cxa1580q Sony Electronics, cxa1580q Datasheet
cxa1580q
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cxa1580q Summary of contents
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... Dolby B Type Noise Reduction System with Playback Equalizer For the availability of this product, please contact the sales office. Description The CXA1580Q designed for use in car stereos. Functions include Dolby B type noise reduction, playback equalizer and interval detection between tracks (MUSIC SENSOR) into a single chip ...
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Block Diagram and Pin Configuration 30 PBTC1 PBFB1 300k PBRIN1 PBFIN1 PBGND E IREF PBFIN2 300k PBRIN2 PBFB2 PBTC2 RADIO/CD TAPE/AUX 10dB LPF TAPE/AUX ...
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Pin Description Pin DC I/O Symbol No. value resistance 1 PBOUT 2.8V — PBFB 1.4V 150k 39 33 PBIN 0V 70k Vcc 8.0V — 10 GND 0.0V — 29 MSGND 35 PBGND 31 PBTC ...
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Pin DC I/O Symbol No. value resistance 12 MSTC — Approx. 1.4V for signal detection; 5.0V for no signal detection 13 G2(NOR) 4.0V — 14 G1(FF) 3 TAPEIN 4.0V 40k 28 4 RADIOIN 27 5 CDIN IREF ...
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Pin DC I/O Symbol No. value resistance 9 TC 0.3V — MODESW — — 17 NRSW 18 DRSW 19 TAPESW 20 AUXSW 21 INSW 16 MSSW — — 25 VCT 4.0V — — — 23 Equivalent ...
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PBOUT, PBFB, PBIN equivalent circuit OUT Description for SW pins MODESW - Switching of MS signal detection/blank detection High: G1 (signal detection); Low: G2 (blank detection) NRSW - Switching of Dolby B type noise reduction ON/OFF ...
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Electrical Characteristics (Ta=25°C, Vcc=8.0V, RL: output load resistance, Rg: head equivalent impedance) Item Symbol Current consumption Icc Dolby block (Dolby level -6dBm=0dB) TAPEIN input sensitivity V RADIOIN input sensitivity V CDIN input sensitivity V Decode boost 1 BP1 Decode boost ...
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... Description of Operation Operation mode control (INSW, AUXSW, TAPESW, DRSW, NRSW, MSSW, MODESW) The CXA1580Q has built in electronic switch circuits and the operations are controlled by the direct current applied to each SW pin. The operation mode state for each switch is shown in the table below. ...
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Signal route PBFB PBTC Op 1 PBIN F R Op1 and Op2 are operational amplifiers. Op1 compose the playback equalizer by attaching a resistor and a capacitor to PBFB pin, and a capacitor to PBTC pin. Op2 is an ...
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Adjustment of playback equalizer PBFB 3 PBIN F R Fig Adjustment of EQ curve gain difference (= adjustment of internal variable R) The internal variable resistor Ri should be adjusted to adjust the ...
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MS (interval detection between tracks) adjustment method TAPEIN 10dB 1) MS gain (G1/G2 mode gain) adjustment MS gain is expressed by the following equations. R1+Ri G1=10+20log (dB cut-off frequency adjustment The external resistors R1, R2 and ...
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Characteristics Graphs Current consump tion vs. Sup p ly voltage For no signal NR OFF, MS OFF 12.5 12.0 11.5 7.0 8.0 9.0 10.0 11.0 12.0 Sup p ly voltage [ Playb ack equalizer ...
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Total harmonic distortion (p re-amp lifier b lock) Inp FIN1 utp UT1 Vcc=8.0V f=10kHz –1 –24 –20 –16 –12 O utp ut level [dB m] Rip p ...
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V cc=8.0V Inp ut : PBFIN1 Outp ut : LINEOUT1 –30 –40 –50 –60 – lank detection level frequency characteristics –10 –20 –30 –40 –50 –60 20 100 1k Frequency [Hz] Cross talk b etween channels (1ch ...
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Package Outline Unit : 0.65 SONY CODE EIAJ CODE JEDEC CODE 40PIN QFP (PLASTIC) 9.0 ± 0.4 + 0.4 7.0 – 0 0.15 0.3 – 0.1 ± 0. ...