TDA7464$ STMicroelectronics, TDA7464$ Datasheet
TDA7464$
Specifications of TDA7464$
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TDA7464$ Summary of contents
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DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER The Device incorporates the SRS WOW Technology under licence from SRS Labs, Inc. 4 STEREO INPUTS INPUT ATTENUATION CONTROL IN 0.5dB STEP TREBLE MIDDLE AND BASS CONTROL VOICE ...
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TDA7464 BLOCK DIAGRAM MIDDLE-LO MIDDLE-LI 2/21 BASS-RI MIDDLE-RO MIDDLE-RI SRS VREFOUT CREF AGND ...
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THERMAL DATA Symbol R Thermal Resistance Junction-pins th j-pins ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage S T Operating Ambient Temperature amb T Storage Temperature Range stg QUICK REFERENCE DATA Symbol V Supply Voltage S V Max. input signal ...
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TDA7464 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter SUPPLY A Voice Canceller Output 3 VO3 R Low Pass Filter Resistance LPV BASS CONTROL Gb Control Range B Step Resolution STEP R Internal Feedback Resistance B MIDDLE CONTROL Gm Control Range M Step ...
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ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter R Simulated R Output 1 MON1 R Simulated R Output 2 MON2 R Simulated R Output 3 MON3 R Low Pass Filter Resistance LP1 R High Pass Filter Resistance HPI R LP Pin Impedance LPF ...
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TDA7464 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter SPEAKER & RECORD ATTENUATORS C Control Range range S Step Resolution STEP E Attenuation set error Steps DC A Output Mute Condition MUTE R Input Impedance VAR SPEAKER ATTENUATORS V Zero ...
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I C BUS INTERFACE Data transmission from microprocessor to the TDA7464 and viceversa takes place through the 2 2 wires I C BUS interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must ...
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TDA7464 SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7464 CHIP ADDRESS MSB LSB D95AU226A ACK = Achnowledge S = Start ...
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DATA BYTES (Address = 80(HEX)): FUNCTION SELECTION: The first byte (subaddress) MSB ...
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TDA7464 STANDARD SURROUND SELECTION MSB ...
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BASS SELECTION MSB ...
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TDA7464 MIDDLE & TREBLE SELECTION MSB ...
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LEFT CHANNEL SPEAKER ATTENUATION SELECTION MSB LEFT & RIGHT CHANNELS BOTH MSB D7 ...
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TDA7464 RECORD AND RIGHT CHANNEL SPEAKER ATTENUATION SELECTION MSB DON’T CARE ...
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SRS SPACE CONTROL: ATTENUATION SELECTION MSB DON’T CARE SPEAKER/RECORD ATTENUATION = 0dB SRS CENTER CONTROL: ATTENUATION SELECTION MSB ...
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TDA7464 POWER ON RESET SURROUND & OUT CONTROL+ EFFECT CONTROL SPEAKER/RECORD ATTENUATION L &R MODE INPUT ATTENUATION + REAR SWITCH VOICE CANCELLER INPUT MIX SWITCH SRS SURROUND BASS & MIDDLE TREBLE PIN DESCRIPTION PINS: L-OUT, R-OUT, RECOUT-L, RECOUT ...
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PIN: VAR-L, VAR- 30K GND Vref PIN: LP1 V S 10K GND HP1 PIN: PS1, PS2, PS3, PS4 GND PIN: CREF 20 A D95AU227 PIN: SCL, SDA 20 A D94AU211 PIN: NETW2 20 A ...
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TDA7464 PIN: BASSO-L, BASSO-R, NETW1 GND PIN: BASS-LO, BASS-RO, MIDDLE-LO, MIDDLE-RO (*) GND BASS-LI,BASS-RI,MIDDLE-LI,MIDDLE-RI (*) 45K : Bass 25K : MIDDLE PIN: VOUT REF GND 10K GND 18/21 PIN: BASS-LI, ...
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PIN: NBLO, NBRO V S GND D95AU235A VREF TDA7464 19/21 ...
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TDA7464 mm DIM. MIN. TYP. MAX. A 1.60 A1 0.05 0.15 A2 1.35 1.40 1.45 B 0.30 0.37 0.45 C 0.09 0.20 D 12.00 D1 10.00 D3 8.00 e 0.80 E 12.00 E1 10.00 E3 8.00 L 0.45 0.60 0.75 ...
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... 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. The ST logo is a registered trademark of STMicroelectronics. ...