba restrictions on product use about solderabilit y, following conditions were confirmed ? solderability (1) use of sn-63pb solder bath solder bath temperature = 230c dipping time = 5 seconds the number of times = once use of r-type flux (2) use of sn-3.0ag-0.5cu solder bath solder bath temperature = 245c dipping time = 5 seconds the number of times = once use of r-type flux

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