9

Apr. 2008 Rev. 1. 0

BCD Semiconductor Manufacturing Limited

2.7W Stereo Audio Power Amplifier with Shutdown, 4 Selectable Gain Setups AA4005

Preliminary Datasheet

Figure 11. THD+N vs. Output Power

Typical Performance Characteristics (Continued)

Figure 12. THD+N vs. Output Power

Figure 13. THD+N vs. Output Power

Figure 14. THD+N vs. Frequency

10m

100m

1

0.1

1

10

Output Power (W)

VDD=5.0V

f=1kHz

Gain=6dB

LPF=22kHz

10m

100m

1

0.01

0.1

1

10

f=10kHz

f=20Hz

Output Power (W)

VDD=5.0V

Gain=6dB

LPF=30kHz

f=1kHz

10m

100m

1

0.1

1

10

Gain=10dB

Gain=15.6dB

Gain=21.6dB

Gain=6dB

Output Power (W)

VDD=5.0V

f=1kHz

LPF=22kHz

100

1k

10k

0.01

0.1

1

10

Frequency (Hz)

VDD=5.0V

Gain=6dB

LPF=30kHz

PO=1.5W

PO=1W

PO=0.25W