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参数资料
| 型号： | FAB2200UCX |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封装： | 0.40 MM PITCH, WLCSP-25 |
| 文件页数： | 21/33页 |
| 文件大小： | 948K |
| 代理商： | FAB2200UCX |
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2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2200 Rev. 1.0.1
28
FAB2200
—
Audio
Subsystem
with
St
ereo
Class-G
Headph
on
eAmplifier
Address
B7
B6
B5
B4
B3
B2
B1
B0
0x08
ERC
0
SPRAMPSPEED
SPZCD
SPRAMP
default
0
ERC
1 = Speaker amplifier edge-rate control is enabled.
0 = Speaker amplifier edge-rate control is disabled.
SPRAMPSPEED
SPRAMPSPEED sets timing for the speaker amplifier’s ramp function according to Table 17.
SPZCD
1 = Speaker amplifier zero-crossing detection is enabled.
0 = Speaker amplifier zero-crossing detection is disabled.
SPRAMP
1 = Speaker amplifier gain ramping is enabled.
0 = Speaker amplifier gain ramping is disabled.
Address
B7
B6
B5
B4
B3
B2
B1
B0
0x09
SPNGZRA
SPNGTHRESH
SPNGZRR
SPNGTIME
default
0
SPNGZRA
1 = The speaker noise gate attack function obeys speaker zero-crossing detection and ramp settings.
0 = The speaker noise gate attack (mute) function occurs immediately rather than waiting for zero-crossing detection
or ramping.
SPNGTHRESH
SPNGTHRESH sets the threshold voltage for the speaker amplifier’s noise gate function according to Table 14.
SPNGZRR
1 = The speaker noise gate release (un-mute) function obeys speaker zero-crossing detection and ramp settings.
0 = The speaker noise gate release (un-mute) function occurs immediately rather than waiting for zero-crossing
detection or ramping.
SPNGTIME
SPNGTIME sets the timing for the speaker amplifier’s noise gate function according to Table 15.
Address
B7
B6
B5
B4
B3
B2
B1
B0
0x0A
THMAX
THVBATT
default
0
THMAX
THMAX sets the maximum threshold voltage for the speaker amplifier’s AGC according to Table 9.
THVBATT
THVBATT sets the clipping level relative to VBATT for the speaker amplifier’s AGC according to Table 10.
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