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n1506 ms pc b8-8120, b8-5863 no.6854-1/12 any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor products described or contained herein. overview the LA1823 and the LA1823m are single-chip tuner ics that incorporate fm/am and mpx circuits and support electronic tuning. the built-in mpx-vco allows these ics to be adjustment-free and to require no external components. features ? am, fm frontend/if and mpx integrated in a single-chip. ? built-in mpx vco circuit ? electronic tuning (am oscillator output, am/fm if output) ? adjustment-free fm detection (uses a ceramic discriminator) ? packages : dip24s (300mil) [LA1823] mfp24s (300mil) [LA1823m] functions am : rf amplifier, mixer, oscillator, oscillator buffer , if amplifier, detector, agc, if count buffer output. fm-rf : rf amplifier, mixer, and oscillator. fm-if : if amplifier, quadrature detector, s-meter, and if counter buffer output. mpx : pll stereo decoder, stereo indicator, forced monaural, vco on chip, audio mute. 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 pin 8 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 ics single-chip tuner ics for use in radio cassette recorder orderin g numbe r : en6854a LA1823 LA1823m
LA1823, LA1823m no.6854-2/12 operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 4.5 v operation supply voltage range v cc op 1.8 to 6.0 v operating characteristics at ta = 25 c, v cc = 4.5v, in the specified test circuit ratings parameter symbol conditions min typ max unit quiescent supply current fm-mode quiescent current i cc (fm) 10.0 15.0 20.0 ma am-mode quiescent current i cc (am) 6.5 9.2 14.5 ma fm front-end characteristics at fc = 98mhz, v in = 60db v emf, fm = 1khz, 22.5khz dev local oscillator voltage v osc no. input, fosc = 108.7mhz, the pin 20 output 100 mvrms input limiting voltage 3db l.s. referenced to 22.5khz dev, a 3db down input 12 db v emf fm if characteristics (monaural) at fc = 10.7mhz, v in = 100db v, fm = 1khz, 75khz dev demodulation output v o the pin 16 output 125 165 210 mvrms signal-to-noise ratio s/n the pin 16 output 63 72 db total harmonic distortion (monaural) thd the pin 16 output 0.5 1.5 % input limiting voltage 3db l.s. referenced to 75khz dev, a 3db down input 31 38 45 db v if count buffer on level if buff on no modulation 35 45 55 db v if count buffer output v if buff no modulation, the pin 7 output 120 180 240 mvrms fm if characteristics (stereo) at fc = 10.7mhz, v in = 100db v, fm = 1khz, 75khz dev, l+r = 90%, pilot = 10% separation sep left channel modulated, the pin 16 and pin 17 outputs 25 40 db stereo on level st-on the pilot modulation such that the pin 8 voltage becomes lower than 0.5v 2.4 3.5 7.2 % total harmonic distortion (stereo) thd main modulation, the pin 16 output 0.5 1.7 % am characteristics at fc = 1000khz, fm = 1khz, mod = 30% v o 1 v in = 23db v, the pin 16 output 14 26 50 mvrms detector output v o 2 v in = 80db v, the pin 16 output 50 75 120 mvrms s/n1 v in = 23db v, the pin 16 output 15 20 db signal-to-noise ratio s/n2 v in = 80db v, the pin 16 output 47 54 db total harmonic distortion thd v in = 80db v, the pin 16 output 0.5 1.5 % osc buffer output v osc buff no input, the pin 8 output 80 100 160 mvrms if count buffer on level if buff on no modulation 15 25 32 db v if count buffer output v if buff v in = 80db v, no modulation, the pin 7 output 110 180 220 mvrms
LA1823, LA1823m no.6854-3/12 package dimensions unit : mm (typ) 3067b [LA1823] 3112b [LA1823m] 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) sanyo : dip24s(300mil) sanyo : mfp24s(300mil) 1 12 13 24 12.5 0.63 7.6 5.4 0.15 1.0 0.35 (0.75) 1.7max 0.1 (1.5)
