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62409 ms pc/51198rm(ki) no.5837-1/12 specifications of any and all sanyo semiconductor co.,l td. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer ' s products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LA1828 overview the LA1828 is a single-chip tuner ic for fm and am with built-in mpx-vco which requires no adjustment and no external parts. features ? single-chip tuner with am, fm-fe/fm-if, mpx circuitry ? built-in adjustment-free mpx-vco (noceramic oscillator required) ? reduced fm-fe oscillation level ? fm stereo indication and am/fm tuning indication outputs can directly drive leds functions ? am : rf amplifier, mixer, oscillator, if amplifier, detector, agc, tuning display output ? fm-fe : rf amplifier, mixer, oscillator ? fm-if : if amplifier, quadrature detector, signal strength meter, tuning display output ? mpx : pll stereo decoder, stereo display output, forced mono, internal vco specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max 7.0 v indicator drive current i led pins 8, 9 20 ma allowable power dissipation pd max ta 70 c 300 mw operating temperature topr -20 to +70 c storage temperature tstg -40 to +125 c monolithic linear ic for portable radio/cassette recorders with manual tuning single-chip tuner ic orderin g numbe r : en5837a
LA1828 no.5837-2/12 operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 4.5 v operating supply voltage range v cc op 2.5 to 6.0 v electrical characteristics at ta = 25c, v cc = 4.5v, in specified test circuit, using yamaichi electronics socket ic-179-2 ratings parameter symbol conditions min typ max unit fm-fe characteristics fc = 98mhz, fm = 1khz, 30% mod. local oscillator voltage v osc f osc = 108.7mhz, pin 20 output *measured with fet buffer (-10db gain) 40 80 160 mvrms 3db sensitivity 3db ls 60db , 30% mod. output, -3db input 13 db effective sensitivity qs input for s/n = 30db 12 db fm-if monaural characteristics fc = 10.7mhz, fm = 1khz, 100% mod. quiescent current i cco (fm) no input 8 16 23 ma demdulator output v o 100db , pin 16 output 130 190 260 mvrms signal-to-noise ratio s/n 100db , pin 16 output 62 70 db total harmonic distortion (mono) thd 100db , pin 16 output 0.4 1.2 % 3db sensitivity 3db ls 100db , 100% mod. output, -3db input 21 32 42 db tu-led sensitivity sd-on 33 db fm-if stereo characteristics fc = 10.7mhz, fm = 1khz, l + r = 90%, pilot = 10% separation sep 100db , l-mod, pin 16/pin 17 output 25 40 db st-led sensitivity st-on 100db , pilot modulation for pin 8 voltage < 0.5v 1.5 3.5 6.3 % total harmonic distortion (main) thd 100db , main modulation, pin 16 output 0.5 1.2 % am characteristics fc = 1000khz, fm = 1khz, 30% mod. quiescent current i cco (am) no input 5 8.5 15 ma v o 1 23db , pin 16 output 18 40 70 mvrms demdulator output v o 2 80db , pin 16 output 50 85 130 mvrms s/n1 23db , pin 16 output 15 20 db signal-to-noise ratio s/n2 80db , pin 16 output 47 53 db thd1 80db , pin 16 output 0.5 1.3 % total harmonic distortion thd2 107db , pin 16 output 0.5 1.5 % tu-led sensitivity sd-on 26 db package dimensions unit : mm (typ) 3067b sanyo : dip24s(300mil) 1 12 24 13 21.0 3.9 max 0.51min 3.3 0.95 6.4 7.62 0.25 1.78 0.48 0.9 (0.71) (3.25)
LA1828 no.5837-3/12 block diagram 1 234 5 678 910 11 12 24 23 22 21 20 19 18 17 16 15 14 13 am rf reg am osc am mix fm mix v cc 1 gnd1 fm rf gnd2 b.p.f. v cc 2 fm osc tun led st led fm-if s-meter am-if det vco st-sw decoder phase comp trig pilot det ff agc det ff ff + + + + + + am ant am/fm tun fm st 10.7m 450k v-agc v-sm v cc mn st am fm l-out r-out fm ant
LA1828 no.5837-4/12 test circuit 1 234 5 678 9101112 24 23 22 21 20 19 18 17 16 15 14 13 b.p.f. + + + + + + v-sm v cc = 4.5v mn st am fm + amp l.p.f amp l.p.f am ant-input (1000khz) 0.047 f 0.047 f 10 f 51 39mh v-reg am-osc hw-50425 10pf 24pf 100 f 0.047 f fm-ift yt-30224 am-ift yd-1073-1 10.7m am/fm sd 1k fm st 1k fm if-input (10.7mhz) 300 51 0.047 f 22 f 2.2k fm-det yt-30103 3.3 f 3.3k 0.1 f 0.47 f 6800pf 6800pf 2200pf 4.7 f 18pf 15pf 30pf 1000pf 1000pf fm-osc sa-151 10 10 fm-rf sa-149 1000pf sa-309 fm ant-input (98mhz) fm-vosc (108.7mhz) 2sk315 100k 100 5pf +5.0v 0db r-out l-out LA1828
LA1828 no.5837-5/12 pin description and quiescent voltage at v cc = 4.5v quiescent voltage (v) pin no. pin function am fm description equivalent circuit 1 am rf input 1.3 1.3 am ant enna coil connected between pins 1 and 2 (reg). 1 2 2 reg 1.3 1.3 vreg = 1.3v 2 3 am-osc 4.5 4.5 oscillator co il connected between pins 3 and 4 (v cc 1). 3 4 4 v cc 1 4.5 4.5 am/fm-in/mpx block v cc 5 fm mixer output 4.5 4.5 mixer co il connected between pins 5 and 4 (v cc 1). 4 5 6 gnd1 0 0 am/fm-in/mpx section ground 7 am mixer output 4.5 4.5 mixer co il connected between pins 7 and 4 (v cc 1). 7 4 8 tu-led output 4.5 4.5 active low open-collector output can directly drive led (i c max = 20ma) 8 continued on next page.
