Datasheet
Table Of Contents
- Table 1. Device summary
- Figure 1. Applications circuit
- 1 Pin description
- 2 Electrical specifications
- 3 Characterization curves
- Figure 3. Quiescent current vs. supply voltage
- Figure 4. Frequency response
- Figure 5. Output power vs. supply voltage
- Figure 6. Output power vs. supply voltage
- Figure 7. Output power vs. supply voltage
- Figure 8. THD vs. output power
- Figure 9. THD vs. output power
- Figure 10. THD vs. output power
- Figure 11. Quiescent current vs. voltage on pin 5
- Figure 12. Attenuation vs. voltage on pin 5
- Figure 13. Crosstalk vs. frequency
- Figure 14. Power dissipation vs. output power
- Figure 15. Power dissipation vs. output power
- Figure 16. Power dissipation vs. output power
- 4 Mute and standby modes
- 5 Applications information
- 6 Package mechanical data
- 7 Revision history
TDA7292 Applications information
Doc ID 15775 Rev 5 15/22
Table 6. Recommended values
Component
Recommended
value
Purpose
Larger than
recommended
value
Smaller than
recommended
value
R1 10 kΩ Mute circuit
Decrease in DZ
biasing current
-
R2 15 kΩ Mute circuit
V
PIN5
shifted
downwards
V
PIN5
shifted
upwards
R3 47 kΩ Mute circuit
V
PIN5
shifted
upwards
V
PIN5
shifted
downwards
R4 15 kΩ Mute circuit
V
PIN5
shifted
upwards
V
PIN5
shifted
downwards
R5, R8 18 kΩ
Closed-loop gain
setting
(1)
1. Closed-loop gain must be >29 dB
Increase in gain -
R6, R9 560 Ω Decrease in gain -
R7, R10 4.7 Ω Frequency stability Danger of oscillation Danger of oscillation
C1, C2 1 μF Input AC coupling -
Higher low-
frequency cutoff
C3 1 µF
Standby/mute time
constant
Larger on/off time Smaller on/off time
C4, C6 1000 μF
Supply voltage
decoupling
- Danger of oscillation
C5, C7 0.1 μF
Supply voltage
decoupling
- Danger of oscillation
C8, C9 0.1 μF Frequency stability - -
Dz 5.1 V Mute circuit - -
Q1 BC107 Mute circuit - -