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TDA7494 Datasheet, PDF (3/12 Pages) STMicroelectronics – 10W AMPLIFIER WITH DC VOLUME CONTROL
TDA7494
ELECTRICAL CHARACTERISTICS (continued)
Symbol
THD
Ipeak
Top
Vin
GV
GvLine
AMinVol
BW
eN
SR
Ri
RMon
Rload Mon
SVR
TM
Ts
VST-BY
VMUTE
Sel #1
Sel #2
Sel #3
IqST-BY
AMUTE
IstbyBIAS
ImuteBIAS
IswitchBIAS
Parameter
Total Harmonic Distortion
Output Peak Current
Operating Temperature
Input Signal
Closed Loop Gain
Monitor Out Gain
Attenuation at Min Volume
Total Output Noise
Slew Rate
Input Resistance
Monitor Output Resistance
Monitor Output Load
Supply Voltage Rejection
Thermal Muting
Thermal Shut-down
Stand-by threshold
Mute Threshold
Control Voltage
Control Voltage
Control Voltage
Quiescent Current @ Stand-by
Mute Attenuation
Stand-by bias current
Mute bias current
Switch bias current
Test Condition
PO = 1W; f = 1KHz; Gv = 26dB
(internally limited)
Vol Ctrl > 4.5V
RLOAD Mon = ∞
Vol Ctrl < 0.5V
f = 20Hz to 22KHz
Play, max volume
f = 20Hz to 22KHz
Play, max attenuation
f = 20Hz to 22KHz
Mute
f = 1kHz; max volume
CSVR = 470µA; VRIP = 1VRMS
f = 1kHz; max attenuation
CSVR = 470µA; VRIP = 1VRMS
Input #1 selected
Input #2 selected
Input #3 selected
Stand by on; VST-BY = 5V;
VMUTE = 5V;
Play or Mute
Mute
Play
Input #1 selected
Input #2 selected
Input #3 selected
Min.
1.4
0
24.5
-3
80
5
22.5
1.4
30
36
60
2.3
2.3
0
2.3
4
60
Typ.
1.9
26
-1.5
0.6
350
60
30
8
30
2
43
73
150
160
2.5
2.5
0.6
75
80
2
1.5
0.5
-0.5
1
1.5
Max.
0.4
70
2.8
27.5
0
700
Unit
%
A
°C
Vrms
dB
dB
dB
MHz
µV
100
µV
50
µV
V/µs
KΩ
3
KΩ
KΩ
dB
dB
°C
°C
2.7
V
2.7
V
1
V
2.7
V
5
V
1
mA
dB
150
µA
20
µA
10
µA
5
µA
5
µA
10
µA
20
µA
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