ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit V
S
=
±
40V, R
L
= 8
Ω
, R
g
= 50
Ω
;
T
amb
= 25°C, f = 1 kHz; unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
S
Supply Range
±
12
±
50
V
I
q
Quiescent Current
50
100
mA
I
b
Input Bias Current
0.3
1
µ
A
V
OS
Input Offset Voltage
-10
10
mV
I
OS
Input Offset Current
0.2
µ
A
P
O
RMS Continuous Output Power
d = 1%:
R
L
= 4
Ω;
V
S
=
±
29V,
75
80
80
W
d = 10%
R
L
= 4
Ω
; V
S
=
±
29V
90
100
100
W
d
Total Harmonic Distortion (**)
P
O
= 5W; f = 1kHz
P
O
= 0.1 to 50W; f = 20Hz to 15kHz
0.005
0.1
%
%
I
SC
Current Limiter Threshold
V
S
≤
±
40V
6.5
A
SR
Slew Rate
5
10
V/
µ
s
G
V
Open Loop Voltage Gain
80
dB
G
V
Closed Loop Voltage Gain (1)
29
30
31
dB
e
N
Total Input Noise
A = curve
f = 20Hz to 20kHz
1
3
10
µ
V
µ
V
R
i
Input Resistance
100
k
Ω
SVR
Supply Voltage Rejection
f = 100Hz; V
ripple
= 0.5Vrms
75
dB
T
S
Thermal Protection
DEVICE MUTED
150
°
C
DEVICE SHUT DOWN
160
°
C
STAND-BY FUNCTION (Ref: to pin 1)
V
ST on
Stand-by on Threshold
1.5
V
V
ST off
Stand-by off Threshold
3.5
V
ATT
st-by
Stand-by Attenuation
70
90
dB
I
q st-by
Quiescent Current @ Stand-by
0.5
1
mA
MUTE FUNCTION (Ref: to pin 1)
V
Mon
Mute on Threshold
1.5
V
V
Moff
Mute off Threshold
3.5
V
ATT
mute
Mute AttenuatIon
60
80
dB
CLIP DETECTOR
Duty
Duty Cycle ( pin 5)
THD = 1% ; RL = 10K
Ω
to 5V
10
%
THD = 10% ;
RL = 10K
Ω
to 5V
30
40
50
%
PO = 50W
3
µ
A
SLAVE FUNCTION pin 4 (Ref: to pin 8 -V
S
)
1
V
3
V
Note: Pin 11 only for modular connection. Max external load 1M
Ω
/10 pF, only for test purpose
Note (**): Tested with optimized Application Board (see fig. 2)
TDA7293
3/15
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