TDA7293 Datasheet, PDF (3/13 Pages) STMicroelectronics – 120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY

TDA7293
ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit V_S = ±40V, R_L = 8Ω, R_g = 50 Ω;
T_amb = 25°C, f = 1 kHz; unless otherwise specified).
Symbol
V_S
I_q
I_b
V_OS
I_OS
P_O
Parameter
Supply Range
Quiescent Current
Input Bias Current
Input Offset Voltage
Input Offset Current
RMS Continuous Output Power
d
ISC
SR
G_V
G_V
e_N
R_i
SVR
T_S
Total Harmonic Distortion (**)
Current Limiter Threshold
Slew Rate
Open Loop Voltage Gain
Closed Loop Voltage Gain (1)
Total Input Noise
Input Resistance
Supply Voltage Rejection
Thermal Protection
STAND-BY FUNCTION (Ref: to pin 1)
V_{ST on}
V_{ST off}
Stand-by on Threshold
Stand-by off Threshold
ATT_st-by Stand-by Attenuation
I_{q st-by} Quiescent Current @ Stand-by
MUTE FUNCTION (Ref: to pin 1)
V_Mon Mute on Threshold
V_Moff Mute off Threshold
ATT_mute Mute AttenuatIon
CLIP DETECTOR
Duty Duty Cycle ( pin 5)
I_CLEAK
SLAVE FUNCTION pin 4 (Ref: to pin 8 -VS)
V_Slave SlaveThreshold
V_Master Master Threshold
Test Condition
d = 1%:
RL = 4Ω; VS = ± 29V,
d = 10%
R_L = 4Ω ; V_S = ±29V
P_O = 5W; f = 1kHz
P_O = 0.1 to 50W; f = 20Hz to 15kHz
A = curve
f = 20Hz to 20kHz
f = 100Hz; V_ripple = 0.5Vrms
DEVICE MUTED
DEVICE SHUT DOWN
THD = 1% ; RL = 10KΩ to 5V
THD = 10% ;
RL = 10KΩ to 5V
PO = 50W
Note (1): GVmin ≥ 26dB
Note: Pin 11 only for modular connection. Max external load 1MΩ/10 pF, only for test purpose
Note (**): Tested with optimized Application Board (see fig. 2)
Min.
±12
-10
100
3.5
70
3.5
60
3
Typ.
30
0.3
80
80
100
100
0.005
6.5
15
80
30
1
2
75
150
160
90
0.5
80
10
40
Max.
±50
1
10
0.2
0.1
5
1.5
1.5
1
1
Unit
V
mA
µA
mV
µA
W
W
%
%
A
V/µs
dB
dB
µV
µV
kΩ
dB
°C
°C
V
V
dB
mA
V
V
dB
%
%
µA
V
V
3/13