FAB2210 Datasheet, PDF (32/35 Pages) Fairchild Semiconductor – Audio Subsystem with Class-G Headphone and 3.3W Mono Class-D Speaker with Dynamic Range Compression

HP_GAIN[1:0]
Sets the gain of the headphone amplifier block.
HP_GAIN[1:0]
11
10
01
00
SP_GAIN[1:0]
Sets the speaker amplifier gain.
SP_GAIN[1:0]
11
10
01
00
ADDR
B7
B6
B5
B4
0xC1
0
0
0
0
Default
0
0
0
0
SP_ZCSOFF
1=Speaker volume zero-crossing detection is off.
0=Speaker volume zero-crossing detection is on.
HP_ZCSOFF
1=Headphone volume zero-crossing detection is off.
0=Headphone volume zero-crossing detection is on.
Headphone Amplifier Gain (dB)
6.0
3.0
1.5
0
Speaker Amplifier Gain (dB)
Reserved
24
20
16
B3
B2
B1
B0
0
HP_ZCSOFF
0
SP_ZCSOFF
0
1
0
1
© 2011 Fairchild Semiconductor Corporation
FAB2210 • Rev. 1.1.1
32
www.fairchildsemi.com