TDA7476013TR STMicroelectronics, TDA7476013TR Datasheet
TDA7476013TR
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TDA7476013TR Summary of contents
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WIDE OPERATING VOLTAGE RANGE ST-BY FUNCTION (C-MOS) LOW QUIESCENT ST-BY CURRENT CONSUMPTION BUS INTERFACE WITH 2 EXTERNALLY SELECTABLE ADDRESSES BTL EQUIVALENT INPUTS FOR FAULT DETECTION IN THE AUDIO CHANNELS - short to GND - ...
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TDA7476 BLOCK DIAGRAM & APPLICATION CIRCUIT SDA SCL ADD 100nF R3 W 10K R4 10K ST-BY SW1 5V REF DIG-GND PIN FUNCTION N° Pin 1 GND ...
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ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage Supply Voltage s V Peak Supply Voltage t = 50ms peak P Total Power Dissipation Tcase = 25°C tot T ; T‘c- Storage and Junction Temperature stg V Stand-by ...
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TDA7476 ELECTRICAL CHARACTERISTICS (continued 14.4V 25°, unless otherwise specified.) s amb Symbol Parameter Lsc Shorted Load det. (voltage across the Audio Outputs). Below this limit the load is considered shorted. Lop Open Load det. (voltage across ...
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ELECTRICAL CHARACTERISTICS (continued 14.4V 25°, unless otherwise specified.) s amb Symbol Parameter Aol Open load det. (voltage across the sensing resistor. Below this limit the Aux pin is considered in Open Load condition)This condition must be ...
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TDA7476 Isink and Isource are depending on the external resistor Rcs. The minimum allowed value for Rcs is 1.65KOhm. The relationship among Isink, Isource and Rcs is the following: On bridge (or bridge equivalent) devices if there is no short ...
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The amplifier can drain current in the resistive path of the short circuit, hence this current and consequently the short circuit resistor cannot be determined with a sufficient level of accuracy. 2) The voltage difference between the car radio ...
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TDA7476 Permanent diagnostic - AUX1, AUX2 - Short circuit to GND and open load The detection mode of the auxiliary inputs is equal to what is in place during turn-on, but the fault must be lasting without interruption for more ...
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The following table shows the result pointed out by TDA7476 when multiple misconnections are present: ACTUAL FAULTS S.C. CH+ to GND + OPEN LOAD S.C. CH(*) to GND + S.C. ACROSS LOAD S.C. CH- to GND + OPEN LOAD S.C. ...
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TDA7476 The minimum voltage of the AUX IN pins to sense the open load condition is 2V. The minimum voltage of the AUX IN pin to detect the short circuit to GND by sensing drop on the resistor is 4.5V. ...
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Figure 3. Timing Diagram on the I SCL SDA START Figure 4. Acknowledge on the I SCL SDA START SOFTWARE SPECIFICATIONS The TDA7476 is activated by turning-on the ST-BY pin (CMOS compatible). In this condition it waits for the I2CBus ...
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TDA7476 READ BYTE 1 MSB ...
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READ BYTE 1 MSB ...
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TDA7476 START ADD2 ACK Step 4: repeat Step1, Step2, Step3 while the second, third, fourth, ...turn-on diagnostic has to be done. During the last turn-on diagnostic the P sends ADD2, receives BYTE1, BYTE2, BYTE3, and sends the acknowlegde after BYTE3 ...
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APPLICATION NOTES When single-ended devices are used and the application circuit is as shown in fig. 7, necessary to use greater timing capacitor so that the time tm is high and the outputs of the amplifiers ...
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TDA7476 To use the TDA7476 with a car-radio system which has less than five audio channel and less than two auxiliary loads necessary to take some cares: - each pin CH± not used has to be fixed to ...
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Figure 7. TDA7375 in S.E. mode with 4 output capacitors TDA7375 CH1+ CH2+ CH3+ CH4+ CH5+ D97AU575A Figure 8. TDA7375 in S.E. mode with 2 output capacitors TDA7375 CH1+ CH2+ CH3+ CH4+ CH5+ D97AU576A + - - + + - ...
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TDA7476 mm DIM. MIN. TYP. MAX. A 2.35 2.65 0.093 A1 0.10 0.30 0.004 A2 2.55 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 15.20 15.60 0.598 E 7.40 7.60 0.291 e 1.27 H 10.0 10.65 0.394 h 0.25 ...
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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 ...