TDA7496S Datasheet, PDF (3/10 Pages) STMicroelectronics – 5W+5W AMPLIFIER

ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
BW
eN
Total Output Noise
f = 20Hz to 22KHz
Play
f = 20Hz to 22KHz
Mute
SR
Slew Rate
Ri
Input Resistance
SVR
Supply Voltage Rejection
f = 1kHz;
C_SVR = 470µF; VRIP = 1Vrms
T_M
Thermal Muting
Ts
Thermal Shut-down
MUTE STAND-BY & INPUT SELECTION FUNCTIONS
VST-ON Stand-by ON threshold
VST-OFF Stand-by OFF threshold
VM ON Mute ON Threshold
VM OFF Mute OFF Threshold
IqST-BY Quiescent Current @ Stand-by
AMUTE Mute Attenuation
IstbyBIAS Stand-by bias current
Stand by on VST-BY = 5V
VMUTE = 5V
Play or Mute
ImuteBIAS Mute bias current
Mute
Play
TDA7496S
Min.
5
22.5
35
Typ.
0.6
60
60
8
30
39
150
160
Max.
150
150
Unit
MHz
µV
µV
V/µs
KΩ
dB
°C
°C
3.5
V
1.5
V
3.5
V
1.5
V
0.6
1
mA
50
65
dB
80
µA
µA
-20
-5
µA
1
5
µA
0.2
2
µA
APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of fig-
ure 1a. Different values can be used, the following table can help the designer.
COMPONENT
R2
C1
C2
C3
C4
C6
C7
C8
C9
SUGGESTION
VALUE
10K
1000µF
470nF
470nF
470µF
1000µF
1µF
1000µF
100nF
PURPOSE
LARGER THAN
SUGGESTION
Mute time constant Larger mute on/off time
Supply voltage
bypass
Input DC decoupling Lower low frequency cutoff
Input DC decoupling Lower low frequency cutoff
Ripple rejection
Better SVR
Output DC decoupling Lower low frequency cutoff
Mute time costant Larger mute on/off time
Output DC decoupling Lower low frequency cutoff
Supply voltage
bypass
SMALLER THAN
SUGGESTION
Smaller mute on/off time
Danger of oscillation
Higher low frequency cutoff
Higher low frequency cutoff
Worse SVR
Higher low frequency cutoff
Smaller mute on/off time
Higher low frequency cutoff
Danger of oscillation
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