TDA7465 STMicroelectronics, TDA7465 Datasheet
TDA7465
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TDA7465 Summary of contents
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... ALL FUNCTIONS PROGRAMMABLE VIA SE- RIAL BUS ADDRESS PIN AVAILABLE DESCRIPTION The TDA7465 is a volume tone (bass middle and treble) balance (Left/Right) processors with stereo SRS and voice canceller for quality audio applica- tions in car radio, Hi-Fi, TV systems. It reproduces SRS (Sound Retrieval System) ...
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... TDA7465 BLOCK DIAGRAM MIDDLE-LO MIDDLE-LI 2/20 BASS-RI MIDDLE-RO MIDDLE-RI TREBLE-R REAR_IN REAR_OUT SRS VREFOUT CREF AGND ...
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... R ) CH, CH amb Test Condition Mode = OFF CH CH out THD = 0.3% Adjacent att. step ON FIX, 0dB attenuation mix mix 0dB attenuation TDA7465 Value Max. 85 Value 11 - -55 to +150 Min. Typ. Max 10.2 2 0.01 0.1 106 90 -31.5 0 -14 +14 -14 +14 -14 +14 -79 0 100 = 25° 9V, R ...
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... TDA7465 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter SUPPLY A Voice Canceller Output 3 VO3 R Low Pass Filter Resistance LPV R Input Impedance MIX BASS CONTROL Gb Control Range B Step Resolution STEP R Internal Feedback Resistance B MIDDLE CONTROL Gm Control Range M Step Resolution STEP R Internal Feedback Resistance M TREBLE CONTROL ...
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... Input Signal of 125Hz SPACE = 0dB, CENTER = MUTE R = GND OUT Input Signal of 2.15KHz SPACE = 0dB, CENTER = MUTE R = GND OUT SPACE = MUTE, CENTER =0dB R = GND OUT TDA7465 Min. Typ. Max. Unit – 4.5 dB 3.8 dB – 7 7.5 10 12.5 K 37 ...
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... TDA7465 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 CrossingThreshold TH AUDIO OUTPUTS N Output Noise (OFF) O(OFF) N Output Noise (Movie) Standard ...
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... I C BUS INTERFACE Data transmission from microprocessor to the TDA7465 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 be connected). Data Validity As shown in fig. 3, the data on the SDA line must be stable during the high period of the clock ...
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... The TDA7465 receives a start condition, the cor- CHIP ADDRESS MSB LSB D95AU306 Incremental Bus The TDA7465 receives a start condition, the cor- rect chip address, a subaddress with the MSB = 1 (incremental bus): now loop condition with an autoincrease of the subaddress whereas CHIP ADDRESS MSB LSB ...
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... PHASE RESISTOR 1 BASS 0 MIDDLE & TREBLE 1 SPEAKER ATTENUATION "L" 0 SPEAKER ATTENUATION "R" 1 RECORD ATTENUATION "L" 0 RECORD ATTENUATION"R" 1 VOICE CANCELLER & REC OUT 0 SRS / SPACE ATTENUATION 1 SRS / CENTER ATTENUATION LSB INPUT ATTENUATION D1 D0 0.5 dB STEPS - STEPS -12 -16 -20 -24 -28 TDA7465 9/20 ...
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... TDA7465 STANDARD SURROUND SELECTION MSB PHASE RESISTOR SELECTION MSB 10/ LSB D0 SURROUND MODE 0 SIMULATED 1 MUSIC 0 OFF 1 MOVIE OUT VAR FIX EFFECT CONTROL - -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 SURROUND PHASE LSB RESISTOR D0 PHASE SHIFT PHASE SHIFT PHASE SHIFT PHASE SHIFT ...
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... BASS SELECTION MSB TDA7465 LSB BASS STEPS 0 -14 1 - 11/20 ...
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... TDA7465 MIDDLE & TREBLE SELECTION MSB 12/ LSB MIDDLE STEPS 0 -14 1 - TREBLE 2 dB STEPS -14 -12 - ...
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... LEFT CHANNEL SPEAKER ATTENUATION SELECTION MSB LEFT & RIGHT CHANNELS BOTH MSB DON’ TCARE SPEAKER/RECORD ATTENUATION = 0dB -79dB TDA7465 LSB SPEAKER/RECORD ATT STEPS STEPS 0 -8 -16 -24 -32 -40 -48 -56 -64 -72 MUTE LSB ZERO CROSS ATT. MODE STEPS ON OFF 13/20 ...
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... TDA7465 RECORD AND RIGHT CHANNEL SPEAKER ATTENUATION SELECTION MSB DON’T CARE SPEAKER/RECORD ATTENUATION = 0dB VOICE CANCELLER RECOUT L & R SELECTION MSB 14/ -79dB LSB SPEAKER/RECORD ATT STEPS STEPS 0 -8 -16 -24 -32 -40 -48 -56 -64 -72 MUTE LSB D0 VOICE CANCELLER 0 OFF 1 ON REC OUT "L" ...
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... RECOMMENDED TO ATTENUATE -3dB IN INPUT ATTENUATION DURING "SRS OFF" TO FULFILL SRS BYPASS MODE WHEN SRS FUNCTION IS USED -31dB -31dB TDA7465 LSB SPACE ATTENUATION STEPS STEPS 0 -8 -16 -24 MUTE X LSB CENTER ATTENUATION STEPS STEPS 0 -8 -16 -24 MUTE X SRS INPUT NO SURROUND SIGNAL SURROUND SIGNAL SRS SWITCH SRS ON SRS OFF 15/20 ...
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... TDA7465 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 PIN: REAR OUT GND PIN: HP2 V S 5.5K 60K GND HP1 ...
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... PIN: LP1 V S 10K GND HP1 PINS: PS1, PS2, PS3, PS4 GND PIN: CREF 20 A D95AU227 PINS: SCL, SDA 20 A D94AU211 PINS: L-OUT, R-OUT, RECOUT-L, RECOUT D95AU308 20K 42K 20K D95AU336 GND 20 A GND D94AU205 GND GND 20 A GND D96AU477 TDA7465 17/20 ...
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... TDA7465 PINS: BASSO-L, BASSO GND PINS: BASS-LO, BASS-RO, MIDDLE-LO, MIDDLE (*) GND BASS-LI,BASS-RI,MIDDLE-LI,MIDDLE-RI (*) 45K : Bass 25K : MIDDLE PIN: VOUT REF GND 10K GND 18/20 PINS: BASS-LI, BASS-RI, MIDDLE-LI, MIDDLE-RI, GND BASS-LO BASS-RO,MIDDLE-LO,MIDDLE-RO D95AU230 PINS: TREBLE-L, TREBLE D95AU232 PINS: L-IN, R-IN D95AU233A 45K ...
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... L 2.54 3.30 3.56 0. inch TYP. MAX. 0.20 0.150 0.180 0.040 0.045 1.450 1.460 0.629 0.540 0.570 0.070 0.60 0.730 0.060 0.130 0.140 TDA7465 OUTLINE AND MECHANICAL DATA SDIP42 (0.600" .015 0,38 Gage Plane e3 e2 SDIP42 19/20 ...
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... TDA7465 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 use. 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 ...