TDA7566_06 Datasheet, PDF (9/28 Pages) STMicroelectronics – 4x40W multifunction quad power amplifier with built-in diagnostics features

TDA7566
Electrical specifications
Table 3.
Electrical characteristics (continued)
(Refer to the test circuit, V_S = 14.4V; R_L = 4Ω; f = 1KHz; G_V = 26dB; T_amb = 25°C; unless
otherwise specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Lsc Shorted Load det.
0.5
W
Lop Open Load det.
Lnop Normal Load det.
85
W
1.65
45
W
TURN ON DIAGNOSTICS 2 (Line Driver Mode)
Pgnd
Pvs
Pnop
Short to GND det. (below this
limit, the Output is considered in
Short Circuit to GND)
Short to Vs det. (above this limit,
the Output isconsidered in Short Power Amplifier in st-by
Circuit to VS)
Normal operation thresholds.
(Within these limits, the Output is
considered without faults).
Vs -1.2
1.8
1.2
V
V
Vs -1.8 V
Lsc
Lop
Lnop
Shorted Load det.
Open Load det.
Normal Load det.
2
W
330
W
7
180
W
PERMANENT DIAGNOSTICS 2 (Power Amplifier Mode or Line Driver Mode)
Pgnd
Pvs
Pnop
L_SC
Short to GND det. (below this Power Amplifier in Mute or Play,
limit, the Output is considered in one or more short circuits
Short Circuit to GND)
protection activated
Short to Vs det. (above this limit,
the Output is considered in Short
Circuit to VS)
Normal operation
thresholds.(Within these limits,
the Output is considered without
faults).
Shorter Load det.
Power Amplifier mode
Line Driver mode
Vs -1.2
1.8
1.2
V
V
Vs -1.8 V
0.5
W
2
W
V_O Offset Detection
Power Amplifier in play, AC Input
signals = 0
1.5
2
2.5
V
I_NL Normal load current detection
I_OL Open load current detection
I²C BUS INTERFACE
V_O < (V_S - 5)pk
500
mA
250 mA
f_SCL Clock Frequency
V_IL Input Low Voltage
V_IH Input High Voltage
400
KHz
1.5
V
2.3
V
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