tda8421 NXP Semiconductors, tda8421 Datasheet
tda8421
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tda8421 Summary of contents
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... DATA SHEET TDA8421 Hi-fi stereo audio processor bus Product specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS May 1988 ...
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... Philips Semiconductors Hi-fi stereo audio processor; I GENERAL DESCRIPTION The TDA8421 is a monolithic bipolar integrated stereo sound circuit with a loudspeaker channel (CH1) and a headphone channel (CH2), digital controlled via the I Features Input selector Mode selector Loudspeaker channel (CH1); with volume control, balance control and mute Headphone channel (CH2) ...
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... Philips Semiconductors Hi-fi stereo audio processor; I May 1988 2 C bus 3 Product specification TDA8421 ...
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... Mode selector For each channel (CH1 and CH2) there is a mode selector which selects between stereo, sound A and sound B in the event of bilingual transmission. Both mode selectors can be controlled independently. May 1988 2 C bus Fig.2 Pinning diagram. 4 Product specification TDA8421 ...
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... Treble control The treble control stage can be switched from + steps of 3 dB. The module address is determined by pin 16. When connected to ground MAD = 0; when connected to V Thus two TDA8421s can be selected within a system. May 1988 2 C bus Bias and power supply ...
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... CH2 volume right switch functions Definition of 3rd byte A third byte is used to transmit data to the TDA8421. Table 2 defines the coding of the third byte after module address MAD and subaddress SAD. Table 2 Third byte after module address MAD and subaddress SAD FUNCTION volume left ...
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... Notes 1. Attenuation EXS Product specification TDA8421 CH1 CH2 ML0 ML1 MH0 mute (1) 90 dB; POR = Power-On Reset ...
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... Table 10 Treble control 3dB/STEP TR3 TR2 TR1 (dB --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- May 1988 2 C bus BA0 1 --- --- --- 1 0 --- --- --- 0 --- --- --- 0 --- --- --- 0 TR0 1 --- --- --- 0 --- --- --- 0 --- --- --- 0 --- --- --- 0 8 Product specification TDA8421 ...
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... The order of data transmission is shown in Figures 4 and 5. The number of data transmissions is unrestricted but before each data byte the module address MAD and the correct subaddress SAD is required. Fig.5 Data transmission except after power-on reset. May 1988 2 C bus Fig.4 Data transmission after a power-on reset. 9 Product specification TDA8421 ...
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... V 0 cap V 0 SDA V 0 SCL V 0 EXSN V 0 MAD tot T 0 amb T 25 stg V ESD 10 Product specification TDA8421 MAX. UNIT 1350 150 C 2000 V ...
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... CC V 5 cap cap EXSNH V EXSNL 11 Product specification TDA8421 TYP. MAX. UNIT 6 1 1 0,3 V ...
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... C L SYMBOL MIN SCL t 4 HIGH t 4,7 LOW 4,7 SU;STA t 4 HD; STA t 4,7 SU; STO t 4,7 BUF t 250 SU; DAT V 2 i(rms n Product specification TDA8421 100 pF; L TYP. MAX. UNIT 100 kHz 0 000 Hz ...
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... VOLUME CONTROL For truth table see Table 8 May 1988 2 C bus SYMBOL MIN o(rms THD THD THD cr RR 100 L 13 Product specification TDA8421 TYP. MAX. UNIT V k 100 0,05 0,2 % 0,07 0 110 dB ...
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... C bus SYMBOL MIN max G 60 min G 80 off G 85 mute G step step step 14 Product specification TDA8421 TYP. MAX. UNIT dB/step 0 dB/step dB/step 50 % ...
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... Crosstalk IN1/IN2 gain = 0 dB May 1988 2 C bus SYMBOL MIN o(rms THD THD THD cr RR 100 Product specification TDA8421 TYP. MAX. UNIT V k 100 0,01 0,2 % 0 110 100 dB ...
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... Note to the AC characteristics 1. Balance is realized via software by different volume settings in both channels. May 1988 2 C bus SYMBOL MIN max G 57 min G 80 off G 85 mute G step Product specification TDA8421 TYP. MAX. UNIT dB/step 0 ...
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... May 1988 2 C bus t = BUS free time BUF t = data set-up time SU; DAT t = DATA hold time HD; DAT 2 Fig.6 Timing requirements for I C bus. Fig.8 Distortion loudspeaker channel CH1 as a function of the output voltage with input voltage as parameter. 17 Product specification TDA8421 ...
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... Philips Semiconductors Hi-fi stereo audio processor; I Fig.9 Channel separation loudspeaker channel CH1 as a function of frequency. Fig.10 Signal-to-noise ratio as a function of output power. Input voltage V May 1988 2 C bus = 0,5 V; according to CCIR; quasi peak Product specification TDA8421 = ...
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... CH1: mode AA, Gain + 16 dB; CH2: mode BB, Gain 0 dB. Signal input RIGHT; input LEFT to ground, measured at output CH1. Fig.12 Crosstalk between IN1 and IN2 as a function of frequency; measured at output CH1 Gain = + 16 dB; V May 1988 2 C bus = 200 mV. b) Gain = 0 dB Product specification TDA8421 = 0. G ...
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... Philips Semiconductors Hi-fi stereo audio processor; I Fig.13 Bass and treble tone control. C Fig.14 Bass and treble tone control. C May 1988 2 C bus = 33 nF, C bass treble = 68 nF, C bass treble 20 Product specification TDA8421 = 5,6 nF. = 3.9 nF. ...
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... Philips Semiconductors Hi-fi stereo audio processor; I Fig.15 Pseudo (phase function of frequency CH 1 left. May 1988 2 C bus PIN 24 CURVE (nF 5,6 3 5,6 21 Product specification TDA8421 PIN EFFECT (nF) 15 normal 47 intensified 68 more intensified ...
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... Philips Semiconductors Hi-fi stereo audio processor; I May 1988 2 C bus Fig.16 Test and application circuit diagram. 22 Product specification TDA8421 ...
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... Fig.18 Turn-on behaviour 2 Fig.20 Turn-off behaviour; with modulation (shaded area). May 1988 2 C bus Fig.17 Turn-on/off power supply circuit diagram. Fig.19 Turn-off behaviour; without modulation. 23 Product specification TDA8421 mA 259 mA; load t = 2,64 ms 102 ms. ...
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... Philips Semiconductors Hi-fi stereo audio processor; I Fig.21 Level diagram loudspeaker channel CH1 with V Fig.22 Level diagram headphone channel CH2 with V May 1988 2 C bus = 200 mV; V i(min) = 200 mV Product specification TDA8421 = 1,25 for max = 200 mV for max ...
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... May 1988 2 C bus scale (1) ( 0.53 0.32 36.0 14.1 2.54 0.38 0.23 35.0 13.7 0.013 0.020 1.41 0.56 0.10 0.014 0.009 1.34 0.54 REFERENCES JEDEC EIAJ MO-015AH 25 Product specification TDA8421 3.9 15.80 17.15 15.24 0.25 3.4 15.24 15.90 0.15 0.62 0.68 0.60 0.01 0.13 0.60 0.63 EUROPEAN ISSUE DATE PROJECTION SOT117-1 ( max ...
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... If the bit temperature is between 300 and 400 C, contact may seconds components conveys a license under the Philips’ system provided the system conforms to the I 26 Product specification TDA8421 ). If the stg max 2 C patent to use the 2 C specification defined by ...