LA1823, LA1823m no.6854-4/12 block diagram 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 24 + + + + + + + st fm am l-out r-out mono v tune fm ant am ant am / fm if buff mute st am osc buff 10.7mhz 450khz v cc bpf reg v cc 1 gnd1 agc ff ff ff vco stsw mute decoder trig st sd v cc 2 gnd2 fm rf am rf am mix am osc fm osc fm mix osc buffer if buffer fm if fm s-meter am if am det phase comp pilot det fm det
LA1823, LA1823m no.6854-5/12 sample application circuit diagram 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 24 + + + + + + + am-mix st fm am l-out r-out mono v tune fm ant am-ant am-osc svc348 am / fm if buff seek st am osc buff 10.7mhz 450khz v cc bpf reg v cc 1 gnd1 agc ff ff ff vco stsw mute decoder trig st sd v cc 2 gnd2 fm rf am rf am mix am osc fm osc fm mix osc buffer if buffer fm if fm s-meter am if am det phase comp pilot det fm det 100k ? 10k ? 100k ? 100 ? 10 ? 10 ? 10pf 22pf 470pf 100pf 100pf 8pf 0.047 f 0.047 f 0.047 f 100 f 22 f 10 f 2sc2999 fm osc buff svc201 svc201 fm-osc fm-det fm-rf 33k ? 33k ? 33k ? 220k ? 1.2k ? 3.3k ? 0.047 f 4.7 f 4.7 f 3.3 f 0.22 f 0.047 f 1000pf 1000pf 1000pf 1000pf 1000pf 2700pf 6800pf 6800pf 3pf 8pf 12pf
LA1823, LA1823m no.6854-6/12 measurement circuit diagram 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 24 + + + + + + + sa-1136 st fm am r-out l-out mono v tune fm in am in sa-181 svc348 am / fm if buff seek st am vosc fm if in sfe10.7ma5 sfu450b v cc =4.5v bpf sa-309 reg v cc 1 gnd1 agc ff ff ff vco stsw mute decoder amp amp lpf lpf trig st sd v cc 2 gnd2 fm rf am rf am mix am osc fm osc fm mix osc buffer if buffer fm if fm s-meter am if am det phase comp pilot det fm det 100k ? 10k ? 100k ? 51k ? 39m 51 ? 300 ? 10 ? 10 ? 22pf 470pf 100pf 100pf 0.047 f 0.047 f 0.047 f 0.047 f 100 f 0.047 f 22 f 10 f 2sk315 +5.0v fm vosc 0db svc201 svc201 sa-151 cda10.7mg1 sa-149 33k ? 33k ? 33k ? 100k ? 3.3k ? 0.047 f 4.7 f 4.7 f 3.3 f 0.22 f 0.047 f 1000pf 1000pf 1000pf 2700pf 6800pf 6800pf 3pf 8pf 12pf
LA1823, LA1823m no.6854-7/12 coil specifications (bottom view) ? fm-bpf : sa-309 (sumida) 88mhz to 108mhz ? fm-rf : sa-149 (sumida) 3.6mm diameter, air core, 0.6mm wire, 41/2 t ? fm-osc : sa-151 (sumida) 3.6mm diameter, air core, 0.6mm wire, 31/2 t ? fm-if filter, discriminator : sk107m1-ae-10, cdf107f-ae-029 (toko) sfe10.7ma5, cda10.7mg1-a (murata) : tentative ? am-osc : sa-181 (sumida) 6-4 37t 3-1 74t 0.06uew fo = 796khz qo 80 l = 140 h : l7brs-3132aq (toko) 3-1 64t 6-4 32t 0.06-2uew fo = 796khz qo 65 l = 140 h ? am-mix : sa-1136 (sumida) 3-2 122t 4-6 9t 2-1 62t 0.06uew fo = 450khz, qo 65 180pf internal : pcfaz-082 (toko) 1-2 47t 2-3 100t 4-6 12t fo = 450khz 180pf internal with am-if filter ? am-if filter : sfu450b (murata) ? mw bar-antenna : c8e-a0105 (toko) 1-2 67t 3-4 9t fo = 796khz qu = 180min l = 260 h 3 1 2 4 6 s vc gnd pin3 v cc s 3 1 2 4 6 s vc gnd pin3 v cc s v cc pin9 cf gnd s 3 1 2 4 6 s s v cc pin9 gnd 3 1 2 4 6 acfa-450l08 s s pin1 gnd vc pin2 ss 1 2 3 4
LA1823, LA1823m no.6854-8/12 pin descriptions and quiescent voltage at v cc = 4.5v quiescent voltage (v) pin number function am fm remarks equivalent circuit 1 am-rf input 1.2 1.2 connect the am antenna coil between this pin and pin 2 (reg) 2 reg 1.2 1.2 3 am-osc 4.5 4.5 connec t the am oscillator coil between this pin and pin 4 (v cc 1) 4 v cc 1 4.5 4.5 am/fm-if/mpx block v cc 5 fm-mix output 2.4 2.2 rout = 270 ? 6 gnd1 0 0 am/fm-if/mpx block ground 7 if buffer output and mute switch 4.5 4.5 v7 1.3v : if buffer output and muting on continued on next page. 1 3 2 2 4 7 5 rout
