LA1823. unit : mm 3067A (0.71) 1.78

Transcription

1 Ordering number : ENN*6854 Preliminary LA183 Monolithic Linear IC LA183 Single-Chip Tuner IC for Use in Radio Cassette Recorder Overview The LA183 is a single-chip tuner IC that incorporates / and MPX circuits and supports electronic tuning. The built-in MPX-VCO allows this IC to be adjustment-free and to require no external components. Features, and MPX integrated in a single-chip. front-end : Local voltage reduced. Adjustment free MPX-VCO : No ceramic resonator used. Adjustment free - : Using ceramic discriminator. Build in stereo indicator. Build in / IF count buffer. Build in buffer. Package : DIP-4S. Functions : RF amplifier, mixer, oscillator, IF amplifier, detector, signal meter, IF count buffer output. : RF amplifier, mixer, oscillator (with ALC), oscillator buffer output, IF amplifier, detector, AGC, IF count buffer output. MPX : PLL stereo decoder, stereo indicator, VCO on chip, forced monaural, Audio mute. Specifications Maximum Ratings at Ta = 5 C Package Dimensions unit : mm 367A [LA183] Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max 7. V Indicator drive current ILED Pin 8 ma Allowable power dissipation Pd max Ta 7 C 3 mw Operating temperature Topg - to 7 C Storage temperature Tstg --4 to 15 C (.71) min (3.5) max.5.95 SANYO : DIP-4S(3mil) Operating Conditions at Ta = 5 C Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC 4.5 V Operation supply voltage range VCC op 1.8 to 6. V Any and all SANYO 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 representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-1, 1 Chome, Ueno, Taito-ku, TOKYO, JAPAN 111 RM (IM) No /1

2 LA183 Operating Characteristics at Ta = 5 C, VCC = 4.5 V, in the specified test circuit using the IC socket (Yamaichi Electric Co.,Ltd.) Quiescent supply current Parameter Symbol Conditions Ratings min typ max Unit -mode quiescent current ICC() No input ma -mode quiescent current ICC() No input ma front-end characteristics at fc = 98 MHz, fm = 1 khz,.5 khz dev Parameter Symbol Conditions Input limiting voltage --3 db L.S. Referenced to VIN = 6 dbµv EMF,.5 khz dev, a 3 db down input Local oscillator voltage V fosc = 18.7 MHz with FET buffer gain = db Ratings min typ max Unit 1 dbµv EMF 1 mvrms IF characteristics (monaural) at fc = 1.7 MHz, fm = 1 khz, 75 khz dev Parameter Symbol Conditions Ratings min typ max Unit Demodulation output VO VIN = 1 dbµv mvrms Signal-to-noise ratio S/N VIN = 1 dbµv 63 7 db Total harmonic distortion (mono) THD VIN = 1 dbµv % Input limiting voltage --3 db L.S. Referenced to VIN = 1 dbµv, 75 khz dev, a 3 db down input dbµv IF count buffer on level IF buff on IF count buffer on dbµv IF count buffer output VIF buff Test from pin 7 for VIN = 1 dbµv, no modulation mvrms IF characteristics (stereo) at fc = 1.7 MHz, fm = 1 khz, 75 khz dev, L R = 9 %, PILOT = 1 % Parameter Symbol Conditions Ratings min typ max Unit Separation SEP VIN = 1 dbµv 5 4 db Stereo on level ST-ON VIN = 1 dbµv, Pilot modulation % Total harmonic distortion (main) THD VIN = 1 dbµv % characteristics at fc = 1 MHz, fm = 1 khz, mod = 3 % Parameter Symbol Conditions Ratings min typ max Unit Detector output VO(1) VIN = 3 dbµv mvrms VO() VIN = 8 dbµv mvrms Signal-to-noise ratio S/N(1) VIN = 3 dbµv 15 db S/N() VIN = 8 dbµv db Total harmonic distortion THD VIN = 8 dbµv % buffer output V buff Test from pin 8 for no input mvrms IF count buffer on level IF buff on IF count buffer on dbµv IF count buffer output VIF buff Test from pin 7 for VIN = 8 dbµv, no modulation mvrms No.6854-/1

3 LA183 Block Diagram Ant BPF Ant GND V CC MUTE DECODER PHASE COMP PILOT RF ST SW VCO FF FF FF MIX TRIG RF MIX BUFFER REG V CC 1 GND1 SD IF BUFFER ST S-METER IF IF Vtune MONO R-OUT L-OUT ST AGC / Mute IF Buff ST Buff 1.7MHz 45kHz V CC ILA3 No /1

4 LA183 Sample Application Circuit Diagram BPF PILOT PHASE COMP DECODER MUTE V CC V CC - 1Ω kω 1pF SC999 BUFF 3pF Vtune 1pF 1.kΩ 1Ω 33kΩ 33kΩ 33kΩ.47µF 1Ω.47µF Ant 3.3µF.µF.47µF 7pF 1 pf MONO SVC1 1 pf SVC1 3.3kΩ 68pF 68pF ST L-OUT R-OUT 4.7µF - -RF 1pF 1pF 8pF GND FF FF FF ST SW VCO RF TRIG MIX AGC S-METER ST SD RF MIX BUFFER IF IF IF BUFFER REG V CC 1 GND pF 1kΩ Ant 47pF 1 pf 1pF µf -MIX 1 kω pf - 1µF 8pF 45kHz 1.7MHz / ST IF Buff SEEK Buff.47µF SVC348.47µF.47µF 1µF 1kΩ ILA31 No /1