LA1828 no.5837-6/12 continued from preceding page. quiescent voltage (v) pin no. pin function am fm description equivalent circuit 9 st-led output and am-if output 4.5 4.5 active low open-collector output can directly drive led (i c max = 20ma) in am operation, am-if signal (450khz) is output here. 9 10 fm-if input 1.3 1.3 r in = 330 10 2 r in 11 am-if input 1.3 1.3 r in = 2k 11 2 r in 12 am-agc output and fm s meter output 0.7 0.2 internal load resistance r = 16.6k 12 r 13 fm detector 4.5 4.5 detector coil connected between pins 13 and 4 (v cc 1). 13 14 pilot tone detector filter and forced mono switching 2.9 3.8 mono mode is forced on by connecting pin 14 to ground. 14 15 phase comparator filter and am/fm switching 0 3.8 fm reception mode is enabled when pin 15 is open. am reception mode is enabled when pin 15 is connected to ground. 15 16 17 l output r output 1.4 1.4 r out = 7.5k 16 17 r out continued on next page.
LA1828 no.5837-7/12 continued from preceding page. quiescent voltage (v) pin no. pin function am fm description equivalent circuit 18 mpx input 1.3 1.3 r in = 50k 18 r in 19 fm detector output and am detector output 0.5 1.5 output impedance am : r out = 50k fm : r out = 500 capacitance between pin 19 and ground should be optimzed for the best separation characteristics. 19 r out (fm) r out (am) 20 fm-osc 4.5 4.4 colpitts oscillator circuit fm oscillator coil is connected to pin 20. 21 20 21 v cc 2 4.5 4.4 fm-fe block v cc power is supplied from pin 4 (v cc 1) via external resistor (10 ). 21 4 r 22 24 fm-rf output fm-rf input 4.5 0 4.4 1.0 fm rf coil is connected between pins 22 and 21 (v cc 2). r in = 1.8k 21 22 24 23 gnd2 0 0 fm-fe brock ground
LA1828 no.5837-8/12 coil specifications (bottom view) ? fm-bpf : sa-309 (sumida) 88 to 108mhz ? fm-rf : sa-149 (sumida) 3.6mm dia., air core, 0.6mm wire, 4 1/2 t ? fm-osc : sa-151 (sumida) 3.6mm di a., air core, 0.6mm wire, 3 1/2 t ?fm-mix : sa-165 (sumida) 4-6 2t 3-1 12t 0.12uew fo = 10.7mhz qo 50 with 100pf internal capacitor ?am-osc : sa-181 (sumida) 6-4 37t 3-1 74t 0.06uew fo = 796khz qo 80 l = 140 h ?fm-det : sa-1134 (sumida) 1-3 12t 0.10uew fo = 10.7mhz qo 70 with 82pf internal capacitor ?am-ift : sa-1136 (sumida) 3-2 122t 4-6 9t 2-1 62t 0.06uew fo = 450khz qo 65 with 82pf internal capacitor ?fm-if filter : sfe10.7m s2 (murata) ?am-if filter : sfu450b (murata) ?poly-varicon : ft-2217 (toko) or pvc-22ktl (mitsumi) ?mw bar antenna : tya-1005 (mitsumi) 1-2 68t 3-4 9t fo = 796khz qo 230 l = 260 h ?fm-mix : yt-30224 (mitsumi) for dut 6-4 2t 1-3 8t 0.12uew fo = 10.7mhz qo 80 with 150pf internal capacitor ?am-osc : hw-50425 (mitsumi) for dut 3-2 2t 4-6 9t 2-1 86t qo 80 l = 270 h ?fm-det : yt-30103 (mitsumi) for dut 1-3 10t fo = 10.7mhz qo 90 with 82pf internal capacitor ?am-ift : yd-1073-1 (mitsumi) for dut 1-2 58t 4-6 7t 2-3 94t fo = 450khz with 180pf internal capacitor 3 1 2 4 6 ss 3 1 2 4 6 s s 3 1 2 4 6 s 3 1 2 4 6 s s ss 1 2 3 4 3 1 2 4 6 ss 3 1 2 4 6 s s 3 1 2 4 6 s 3 1 2 4 6 sfu450b s s
LA1828 no.5837-9/12 sample application circuit 1234 5 678 9101112 24 23 22 21 20 19 18 17 16 15 14 13 b.p.f. + + + + + + v-sm v cc = 4.5v mn st am fm + 0.047 f 10 f v-reg am-osc sa-181 390pf 27pf 18pf 100 f 0.047 f 100 fm-ift sa-165 am-ift sa-1136 10.7mhz 450khz am/fm sd 1k fm st 1k 22 f 2.2k fm-det sa-1134 3.3 f 3.3k 0.1 f 0.47 f 6800pf 6800pf 1800pf 4.7 f 18pf 15pf 30pf 1000pf 1000pf fm-osc sa-151 10 10 fm-rf sa-149 1000pf sa-309 fm antenna LA1828 am antenna tya-1005
