TDA7449D STMicroelectronics, TDA7449D Datasheet
TDA7449D
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TDA7449D Summary of contents
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... MUXOUTL TREBLE( VOLUME TREBLE 0/30dB 2 I CBUS DECODER + LATCHES 2dB STEP G VOLUME TREBLE INPUT MULTIPLEXER + GAIN 11 MUXOUTR TREBLE(R) TDA7449 TONE CONTROL DIP20 Part Number TDA7449 TDA7449D BIN(L) BOUT( SPKR ATT BASS LOUT LEFT 19 SCL 20 SDA 18 DIG_GND 4 SPKR ATT BASS ROUT RIGHT ...
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TDA7449 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 MUXOUT(L) 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 all controls flat (G = 0dB), unless otherwise specified) Symbol Parameter SUPPLY V Supply Voltage S I Supply Current S SVR Ripple Rejection INPUT STAGE R Input Resistance IN V ...
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TDA7449 Table 5. Electrical Characteristcs (continued) SPEAKER ATTENUATORS C Control Range RANGE S Step Resolution STEP E Attenuation Set Error Step DC A Mute Attenuation mute AUDIO OUTPUTS V Clipping Level CLIP R Output Load Resistance L ...
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Figure 4. P.C.Board (Referred to DIP20 package only) Figure 5. Test Circuit IN1L J3 RCA GND 1 IN1L L-IN1 8 2 GND 0.47 F 100K IN2L 4 GND L-IN2 9 5 CON3 C4 0.47 F 100K IN1R ...
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TDA7449 3 APLICATION SUGGESTIONS The first and the last stages are volume control blocks. The control range -47dB (mute) for the first one -79dB (mute) for the last one. Both of them have 1dB step ...
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Figure 7. THD vs. frequency Figure 8. THD vs. RLOAD Figure 9. Channel separation vs. frequency Figure 10. Bass response Figure 11. Treble response TDA7449 7/19 ...
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TDA7449 BUS INTERFACE Data transmission from microprocessor to the TDA7449 and vice versa takes place through the 2 wires BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive ...
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Figure 14. Acknowledge on the I SCL SDA START 5 SOFTWARE SPECIFICATION 5.1 Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7449 address A subaddress bytes A sequence of data (N byte ...
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TDA7449 6.2 Incremental Bus The TDA7449 receive a start conditions, the correct chip address, a subaddress with the incremental bus): now loop condition with an autoincrease of the subaddress whereas SUBADDRESS from "XXX1000" ...
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Table 8. INPUT SELECTION MSB Table 9. INPUT GAIN SELECTION MSB GAIN = 0 to 30dB ...
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TDA7449 Table 10. VOLUME SELECTION MSB VOLUME = 0 to 47dB/MUTE Table 11. BASS SELECTION MSB 12/ ...
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Table 12. TREBLE SELECTION MSB Table 13. SPEAKER ATTENUATE SELECTION MSB SPEAKER ...
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TDA7449 Figure 18. PIN : CREF Figure 19. PINS ROUT LOUT 20 A D96AU434 Figure 20. PINS 100K V REF 14/19 Figure 21. PINS: ...
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Figure 24. PINS: 16 TREBLE(L) TREBLE(R) 50K Figure 25. PIN: 19 SCL Figure 26. PIN D96AU433 20 A D96AU424 SDA D96AU423 TDA7449 20 A 15/19 ...
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TDA7449 Figure 27. DIP20 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. a1 0.254 B 1.39 1.65 b 0.45 b1 0.25 D 25.4 E 8.5 e 2.54 e3 22.86 F 7.1 I 3.93 L 3.3 Z 1.34 16/19 ...
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Figure 28. SO20 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 0.75 ...
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TDA7449 Table 14. Revision History Date Revision March 2004 June 2004 18/19 3 Third Issue 4 Modified the style-sheet in compliance with the last revision of the “Corporate Technical Pubblications Design Guide”. Description of Changes ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...