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TDA7563STN/a1999avaiMULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES


TDA7563 ,MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURESTDA7563MULTIFUNCTION QUAD POWER AMPLIFIERWITH BUILT-IN DIAGNOSTICS
TDA7563A ,Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute inputBlock diagram . . . . 5Figure 2. Application circuit . 5Figure 3. Pin connections - F ..
TDA7563B ,Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute inputfeatures, its superior efficiency and AC load detection)performance coming from the internal exclus ..
TDA7563BPD ,Intelligent high efficiency (class SB) quad BTL output with full I2C diagnostics (turn on, permanent, ac) and stand-by/mute inputfunctional description . . . . 144.1 Turn-on diagnostic . . 144.2 Permanent diagnostics ..
TDA7563PD ,MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURESFEATURESFigure 1. Package■ MULTIPOWER BCD TECHNOLOGY■ MOSFET OUTPUT POWER STAGE■ DMOS POWER OUTPUT■ ..
TDA7563PDTR ,MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURESElectrical Characteristics (Refer to the test circuit, V = 14.4V; R = 4Ω ; f = 1KHz; G = 30dB; T = ..
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THS4131IDGK ,Fully Differential Input/Output Low Noise AmplifierFeatures 3 DescriptionThe THS413x device is one in a family of fully-1• High Performancedifferentia ..
THS4131IDGN ,Fully Differential Input/Output Low Noise Amplifier SLOS318I–MAY 2000–REVISED AUGUST 20155 Device Comparison TablesTable 1. Available Device PackagesP ..


TDA7563
MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES
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TDA7563

December 2002 DMOS POWER OUTPUT NON-SWITCHING HI-EFFICIENCY HIGH OUTPUT POWER CAPABILITY 4x28W/
4Ω @ 14.4V, 1KHZ, 10% THD, 4x40W EIAJ MAX. OUTPUT POWER 4x72W/2Ω FULL I2 C BUS DRIVING:
–ST-BY INDEPENDENT FRONT/REAR SOFT PLAY/
MUTE SELECTABLE GAIN 30dB 16dB (FOR LOW NOISE LINE OUTPUT
FUNCTION) HIGH EFFICIENCY ENABLE/DISABLE2 C BUS DIGITAL DIAGNOSTICS FULL FAULT PROTECTION DC OFFSET DETECTION FOUR INDEPENDENT SHORT CIRCUIT
PROTECTION CLIPPING DETECTOR PIN WITH
SELECTABLE THRESHOLD (2%/10%) ST-BY/MUTE PIN LINEAR THERMAL SHUTDOWN ESD PROTECTION
DESCRIPTION

The TDA7563 is a new BCD technology Quad Bridge
type of car radio amplifier in Flexiwatt27 package spe-
cially intended for car radio applications. Thanks to the
DMOS output stage the TDA7563 has a very low distor-
tion allowing a clear powerful sound. Among the fea-
tures, its superior efficiency performance coming from
the internal exclusive structure, makes it the most suit-
able device to simplify the thermal management in high
power sets.The dissipated output power under average
listening condition is in fact reduced up to 50% when
compared to the level provided by conventional class
AB solutions.This device is equipped with a full diagnos-
tics array that communicates the status of each speaker
through the I2 C bus.
MULTIFUNCTION QUAD POWER AMPLIFIER
WITH BUILT-IN DIAGNOSTICS FEATURES
BLOCK DIAGRAM
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ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN CONNECTION (Top view)
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Figure 1. Application Circuit
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ELECTRICAL CHARACTERISTICS

(Refer to the test circuit, VS = 14.4V; RL = 4Ω; f = 1KHz; GV = 30dB; Tamb = 25°C; unless otherwise specified.)
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ELECTRICAL CHARACTERISTICS (continued)

(Refer to the test circuit, VS = 14.4V; RL = 4Ω; f = 1KHz; GV = 30dB; Tamb = 25°C; unless otherwise specified.)
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Figure 2. Quiescent Current vs. Supply Voltage
Figure 3. Output Power vs. Supply Voltage (4Ω)
Figure 4. Output Power vs. Supply Voltage (2Ω)
Figure 5. Distortion vs. Output Power (4Ω, STD)
Figure 6. Distortion vs. Output Power (4Ω, HI-EFF)
Figure 7. Distortion vs. Output Power (2Ω, STD)
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TDA7563
Figure 8. Distortion vs. Frequency (4Ω)
Figure 9. Distortion vs. Frequency (2Ω)
Figure 10. Crosstalk vs. Frequency
Figure 11. Supply Voltage Rejection vs. Freq.
Figure 12. Power Dissipation & Efficiency vs.
Output Power (4Ω, STD, SINE)
Figure 13. Power Dissipation & Efficiency vs.
Output Power (4W, HI-EFF, SINE)
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Figure 14. Power Dissipation vs. Average
Ouput Power (Audio Program
Simulation, 4Ω)
Figure 15. Power Dissipation vs. Average
Ouput Power (Audio Program
Simulation, 2Ω)
DIAGNOSTICS FUNCTIONAL DESCRIPTION:
a) TURN-ON DIAGNOSTIC

It is activated at the turn-on (stand-by out) under I2 Cbus request. Detectable output faults are: 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.The Turn On diagnostic status is internally stored
until a successive diagnostic pulse is requested (after a I2C reading).
If the "stand-by out" and "diag. enable" commands are both given through a single programming step, the pulse
takes place first (power stage still in stand-by mode, low, outputs= high impedance).
Afterwards, when the Amplifier is biased, the PERMANENT diagnostic takes place. The previous Turn On state
is kept until a short appears at the outputs.
Figure 16. Turn - On diagnostic: working principle
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TDA7563

Fig. 17 and 18 show SVR and OUTPUT waveforms at the turn-on (stand-by out) with and without TURN-ON
DIAGNOSTIC.
Figure 17. SVR and Output behaviour (CASE 1: without turn-on diagnostic)
Figure 18. SVR and Output pin behaviour (CASE 2: with turn-on diagnostic)
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The information related to the outputs status is read and memorized at the end of the current pulse top. The
acquisition time is 100 ms (typ.). No audible noise is generated in the process. As for SHORT TO GND / Vs the
fault-detection thresholds remain unchanged from 30 dB to 16 dB gain setting. They are as follows:
Concerning SHORT ACROSS THE SPEAKER / OPEN SPEAKER, the threshold varies from 30 dB to 16 dB
gain setting, since different loads are expected (either normal speaker's impedance or high impedance). The
values in case of 30 dB gain are as follows:
If the Line-Driver mode (Gv= 16 dB and Line Driver Mode diagnostic = 1) is selected, the same thresholds will
change as follows:
b) PERMANENT DIAGNOSTICS.

Detectable conventional faults are: SHORT TO GND SHORT TO Vs SHORT ACROSS THE SPEAKER
The following additional features are provided: OUTPUT OFFSET DETECTION
The TDA7563 has 2 operating statuses: 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. 19). Restart takes place when the overload is removed. DIAGNOSTIC mode. It is enabled via I2 C bus and self activates if an output overload (such to cause
the intervention of the short-circuit protection) occurs to the speakers outputs . Once activated, the di-
agnostics procedure develops as follows (fig. 20):
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