LA1828 no.5837-10/12 --100 --90 --80 --70 --60 --50 --40 --30 --20 --10 0 0 1 2 3 4 5 0 0.5 1.0 1.5 2.0 2.5 --20 80 0 20 40 60 0 20 40 60 80 100 120 100 120 140 0.1 10 60 0.01 23 57 0.1 23 57 1.0 22 357 10 23 57 0.1 23 57 1.0 22 357 10 3 0.01 3 ant input -- db output -- dbm 0 10 20 30 40 50 60 70 10 20 80 --80 --70 --60 --50 --40 --30 --20 --10 0 0 1 2 3 4 5 123456 23456 7 power supply voltage, v cc -- v qs,ls,sd -- db s/n -- db output, v o -- dbm fm v cc characteristics 0 2 3 5 7 2 3 5 7 1.0 0 10 20 30 40 50 30 1 2 3 4 5 6 90 100 7 power supply voltage, v cc -- v quiescent current, i cco -- ma fm characteristics mpx characteristics 0 10 20 30 40 50 60 70 80 80 110 reception frequency, fr -- khz qs,ls,sd -- db s/n -- db modulation frequency, fm -- khz separation, sep -- db 17 power supply voltage, v cc -- v total harmonic distortion, thd -- % --20 140 ant input -- db total harmonic distortion, thd -- % s meter voltage, v sm -- v fm characteristics modulation frequency, fm -- khz total harmonic distortion, thd -- % mpx characteristics fm characteristics fm v cc characteristics fm v cc characteristics v cc = 4.5v fc = 98mhz fm = 1khz, 22.5khzdev fc = 98khz v in = 60db fm = 1khz, 22.5khzdev v cc = 3v v in = 80db fm = 1khz v cc = 4.5v v in = 60db fc = 98mhz l + r = 90% pilot = 10% v cc = 4.5v v in = 60db fc = 98mhz l + r = 90% pilot = 10% fc = 98mhz v in = 60db fm = 1khz fc = 4.5khz v in = 60db fm = 1khz, 22.5khzdev v cc = 4.5v fc = 98mhz fm = 1khz signal s/n mono sep-r sep-l main st sub ls sd qs v o s/n ls sd qs v sm thd = 75khzdev thd = 75khzdev thd = 22.5khzdev thd = 25khzdev am out noise
LA1828 no.5837-11/12 --100 --90 --80 --70 --60 --50 --40 --30 --20 --10 --90 --80 --70 --60 --50 --40 --30 --20 --10 0 0 0.5 1.0 1.5 2.0 080 20 40 60 20 40 60 80 100 120 20 40 60 80 100 120 100 120 140 0 80 400 600 800 1000 1200 1400 1600 1800 ant input -- db/m output -- dbm 0 1 2 3 4 10 20 30 40 50 60 5 --100 0 0 20 40 60 80 100 120 140 ant input -- db/m total harmonic distortion, thd -- % am v cc characteristics 0 10 20 30 40 50 60 70 70 --70 --60 --50 --40 --30 --20 --80 --10 02 1 3456 123456 7 power supply voltage, v cc -- v sensitity -- db/m s/n -- db detector output, v o -- dbm am v cc characteristics 0 1 2 3 4 5 07 power supply voltage, v cc -- v total harmonic distortion, thd -- % 0 140 ant input -- db/m output -- dbm 0 140 ant input -- db/m agc voltage, v agc -- v 0 5 10 15 20 25 quiescent current, i cco -- ma am characteristics reception frequency, fr -- khz sensitity -- db/m s/n -- db am characteristics am characteristics am characteristics am characteristics v cc = 4.5v fc = 1mhz fm = 1khz, 30%mod v cc = 4.5v fc = 900khz fm = 1khz, 30%mod v cc = 4.5v fc = 1mhz fm = 1khz fc = 1mhz v in = 74db/m fm = 1khz, 30%mod v cc = 4.5v v in = 74db/m fm = 1khz, 30%mod fc = 1mhz v in = 74db/m fm = 1khz, 30%mod v cc = 4.5v fc = 1mhz signal i cco maximum sensitivity (input for 20mv output) maximum sensitivity (input for 20mv output) thd = 80% thd = 30% thd = 80% thd = 30% signal s/n s/n sd sd qs qs v o if beat noise
LA1828 ps no.5837-12/12 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. this catalog provides information as of june, 2009. specifications and information herein are subject to change without notice.

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