TDA7265 STMicroelectronics, TDA7265 Datasheet - Page 8

• Manufacturer Part Number: TDA7265
• Description: IC AMP AUDIO PWR 25W MULTIWATT11
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7265

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 25W x 2 @ 8 Ohm
• Voltage - Supply: ±5 V ~ 25 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: Multiwatt-11 (Vertical, Bent and Staggered Leads)
• Amplifier Class: AB
• No. Of Channels: 2
• Output Power: 25W
• Supply Voltage Range: ± 5V To ± 25V
• Load Impedance: 4ohm
• Operating Temperature Range: -20°C To +85°C
• Amplifier Case Style: Multiwatt11
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3960-5

TDA7265
APPLICATIONS SUGGESTION
(Demo Board Schematic)
The recommended values of the external compo-
(*) Closed loop gain has to be => 25dB
MUTE, STAND-BY TRUTH TABLE
8/11
COMPONENTS
R7, R10
R5, R8
R6, R9
C1, C2
C4, C6
C5, C7
C8, C9
SW1
Dz
R1
R2
R3
R4
C3
Q1
B
B
A
A
RECOMMENDED
VALUE
1000 F
BC107
0.1 F
0.1 F
SW2
10K
15K
18K
15K
18K
560
4.7
5.1V
1 F
1 F
A
B
A
B
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
Mute Circuit
STAND-BY
STAND-BY
MUTE
PLAY
PURPOSE
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
pin
pin
pin
# 5 Shifted Downward
# 5 Shifted Upward
# 5 Shifted Upward
LARGER THAN
RECOMMENDED VALUE
V
V
V
Higher Low Frequency
Cutoff
Smaller On/Off Time
Danger of Oscillations
Danger of Oscillations
Danger of Oscillations
pin
pin
pin
SMALLER THAN
# 5 Shifted Upward
# 5 Shifted Downward
# 5 Shifted Downward