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參數(shù)資料
| 型號： | FAB2200UCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封裝： | 0.40 MM PITCH, WLCSP-25 |
| 文件頁數(shù)： | 19/33頁 |
| 文件大?。?/td> | 948K |
| 代理商： | FAB2200UCX |
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2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2200 Rev. 1.0.1
26
FAB2200
—
Audio
Subsystem
with
St
ereo
Class-G
Headph
on
eAmplifier
Address
B7
B6
B5
B4
B3
B2
B1
B0
0x02
DIFFIN43
DIFFIN21
PGAIN43
PGAIN21
default
0
DIFFIN43
1 = IN4 and IN3 are configured as a differential pair.
0 = IN4 and IN3 are independent.
DIFFIN21
1 = IN2 and IN1 are configured as a differential pair.
0 = IN2 and IN1 are independent.
PGAIN43
PGAIN43 sets the pre-amplifier gain for IN4 and IN3.
PGAIN21
PGAIN21 sets the pre-amplifier gain for IN2 and IN1.
PGAINxx [2:0]
Pre-Amplifier Gain (dB)
PGAINxx [2:0]
Pre-Amplifier Gain (dB)
000
0
100
12
001
3
101
15
010
6
110
18
011
9
111
21
Address
B7
B6
B5
B4
B3
B2
B1
B0
0x03
SELSPA4 SELSPA3 SELSPA2 SELSPA1
HPRAMPSPEED
HPZCD
HPRAMP
default
0
0x04
SELHPL4 SELHPL3 SELHPL2 SELHPL1
SELHPR4
SELHPR3
SELHPR2
SELHPR1
default
0
SELSPAx
1 = Channel INx is added to the speaker amplifier’s input.
0 = Channel INx is disconnected from the speaker amplifier’s input.
If all four SELSPAx bits are 0, the speaker amplifier is turned off and the SPKRP and SPKRN outputs stop switching.
SELHPLx
1 = Channel INx is added to the left headphone amplifier’s input.
0 = Channel INx is disconnected from left headphone amplifier’s input.
If all four SELHPLx bits are 0, the left headphone amplifier is turned off.
SELHPRx
1 = Channel INx is added to the right headphone amplifier’s input.
0 = Channel INx is disconnected from right headphone amplifier’s input.
If all four SELHPRx bits are 0, the right headphone amplifier is turned off.
HPRAMPSPEED
HPRAMPSPEED sets timing for the headphone amplifiers’ ramp function according to Table 4.
HPZCD
1 = Headphone amplifier zero-crossing detection is enabled.
0 = Headphone amplifier zero-crossing detection is disabled.
HPRAMP
1 = Headphone amplifier volume ramping is enabled.
0
= Headphone amplifier volume ramping is disabled.
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