FAB2200 Datasheet, PDF (9/33 Pages) Fairchild Semiconductor – Audio Subsystem with Stereo Class-G Headphone Amplifier and 1.2W Mono Class-D Speaker Amplifier

Typical Performance Characteristics
System
8.0 _{ZSPKR = 8ohm+68uH}
7.5
RHP = 32ohm
SPKR Path Gain = 12dB
7.0
HP Path Gain = 0dB
SPA+HPA
SPA
6.5
HPA
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
3.0
3.5
4.0
4.5
5.0
Supply Voltage (V)
Figure 4. Quiescent Supply Current
vs. Supply Voltage
Speaker Amplifier
5.5
Figure 5. Hardware and Software Shutdown Current
vs. Supply Voltage
Figure 6. THD+N vs. Output Power
Figure 7. THD+N vs. Frequency
Figure 8. Efficiency vs. Output Power
Figure 9. Efficiency vs. Output Power
© 2009 Fairchild Semiconductor Corporation
FAB2200 • Rev. 1.0.1
9
www.fairchildsemi.com