LA1823, LA1823m no.6854-9/12 continued from preceding page. quiescent voltage (v) pin number function am fm remarks equivalent circuit 8 stereo indicator, am-oscillator buffer output 4.5 4.5 active-low open-collector output am oscillator signal is output in am mode 9 am-mix output 4.5 4.5 connect th e am mixer coil between this pin and pin 4 (v cc 1) 10 fm-if input 1.2 1.2 rin = 330 ? 11 am-if input 1.2 1.2 rin = 2k ? 12 am-agc output and fm signal meter output 0.4 0.1 internal load resistance r = 16.6k ? 13 fm-det 3.9 3.7 recommended ceramic discriminator : cdf107f-ae-029 (toko) cda10.7mg1-a (murata, tentative) continued on next page. 12 r 10 2 rin 9 4 8 11 2 rin 13
LA1823, LA1823m no.6854-10/12 continued from preceding page. quiescent voltage (v) pin number function am fm remarks equivalent circuit 14 pilot detector filter (forced monaural mode) 2.9 3.8 forced monaural mode when pin 14 is connected to ground 15 phase comparator filter (am/fm switch) 0 3.8 fm mode is when pin 15 is open, and am mode is when pin 15 is connected to ground 16 17 l output r output 1.2 1.2 rout = 7.5k ? 18 mpx input 1.2 1.2 rin = 50k ? 19 am/fm detector output 0.3 1.0 output impedance am : rout = 50k ? fm : rout = 500 ? the channel separation can be adjusted with an external capacitor connected between this pin and ground 20 fm-osc 4.5 4.4 connect the fm oscillator coil between this pin and pin 21 (v cc 2) continued on next page. 19 18 16 17 14 15 rin rout (fm) rout (am) rout 21 20
LA1823, LA1823m no.6854-11/12 continued from preceding page. quiescent voltage (v) pin number function am fm remarks equivalent circuit 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 ? ) 22 24 fm-rf output fm-rf input 4.5 0 4.4 0.9 connect the fm-rf coil between this pin and pin 21 (v cc 2) rin = 1.8k ? 23 gnd2 0 0 fm-fe block ground 21 22 24 21 4 r rin signal v cc =4.5v fc=98mhz fm=1khz, 22.5khz dev am=30%mod signal v cc =4.5v fc=1000khz fm=1khz, 30%mod am out noise noise thd(22.5k) thd(75k) v cc =4.5v fc=98mhz fm=1khz thd30% thd80% v agc v cc =4.5v fc=1000khz fm=1khz, 30%mod input ? db/m am characteristics 0 1 2 3 4 5 --20 140 input ? db/m am characteristics output voltage, v o ? dbm --100 0 --20 140 total harmonic distortion, thd ? % input ? db v emf fm characteristics output voltage, v o ? dbm --100 --80 --60 --40 --20 --80 --60 --40 --20 0 --20 0 20 40 60 80 100 120 0 20 40 60 80 100 120 0 20 40 60 80 100 120 0 20 40 60 80 100 120 140 input ? db v emf fm characteristics total harmonic distortion, thd ? % 0 1 2 5 3 4 v agc ?v 0 2.5 0.5 1.0 1.5 2.0 --20 140
LA1823, LA1823m ps no.6854-12/12 specifications of any and all sanyo semiconductor 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's products or equipment. sanyo semiconductor co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned 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 information storage or retrieval system, or otherwise, without the prior written permission of sanyo semiconductor co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the "delivery specification" for the sanyo semiconductor product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. sanyo semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. this catalog provides information as of november, 2006. specifications and inform ation herein are subject to change without notice. sep r sep l v cc =4.5v fc=98mhz, vin=60db v emf 75khz dev, l+r=90% pilot=10% sub st mono main v cc =4.5v fc=98mhz, vin=60db v emf 75khz dev, l+r=90% pilot=10% modulation frequency, fm ? khz fm stereo characteristics separation, sep ? db 0 10 20 30 40 50 60 0.01 0.1 1.0 10 0.1 1.0 10 100 modulation frequency, fm ? khz fm stereo characteristics total harmonic distortion, thd ? % 0 1 2 5 3 4 0.01 10 0

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