TDA7269A STMicroelectronics, TDA7269A Datasheet - Page 5

• Manufacturer Part Number: TDA7269A
• Description: IC AMP AUDIO PWR 14W MULTIWATT11
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7269A

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 14W 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)
• Product: Class-AB
• Output Power: 14 W
• Available Set Gain: 80 dB
• Thd Plus Noise: 0.03 %
• Operating Supply Voltage: 22 V
• Supply Current: 3 A
• Maximum Power Dissipation: 40000 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Audio Load Resistance: 8 Ohms
• Dual Supply Voltage: +/- 9 V, +/- 12 V, +/- 15 V, +/- 18 V
• Input Bias Current (max): 0.5 uA
• Input Offset Voltage: 25 mV
• Input Signal Type: Single
• Minimum Operating Temperature: 0 C
• Output Signal Type: Single
• Supply Type: Dual
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 14x2@8OhmW
• Audio Amplifier Function: Speaker
• Input Bias Current: 500nA
• Total Harmonic Distortion: 0.03@8Ohm@1W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): ±9/±12/±15/±18V
• Power Supply Requirement: Dual
• Power Dissipation: 40W
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 60dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): ±5V
• Dual Supply Voltage (max): ±20V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 11 +Tab
• Package Type: MULTIWATT V
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: ± 5V To ± 20V
• Thd + N: 0.03% @ 1W, 4ohm, VS=± 16V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3964-5

Figure 4. Test and Application Circuit (Stereo Configuration)
APPLICATION SUGGESTIONS (Demo Board Schematic)
The recommended values of the external components are those shown the demoboard schematic different val-
ues can be used, the following table can help the designer.
(*) Closed loop gain has to be 25dB
COMPONENT
R7, R10
R5, R8
R6, R9
C1, C2
C4, C6
C5, C7
C8, C9
R1
R2
R3
R4
C3
Dz
ST-BY
SW1
R1
DZ
SUGGESTION
MUTE
SW2
1000 F
VALUE
10K
15K
18K
15K
18K
0.1 F
0.1 F
560
R2
R4
4.7
5.1V
1 F
1 F
Q1
C3
R3
C2
C1
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
D94AU087B
MUTE/
ST-BY
IN (R)
IN (L)
GND
PURPOSE
5
7
9
11
+
+
-
-
1
Increase of Dz Biasing
Current
V
V
V
Increase of Gain
Decrease of Gain
Danger of Oscillations
Larger On/Off Time
RECOMMENDED VALUE
pin
pin
pin
C7
#5 Shifted Downward
#5 Shifted Upward
#5 Shifted Upward
+V
LARGER THAN
S
-V
+V
3
6
S
S
10
C6
4
8
2
OUT (L)
IN- (L)
IN- (R)
OUT (R)
R5
R6
R8
C4
R10
C9
V
V
V
Danger of Oscillations
Higher Low Frequency Cutoff
Smaller On/Off Time
Danger of Oscillations
Danger of Oscillations
R9
pin
pin
pin
RECOMMENDED VALUE
C5
R7
C8
#5 Shifted Upward
#5 Shifted Downward
#5 Shifted Downward
SMALLER THAN
TDA7269A
RL (R)
RL (L)
5/9