TDA7561 Datasheet, PDF (5/19 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

TDA7561
ELECTRICAL CHARACTERISTCS (continued)
(Refer to the test circuit, V_S = 14.4V; R_L = 4Ω; f = 1KHz;T_amb = 25°C; unless otherwise specified).
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
CD_LK Clip Det High Leakage Current CD off
0
15
µA
CD_SAT Clip Det Sat. Voltage
CD on; I_CD = 1mA
150 300 mV
CD_THD Clip Det THD level
1
2
%
TURN ON DIAGNOSTICS 1 (Power Amplifier Mode)
Pgnd
Short to GND det. (below this
limit, the Output is considered in
Short Circuit to GND)
Power Amplifier in st-by condition
1.2
V
Pvs Short to Vs det. (above this limit,
the Output isconsidered in Short
Circuit to V_S)
Vs -1.2
V
Pnop
Normal operation thresholds.
(Within these limits, the Output
is considered without faults).
1.8
Vs -1.8 V
Lsc Shorted Load det.
0.5
Ω
Lop Open Load det.
130
Ω
Lnop Normal Load det.
1.5
70
Ω
TURN ON DIAGNOSTICS 2 (Line Driver Mode)
Pgnd
Short to GND det. (below this
limit, the Output is considered in
Short Circuit to GND)
Power Amplifier in st-by
1.2
V
Pvs Short to Vs det. (above this limit,
the Output isconsidered in Short
Circuit to V_S)
Vs -1.2
V
Pnop
Normal operation thresholds.
(Within these limits, the Output is
considered without faults).
1.8
Vs -1.8 V
Lsc Shorted Load det.
1.5
&
Lop Open Load det.
400
&
Lnop Normal Load det.
4.5
200
&
PERMANENT DIAGNOSTICS 2 (Power Amplifier Mode or Line Driver Mode)
Pgnd
Short to GND det. (below this
limit, the Output is considered in
Short Circuit to GND)
Power Amplifier in Mute or Play,
one or more short circuits
protection activated
1.2
V
Pvs Short to Vs det. (above this limit,
the Output is considered in Short
Circuit to V_S)
Vs -1.2
V
Pnop
Normal operation thresholds.
(Within these limits, the Output is
considered without faults)
1.8
Vs -1.8 V
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