TDA7495 STMicroelectronics, TDA7495 Datasheet - Page 5

• Manufacturer Part Number: TDA7495
• Description: IC AMP AUDIO PWR 11W MULTIWATT15
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7495

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 11W x 2 @ 8 Ohm
• Voltage - Supply: 11 V ~ 35 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
• Mounting Type: Through Hole
• Package / Case: Multiwatt-15 (Vertical, Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

APPLICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of figure
1a. Different values can be used, the following table can help the designer.
TYPICAL CHARACTERISTICS:
Refer to the application circuit of fig.1A T
otherwise specified.
Figure 2. Output Power vs Supply Voltage
COMPONENT
P
(W)
16
14
12
10
OUT
8
6
4
2
0
R1
R2
C1
C2
C3
C4
C5
C6
C7
C8
C9
P1
11
15
R
SUGGESTION
L
=8
19
1000 F
1000 F
1000 F
VALUE
470nF
470nF
470 F
100nF
100nF
300K
10K
50K
1 F
d=10%
23
27
Volume control
circuit
Mute time constant
Volume control
circuit
Supply voltage
bypass
Input DC decoupling Lower low frequency
Input DC decoupling Lower low frequency
Ripple rejection
Volume control time
costant
Output DC
decoupling
Mute time costant
Output DC
decoupling
Supply voltage
bypass
d=1%
PURPOSE
31
D97AU559
amb
V
S
(V)
= 25°C; V
Larger volume regulation
Larger mute on/off time
cutoff
cutoff
Better SVR
Larger volume regulation
time
Lower low frequency
cutoff
Larger mute on/off time
Lower low frequency
cutoff
Figure 3. Distortion vs Output Power
LARGER THAN
SUGGESTION
S
= 20V; R
0.01
(%)
0.1
d
1
0
L
2
= 8 ; F = 1KHz; R
time
V
R
4
S
L
Smaller volume regulation time
Smaller mute on/off time
Danger of oscillation
Higher low frequency cutoff
Higher low frequency cutoff
Worse SVR
Smaller volume regulation time
Higher low frequency cutoff
Smaller mute on/off time
Higher low frequency cutoff
Danger of oscillation
=8
=28V
f=15KHz
6
SMALLER THAN
SUGGESTION
f=1KHz
8
S
= 50 ; unless
D97AU560
P
TDA7495
OUT
(W)
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