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TDA7293_10 Datasheet, PDF (5/21 Pages) STMicroelectronics – 120-volt, 100-watt, DMOS audio amplifier with mute and standby
TDA7293
Electrical specifications
2.3
Electrical characteristics
The specifications given here were obtained with the conditions VS = ±40 V, RL = 8 Ω,
Rg = 50 Ω, Tamb = 25 °C, f = 1 kHz unless otherwise specified.
Table 4.
Symbol
.
Electrical characteristics
Parameter
Test conditions
Min Typ Max Unit
VS
Supply range
Iq
Quiescent current
Ib
Input bias current
VOS
Input offset voltage
IOS
Input offset current
PO
Continuous output power
d
Total harmonic distortion (1)
ISC
SR
GV
GV
eN
Ri
SVR
Current limiter threshold
Slew rate
Open loop voltage gain
Closed loop voltage gain (2)
Total input noise
Input resistance
Supply voltage rejection
TS
Thermal protection
Standby function (ref. to to pin 1)
VST on
Standby on threshold
VST off
Standby off threshold
ATTst-by Standby attenuation
Iq st-by
Quiescent current @ standby
Mute function (ref. to pin 1)
VMon
VMoff
ATTmute
Mute on threshold
Mute off threshold
Mute attenuatIon
-
-
-
-
-
d = 1%, RL = 4 Ω,
VS = ±29 V
d = 10%, RL = 4Ω,
VS = ±29 V
PO = 5 W, f = 1 kHz
PO = 0.1 to 50 W,
f = 20 Hz to 15 kHz
VS ≤ ±40 V
-
-
-
A = curve
f = 20 Hz to 20 kHz
-
f = 100 Hz,
Vripple = 0.5 V RMS
Device mutes
Device shuts down
±12 -
±50 V
-
50
100 mA
-
0.3
1
µA
-10
-
10
mV
-
-
0.2
µA
75
80
80
-
W
90
100
100
-
W
-
0.005 -
%
-
-
0.1
%
-
6.5
-
5
10
-
-
80
-
29
30
31
-
1
-
-
3
10
100 -
-
A
V/µs
dB
dB
µV
µV
kΩ
-
75
-
dB
-
150 -
°C
-
160 -
°C
-
-
-
1.5
V
-
3.5
-
-
V
-
70
90
-
dB
-
-
0.5
1
mA
-
-
-
1.5
V
-
3.5
-
-
V
-
60
80
-
dB
Doc ID 6744 Rev 8
5/21