TDA7263M STMicroelectronics, TDA7263M Datasheet - Page 5

• Manufacturer Part Number: TDA7263M
• Description: IC AMP AUDIO PWR 12W MULTIWATT11
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7263M

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 12W x 2 @ 8 Ohm
• Voltage - Supply: 10 V ~ 30 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection
• Mounting Type: Through Hole
• Package / Case: Multiwatt-11 (Vertical, Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

APPLICATION SUGGESTION
The recommended values of the components are those shown on application circuit of figure 1. Different
values can be used; the following table can help the designer.
(*) Closed loop gain must be higher than 26dB
Figure 8: P. C. Board and Component Layout of the Application Circuit (1:1 scale).
BUILT-IN PROTECTION SYSTEMS
THERMAL SHUT-DOWN
The presence of a thermal limiting circuit offers
the following advantages:
R1 and R3
R2 and R4
R5 and R6
C1 and C2
C3
C4
C5
C6 and C7
C8 and C9
C10 and C11
Component
1-an overload on the output (even if it is perma-
2-the heatsink can have a smaller factor of
nent), or an excessive ambient temperature
can be easily withstood.
safety compared with that of a conventional
Recomm.
1000 F
1000 F
1.5K
100nF
100nF
Value
0.1 F
47 F
47 F
4.7
47
Close loop gain setting (*)
Close loop gain setting (*)
Frequency stability
Input DC decoupling
- Ripple Rejection
- Mute time constant
Supply Voltage Bypass
Supply Voltage Bypass
Feedback input DC
decoupling
Frequency stability
Output DC decoupling
Purpose
Increase of gain
Decrease of gain
Danger of oscillations
Higher SVR
Increase of the Switch-on
time
Increase of the Switch-on
time
SHORT CIRCUIT (AC CONDITIONS)
The TDA7263M can withstand accidental short
circuits across the speaker made by a wrong con-
nection during normal play operation.
Larger Than
circuit. There is no device damage in the case
of excessive junction temperature; all that
happens is that P
are reduced.
O
(and therefore P
Decrease of gain
Increase of gain
Danger of oscillations
Higher low frequency cutoff
- Degradation of SVR
- Worse turn-off pop by muting
Decrease of the Switch-on
time
Danger of oscillations
Higher low-frequency cut-off
Smaller Than
TDA7263M
tot
) and I
5/7
O