FAB2210 Datasheet, PDF (26/35 Pages) Fairchild Semiconductor – Audio Subsystem with Class-G Headphone and 3.3W Mono Class-D Speaker with Dynamic Range Compression

ADDR B7
B6
B5
0x85
DIFA
DIFB
0
Default
0
0
0
B4
B3
B2
B1
B0
0
HP_SVOFF
HP_HIZ
SP_SVOFF
SP_HIZ
0
0
1
0
0
DIFA
1=INA1 and INA2 are configured as a differential pair.
0=INA1 and INA2 are configured as separate single-ended inputs.
DIFB
1=INB1 and INB2 are configured as a differential pair.
0=INB1 and INB2 are configured as separate single-ended inputs.
HP_SVOFF
1=Headphone volume ramping is off.
0=Headphone volume ramping is on.
HP_HIZ
1=Headphone amplifier output impedance is 12.5kΩ when amplifier is off and SRST=0.
0=Headphone amplifier output is shorted to DGND when amplifier is off and SRST=0.
SP_SVOFF
1=Speaker volume ramping is off.
0=Speaker volume ramping is on.
SP_HIZ
1=Speaker amplifier output is high impedance when amplifier is off and SRST=0.
0=Speaker amplifier output is connected to SGND with an internal 2KΩ resistor when amplifier is off and SRST=0.
© 2011 Fairchild Semiconductor Corporation
FAB2210 • Rev. 1.1.1
26
www.fairchildsemi.com