TDA7564 STMicroelectronics, TDA7564 Datasheet
TDA7564
Specifications of TDA7564
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TDA7564 Summary of contents
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... SVR September 2003 WITH BUILT-IN DIAGNOSTICS FEATURES tions. Thanks to the DMOS output stage the TDA7564 has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable de- vice to simplify the thermal management in high power sets ...
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... TDA7564 ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage Supply Voltage S V Peak Supply Voltage (for t = 50ms) peak V CK pin Voltage CK V Data Pin Voltage DATA I Output Peak Current (not repetitive t = 100ms Output Peak Current (repetitive f > 10Hz Power Dissipation T tot case ...
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... Figure 1. Application Circuit DATA BUS CLK 0.1 F 3300 F Vcc1 Vcc2 S-GND OUT TDA7564 + 17 18 OUT OUT OUT OUT TAB 1 47K V D00AU1212 3/20 ...
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... TDA7564 ELECTRICAL CHARACTERISTICS (Refer to the test circuit 14.4V Symbol Parameter POWER AMPLIFIER V Supply Voltage Range S I Total Quiescent Drain Current d P Output Power O THD Total Harmonic Distortion C Cross Talk T R Input Impedance IN G Voltage Gain Voltage Gain Match Voltage Gain 2 V2 ...
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... Power Amplifier in st-by Power Amplifier in st-by Power Amplifier in Mute or Play, one or more short circuits protection activated Pow. Amp. mode Line Driver mode Power Amplifier in play, AC Input signals = 0 V < 5) < 5) TDA7564 Min. Typ. Max. Unit 1.8 Vs -1.8 V 0.5 85 1. -1.2 V 1.8 Vs -1.8 V ...
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... TDA7564 Figure 2. Quiescent Current vs. Supply Voltage Id (mA) 250 230 Vin = 0 210 NO LOADS 190 170 150 130 110 (V) Figure 3. Output Power vs. Supply Voltage ( ( Ohm KHz (V) Figure 4. Output Power vs. Supply Voltage ( (W) 100 Ohm KHz (V) 6/20 Figure 5. Distortion vs. Output Power (4 , STD) THD (%) 10 STANDARD MODE ...
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... Figure 12. Power Dissipation & Efficiency vs. Output Power (4 , STD, SINE) Ptot ( STANDARD MODE Ohm KHz SINE 10000 Figure 13. Power Dissipation & Efficiency vs. Output Power (4W, HI-EFF, SINE) Ptot ( HI-EFF MODE Ohm KHz SINE 10000 0 0.1 TDA7564 1000 10000 f (Hz) n (%) Ptot (W) n (%) Ptot (W) 7/20 ...
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... TDA7564 Figure 14. Power Dissipation vs. Average Ouput Power (Audio Program Simulation Ptot ( Ohm 35 GAUSSIAN NOISE (W) DIAGNOSTICS FUNCTIONAL DESCRIPTION: a) TURN-ON DIAGNOSTIC It is activated at the turn-on (stand-by out) under I – SHORT TO GND – SHORT TO Vs – SHORT ACROSS THE SPEAKER – OPEN SPEAKER To verify if any of the above misconnections are in place, a subsonic (inaudible) current pulse (fig. 16) is inter- nally generated, sent through the speaker(s) and sunk back ...
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... Typ) Diagnostic Enable FAULT (Permanent) event Permanent Diagnostics data (output) permitted time Turn-on Diagnostics data (output) Diagnostic Enable permitted time Read Data TDA7564 Read Data Permanent diagnostic acquisition time (100mS Typ) FAULT event (Permanent) Permanent Diagnostics data (output) permitted time t t ...
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... The following additional features are provided: – OUTPUT OFFSET DETECTION The TDA7564 has 2 operating statuses: 1 RESTART mode. The diagnostic is not enabled. Each audio channel operates independently from each other. If any of the a.m. faults occurs, only the channel(s) interested is shut down. A check of the output status is made every 1 ms (fig ...
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... The diagnostic decision is made according to peak output 2 C reading. This is to ensure continuous diagnostics 1mS 1mS 1mS 1mS Short circuit removed 100/200mS TDA7564 Out t 1mS 1mS t Short circuit removed 11/20 ...
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... TDA7564 current thresholds, as follows: Iout > 500mApk = NORMAL STATUS Iout < 250mApk = OPEN TWEETER To correctly implement this feature necessary to briefly provide a signal tone (with the amplifier in "play") whose frequency and magnitude are such to determine an output current higher than 500mApk in normal con- ditions and lower than 250mApk should the parallel tweeter be missing. The test has to last for a minimum num- ber of 3 sine cycles starting from the activation of the AC diagnostic function IB2< ...
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... C. The short to Gnd is still present in bytes, because it is the result 2 C reading operation occurs, the bytes do not show the short). In general reading operations are necessary read (repeat until All faults disappear). TDA7564 new cycle will be able to start read 2 C reading 13/20 ...
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... I C BUS INTERFACE Data transmission from microprocessor to the TDA7564 and viceversa takes place through the 2 wires I face, consisting of the two lines SDA and SCL (pull-up resistors to positive supply voltage must be connected). Data Validity As shown by fig. 22, the data on the SDA line must be stable during the high period of the clock. The HIGH and LOW state of the data line can only change when the clock signal on the SCL line is LOW ...
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... SOFTWARE SPECIFICATIONS All the functions of the TDA7564 are activated by I The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from P to TDA7564) or read instruction (from TDA7564 to P). Chip Address Write to device Read from device If R the P sends 2 "Instruction Bytes": IB1 and IB2. ...
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... TDA7564 If R the TDA7564 sends 4 "Diagnostics Bytes" DB1, DB2, DB3 and DB4. DB1 D7 Thermal warning active ( Diag. cycle not activated or not terminated ( Diag. cycle terminated ( Channel LF current detection D5 Output peak current < 250mA - Open load ( Output peak current > 500mA - Open load ( Channel LF ...
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... Output peak current > 500mA - Open load ( Channel RR D4 Turn-on diagnostic ( Permanent diagnostic ( Channel RR D3 Normal load ( Short load ( Channel RR Turn-on diag.: No open load ( Open load detection ( Permanent diag.: No output offset ( Output offset detection ( Channel short to Vcc ( Short to Vcc ( Channel short to GND ( Short to GND ( TDA7564 17/20 ...
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... TDA7564 Examples of bytes sequence 1 - Turn-On diagnostic - Write operation Start Address byte with Turn-On diagnostic - Read operation Start Address byte with The delay from can be selected by software, starting from T.B. Turn-On of the power amplifier with 26dB gain, mute on, diagnostic defeat, High eff. mode both channels.. ...
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... Flexiwatt25 (vertical TDA7564 OUTLINE AND FLEX25ME 7034862 D 19/20 ...
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... TDA7564 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 ...