TDA7448_04 STMICROELECTRONICS [STMicroelectronics], TDA7448_04 Datasheet
TDA7448_04
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TDA7448_04 Summary of contents
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FEATURES 6 CHANNEL INPUTS 6 CHANNEL OUTPUTS VOLUME ATTENUATION RANGE -79dB VOLUME CONTROL IN 1.0dB STEPS 6 CHANNEL INDEPENDENT CONTROL ALL FUNCTION ARE PROGRAMMABLE VIA SERIAL BUS 2 DESCRIPTION The TDA7448 channel volume ...
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TDA7448 Table 2. Absolute Maximum Ratings Symbol V Operating Supply Voltage S T Operating Ambient Temperature amb T Storage Temperature Range stg Figure 3. Pin Connection (Top view) Table 3. Thermal Data Symbol R thermal Resistance junction-pins th j-pin Table ...
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Table 5. Electrical Characteristcs (refer to the test circuit T = 25°C, V amb Symbol Parameter SUPPLY V Supply Voltage S I Supply Current S SVR Ripple Rejection INPUT STAGE R Input Resistance IN V Clipping Level CL S Input ...
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TDA7448 Figure 4. Test circuit 0.47 F IN1 0.47 F IN2 0.47 F IN3 0.47 F IN4 0.47 F IN5 0.47 F IN6 APPLICATION SUGGESTIONS The volume control range -79dB, by 1dB step resolution. ...
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I C BUS INTERFACE Data transmission from microprocessor to the TDA7448 and vice versa takes place through the 2 wires I terface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must be ...
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TDA7448 5 SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7448 address A subaddress bytes A sequence of data (N byte + acknowledge) A stop condition (P)) CHIP ADDRESS MSB ...
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In Incremental Bus Mode, the three “not used” functions must be addressed in any case. For example to refresh “ Speaker Attenuation 3 = 0dB and Speaker Attenuation 6 = -40 dB”; the following bytes must be sent: Table 7. ...
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TDA7448 Figure 11. PIN: CREF Figure 12. PINS 14, 15 OUT1 to OUT6 20 A D02AU1398 Figure 13. PINS 17, 18 100K ...
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Figure 16. Test and Application Circuit J1 IN1 J3 C1 0.47µF IN1 1 C3 0.47µF 2 IN2 C5 0.47µF IN3 3 C7 0.47µF IN4 4 C9 0.47µF IN5 5 C11 0.47µF IN6 6 C13 10µF 16V GND 7 IC1 TDA7448 ...
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TDA7448 Figure 17. Component Layout (65 x 72mm) Figure 18. PC Board (Component side) 10/14 ...
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Figure 19. PC Board (Solder side) TDA7448 11/14 ...
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TDA7448 Figure 20. SO-20 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 2.35 2.65 A1 0.10 0.30 B 0.33 0.51 C 0.23 0.32 (1) 12.60 13. 7.40 7.60 e 1.27 H 10.0 10.65 h 0.25 ...
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Table 9. Revision History Date Revision January 2004 June 2004 1 First Issue 3 Modified the style-sheet in compliance with the last revision of the “Corporate Technical Pubblications Design Guide”. Description of Changes TDA7448 13/14 ...
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TDA7448 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its ...