5 LA183 Coil specifications (bottom view) -BPF : SA-39 (Sumida) 88 MHz to 18 MHz -RF : SA-149 (Sumida) 3.6 mm diameter, air core,.6 mm wire, 4.5 T - : SA-151 (Sumida) 3.6 mm diameter, air core,.6 mm wire, 3.5 T -IF filter, discriminator : SK17M1-AE-1, CDF17F-AE-9 (Toko) SFE1.7MA5, CDA1.7MG1-A (Murata) : tentative - : SA-181 (Sumida) : L7BRS-313AQ (Toko) S T S T VC 3 4 Pin T VC 3 4 Pin T.6UEW.6-UEW GND 1 6 V CC fo = 796 khz fo = 796 khz GND 1 6 V CC S Qo 8 S Qo 65 L = 14 µh L = 14 µh ILA3 -MIX : SA-1136 (Sumida) V CC Pin9 S 3 1 S 4 6 CF GND ILA34 -IF filter : SFU45B (Murata) MW Bar-antenna : C8E-A15 (Toko) 1-67 T T fo = 796 khz 1 S 3 S 4 Qu = 18 min VC GND Pin1 Pin L = 6µH ILA36 ILA3 : PCFAZ-8 (Toko) 3-1 T S 1-47 T T T -1 6 T V CC GND T.6UEW fo = 45 khz Pin9 1 6 fo = 45 khz, Qo 65 S 18 pf internal 18 pf internal ACFA-45L8 With -IF filter ILA35 No /1

6 LA183 Pin Descriptions and Quiescent Voltage at VCC = 4.5 V Quiescent Pin Function voltage (V) Equivalent circuit Remarks number 1 -RF input Connect the antenna coil between this pin and pin (Reg) ILA37 Reg ILA Connect the oscillator coil between this pin and pin 4 (VCC1) ILA39 4 VCC /-IF/MPX block VCC 5 -MIX output.4. Rout = 7 Ω Rout 5 ILA31 6 GND1 /-IF/MPX block ground IF buffer 7 output and mute switch 7 V7 1.3 V : IF buffer output and muting on ILA311 No /1

7 LA183 Pin number Quiescent Function voltage (V) Equivalent circuit Remarks 8 Stereo indicator, -oscillator buffer output Active-low Open-collector output oscillator signal is output in mode ILA MIX output Connect the mixer coil between this pin and pin 4 (VCC1) ILA IF input Rin = 33 Ω 1 Rin ILA IF input Rin = kω 11 Rin ILA AGC output and signal meter output.4.1 R 1 Internal load resistance R = 16.6 kω ILA Recommended ceramic discriminator : CDF17F-AE-9 (Toko) CDA1.7MG** (Murata) ILA317 No /1

8 LA183 Pin number Quiescent Function voltage (V) Equivalent circuit Remarks Pilot detector 14 filter (forced mono) 14 Forced monaural mode when pin 14 is connected to ground ILA318 Phase mode is when pin 15 is open, 15 comparator filter 3.8 and mode is when pin 15 is (/ switch) connected to ground 15 ILA L output 17 R output Rout = 7.5 kω Rout 16 ( 17 ) ILA3 18 MPX input Rin = 5 kω 18 Rin ILA31 / 19 detector.3 1. output Rout() 19 Rout() ILA3 Output impedance : Rout = 5 kω : Rout = 5 Ω The channel separation can be adjusted with an external capacitor connected between this pin and ground 1 Connect the oscillator coil between this pin and pin 1 (VCC) ILA33 No /1

9 LA183 Pin number Quiescent Function voltage (V) Equivalent circuit Remarks R -FE block VCC 1 VCC Power is supplied from pin (VCC1) via external resistor (1 Ω) ILA34 -RF Connect the -RF coil between output this pin and pin 1 (VCC) 4 -RF input Rin Rin = 1.8 kω ILA35 3 GND -FE block ground -- Characteristics Signal 5 4 Characteristics fc=98mhz fm=1khz Output -- dbm Output -- dbm fc=98mhz fm=1khz,.5khz dev =3%mod Noise out Ant input -- dbµv EMF Characteristics fc=1khz fm=1khz, 3%mod Signal Noise ILA36 THD -- % THD -- % THD(75k) Ant input -- dbµv EMF ILA37 Characteristics fc=1khz fm=1khz, 3%mod THD3% THD8% THD(.5k) VAGC -- V VAGC Ant input -- db/m ILA38 Ant input -- db/m ILA39 No /1

10 6 5 st Characteristics fc=98mhz, Vin=6dBµV EMF 75kHz dev, LR=9% Pilot=1% LA st Characteristics fc=98mhz, Vin=6dBµV EMF 75kHz dev, LR=9% Pilot=1% Sep -- db 4 3 Sep R Sep L THD -- % 3 Main fm -- khz ILA33 1 Sub 1 ST fm -- khz Mono ILA33 1 Specifications of any and all SANYO 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 Electric 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 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 Electric 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 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 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 January, 1. Specifications and information herein are subject to change without notice. PS No /1