參數(shù)資料
型號(hào)： 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(yè)數(shù)： 11/33頁(yè)
文件大?。?/td> 948K
代理商： FAB2200UCX
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAB2200 Rev. 1.0.1
19
FAB2200
—
Audio
Subsystem
with
St
ereo
Class-G
Headph
on
eAmplifier
Figure 22. AGC Flow Chart
Is the
present gain setting
below the starting
gain?
Has enough
time (decay speed)
passedsince thelast
gain change?
Is the
output amplitude
above the AGC
threshold?
Can
gain be lowered
by astepwhile staying
above minimum
gain?
Has enough
time (attack speed)
passedsince thelast
gain change?
Set starting gain
I2Cregisters
and reset the timers.
Start
Increase gain by
1 step and reset
the timers.
yes
Reduce gain by
1 step and reset
timers.
no
相關(guān)PDF資料
PDF描述
FAN3850AUC19X SPECIALTY CONSUMER CIRCUIT, PBGA6
FAN4040DIS3-3.3 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 3.3 V, PDSO3
FAN4040CIS3-2.5 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
FAN4040AIS3-3.3 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 3.3 V, PDSO3
FAN4040CIS3-3.3 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 3.3 V, PDSO3
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