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TDA7265B
30 W + 30 W stereo amplifier with mute and standby
December 2011 Doc ID 022601 Rev 1 1/18
TDA7265B30 W + 30 W stereo amplifier with mute and standby
Features Wide-range supply voltage (up to ± 35 V ABS
max.) Split supply High output power 30 W + 30 W at THD=10%, RL = 8 Ω, VS ± 23 V 25 W + 25 W at THD=1%, RL = 8 Ω, VS ± 23 V No “pop” at turn-on/off Mute (“pop-free”) Standby feature (low IQ) Short-circuit protection Thermal overload protection
DescriptionThe TDA7265B is class-AB dual audio power
amplifier assembled in the Multiwatt package,
especially designed for high-quality sound
applications such as home entertainment
systems and stereo TV sets.
The device is pin-to-pin compatible with the
TDA7265, TDA7269A and TDA7292.
Figure 1. Typical application circuit in split supply
Table 1. Device summary
Contents TDA7265B2/18 Doc ID 022601 Rev 1
Contents Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Mute standby function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115.1 Stereo configuration circuit and PCB layout . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Application suggestions for stereo configuration . . . . . . . . . . . . . . . . . . . 13
5.3 Single supply circuit configuration and PCB layout . . . . . . . . . . . . . . . . . 14
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
TDA7265B List of tables
Doc ID 022601 Rev 1 3/18
List of tables
Table 1. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Electrical characteristcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 5. Recommended values of the external components in the TDA7265B demonstration
board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 6. Mute, standby truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 7. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
List of figures TDA7265B
4/18 Doc ID 022601 Rev 1
List of figures
Figure 1. Typical application circuit in split supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4. Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5. THD vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Quiescent current vs. pin 5 voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 8. Attenuation vs. pin 5 voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 9. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 10. Power dissipation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 11. Mute/standby thresholds on pin 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 12. Test and application circuit (stereo configuration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 13. Soldering side (bottom). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 14. Component side (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 15. Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 16. Typical application circuit in single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 17. Soldering side (bottom). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 18. Component side (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 19. Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 20. Multiwatt 11 (vertical) mechanical data & package dimensions . . . . . . . . . . . . . . . . . . . . . 16
TDA7265B Pin connections
Doc ID 022601 Rev 1 5/18
1 Pin connections
Figure 2. Pin connections (top view)
Electrical specifications TDA7265B
6/18 Doc ID 022601 Rev 1
2 Electrical specifications
2.1 Absolute maximum ratings
2.2 Thermal data
2.3 Electrical characteristics
Refer to the test circuit, VS = ± 23 V; RL = 8 Ω; Rs = 50 Ω; GV = 30 dB; f = 1 kHz; amb = 25 °C, unless otherwise specified.
Table 2. Absolute maximum ratings
Table 3. Thermal data
Table 4. Electrical characteristcs
TDA7265B Electrical specifications
Doc ID 022601 Rev 1 7/18
Table 4. Electrical characteristcs (continued)
Typical operating characteristics TDA7265B
8/18 Doc ID 022601 Rev 1 Typical operating characteristics
Figure 3. Quiescent current vs. supply
voltage
Figure 4. Frequency response
Figure 5. THD vs. output power Figure 6. Output power vs. supply voltage
TDA7265B Typical operating characteristics
Doc ID 022601 Rev 1 9/18
Figure 7. Quiescent current vs. pin 5 voltage Figure 8. Attenuation vs. pin 5 voltage
Figure 9. Crosstalk vs. frequency Figure 10. Power dissipation vs. output power
