TDA7269 STMicroelectronics, TDA7269 Datasheet - Page 5

• Manufacturer Part Number: TDA7269
• Description: IC AMP AUDIO PWR 10W MULTIWATT11
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7269

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 10W x 2 @ 8 Ohm
• Voltage - Supply: ±5 V ~ 20 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: Multiwatt-11 (Vertical, Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3: Test and Application Circuit (Stereo Configuration)
APPLICATIONS SUGGESTION
(Demo Board Schematic)
The recommended values of the external compo-
(*) Closed loop gain has to be => 25dB
COMPONENTS
R7, R10
R5, R8
R6, R9
C1, C2
C4, C6
C5, C7
C8, C9
Dz
R1
R2
R3
R4
C3
SW1
R1
DZ
RECOMMENDED
SW2
R2
R4
VALUE
1000 F
10K
15K
18K
15K
18K
0.1 F
0.1 F
560
4.7
5.1V
1 F
1 F
C3
R3
C2
C1
D94AU087
MUTE/
ST-BY
IN (R)
IN (L)
GND
Mute Circuit
Mute Circuit
Mute Circuit
Mute Circuit
Closed Loop Gain
Setting (*)
Frequency Stability
Input DC
Decoupling
St-By/Mute Time
Constant
Supply Voltage
Bypass
Supply Voltage
Bypass
Frequency Stability
Mute Circuit
PURPOSE
5
7
9
11
+
+
-
-
1
nents are those shown are the demo board sche-
matic different values can be used: the following
table can help the designer.
RECOMMENDED VALUE
Increase of Dz
Biasing Current
V
V
V
Increase of Gain
Decrease of Gain
Danger of Oscillations
Larger On/Off Time
C7
pin
pin
pin
+V
# 5 Shifted Downward
# 5 Shifted Upward
# 5 Shifted Upward
LARGER THAN
S
-V
+V
3
6
S
S
10
4
8
2
C6
OUT (L)
IN- (L)
IN- (R)
OUT (R)
R5
R6
R8
C4
R10
C9
RECOMMENDED VALUE
V
V
V
Danger of Oscillations
Higher Low Frequency
Cutoff
Smaller On/Off Time
Danger of Oscillations
Danger of Oscillations
R9
pin
pin
pin
C5
R7
C8
SMALLER THAN
# 5 Shifted Upward
# 5 Shifted Downward
# 5 Shifted Downward
TDA7269
RL (R)
RL (L)
5/7