TDA7438D STMicroelectronics, TDA7438D Datasheet
TDA7438D
Specifications of TDA7438D
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TDA7438D Summary of contents
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... I CBUS DECODER + LATCHES 2dB STEP G VOLUME TREBLE MIDDLE GAIN MUXOUTR INR TREBLE(R) MIN(R) MOUT(R) TDA7438 THREE BANDS SO28 DIP28 Package TDA7438 DIP28 TDA7438D SO28 Tape & Reel BIN(L) BOUT( SPKR ATT BASS LOUT LEFT 21 SCL 22 SDA 20 DIG_GND 26 SPKR ATT BASS ROUT ...
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TDA7438 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 Table 3. Thermal Data Symbol R Thermal Resistance Junction-pins th j-pins Table 4. Quick ...
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Table 5. Electrical Characteristcs: (refer to the test circuit Tamb = 25° 9V, RL= 10K , RG = 600 , all controls flat (G = 0dB), unless otherwise specified Symbol Parameter SUPPLY V Supply Voltage S I Supply ...
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TDA7438 Table 5 (continued) Symbol Parameter SPEAKER ATTENUATORS C Control Range RANGE S Step Resolution STEP E Attenuation Set Error A E Tracking Error Step DC A Mute Attenuation mute AUDIO OUTPUTS V Clipping Level CLIP R ...
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Figure 4. Test Circuit L-IN1 3 0.47 F 100K L-IN2 4 0.47 F 100K L-IN3 5 0.47 F 100K R-IN1 2 0.47 F 100K R-IN2 1 0.47 F 100K R-IN3 28 0.47 F 100K INPUT MULTIPLEXER 3 APPLICATION SUGGESTIONS The ...
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TDA7438 The fig.5 refers to basic T Type Bandpass Filter starting from the filter component values (R1 internal and R2,C1,C2 external) the centre frequency Fc, the gain Av at max. boost and the filter Q factor are computed as follows: ...
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Figure 8. Channel separation vs. frequency Figure 9. Bass response Figure 10. Treble response Figure 11. Middle response Figure 12. Typical tone response TDA7438 7/19 ...
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TDA7438 BUS INTERFACE Data transmission from microprocessor to the TDA7438 and vice versa takes place through the 2 wires I C BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply ...
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Figure 15. Acknowledge on the I SCL SDA START 5 SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7438 address A subaddress bytes A sequence of data (N byte + ...
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TDA7438 Figure 18. . CHIP ADDRESS MSB LSB D96AU422 Table 6. POWER ON RESET CONDITION INPUT SELECTION INPUT GAIN VOLUME BASS MIDDLE TREBLE SPEAKER 6 DATA BYTES Address = 88 HEX (ADDR:OPEN). ...
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Table 8. INPUT GAIN SELECTION MSB GAIN = 0 to 30dB Table 9. VOLUME SELECTION MSB VOLUME = 0 to ...
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TDA7438 Table 10. BASS SELECTION MSB Table 11. MIDDLE SELECTION MSB 12/ ...
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Table 12. TREBLE SELECTION MSB Table 13. SPEAKER ATTENUATE SELECTION MSB SPEAKER ...
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TDA7438 Figure 20. PINS 20K CREF 20K Figure 21. PINS: 26 ROUT LOUT 20 A D96AU434 Figure 22. PINS 100K V REF ...
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Figure 26. PINS: 10 25K MOUT(L) MOUT(R) Figure 27. PINS: 12 BIN(L) BIN(R) Figure 28. PINS: 13 44K BOUT(L) BOUT(R) Figure 29. PINS: 18 BIN(L) D96AU431 BIN(R) Figure ...
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TDA7438 Figure 32. DIP28 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. a1 0.63 b 0.45 b1 0.23 0.31 b2 1.27 D 37.34 E 15.2 16.68 e 2.54 e3 33.02 F 14.1 I 4.445 L 3.3 16/19 inch ...
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Figure 33. SO28 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX. A 2.65 a1 0.1 0.3 b 0.35 0.49 b1 0.23 0. (typ.) D 17.7 18 10.65 e 1.27 e3 16.51 F ...
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TDA7438 Table 14. Revision History Date Revision January 2004 June 2004 18/19 6 First Issue in EDOCS DMS 7 Changed the Style-sheet in compliance to the new “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 ...