TDA7268 STMicroelectronics, TDA7268 Datasheet - Page 4

• Manufacturer Part Number: TDA7268
• Description: IC AMP AUDIO 2W STER AB 16DIP
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7268

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 2W x 2 @ 8 Ohm
• Voltage - Supply: 4.5 V ~ 18 V
• Features: Depop, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3963-5

TDA7268
Fig. 1: Standard Test and Application Circuit
Fig. 2: PCB And Components Layout Of The Application Circuit of Figure 1
APPLICATION HINTS:
For 12V supply and 8
maximum power dissipation is about 2W.
Assumming that max ambient temperature is
70 C. Required thermal resistance of the device
and heat dissipating means must be equal to (150
4/6
STAND-BY
IN1
IN2
S1
10K
10K
Note: Add R1 & R2 on demoboard only for DC tests.
R1
R2
C1 0.1 F
C2 0.1 F
speaker application, its
SVR
47 F
IN1
IN2
C3
4
5
3
S-GND
6
+
+
-
-
P-GND
9 16
- 70)/2 = 40 C/W.
Junction to pin thermal resistance of the package
is about 15 C/W.
That means external heat sink of about 25 C/W is
required. Stand-By switches must be able to dis-
charge C
1
2
8
7
svr
V
OUT1
V
OUT2
S1
S2
current.
D94AU168D
C6 470 F
470 F
C5
100 F
8
8
C4
V
S
=12V