參數(shù)資料
型號: STA575
廠商: 意法半導(dǎo)體
元件分類: 音頻放大器
英文描述: DISCONNECT SWITCH+HANDLE 600VAC 30A IEC
中文描述: 100 100W的立體聲BASH功放
文件頁數(shù): 12/20頁
文件大?。?/td> 278K
代理商: STA575
STA575
12/20
EXTERNAL COMPONENTS
(refer to fig. 6
)
Name
Note: Vcontrol is the voltage at Att_Rel pin.
Function
Value
Formula
Ri
R1 = R2
Input resistor
10K
(|G| = 5, Rr = 50K
)
Rr
R3 = R4
Feedback resistor
50K
(|G| = 5, Ri = 10K
Cac
C1 = C2
AC Decoupling capacitor
100nF
(fp = 16Hz,
Rac =100K
)
Cct
C3 = C4
Capacitor for the attack time
2.2
μ
F
(Tattack = 13mSec,
Vcontrol = 9V,
Ict = 1.5mA)
R5 = R6
Release constant time Resistor
470K
(
t
= 1 Sec. ,
Cct = 2.2
μ
F )
R7 = R8
Resistor for tracking input voltage
filter
10K
R9 = R10
Resistor for tracking input voltage
filter
56K
R11 = R12
Resistor for tracking input voltage
filter
10K
C5 = C6
Capacitor for Tracking input
voltage filter
1nF
C7 = C8
Dc decoupling capacitor
1
μ
F
R13
Bias Resistor for Stby/Mute
function
10K
R14
Stby/Mute constant time resistor
30K
R15
Mute resistor
30K
C9
Capacitor for Stby/Mute resistor
2.2
μ
F
R16 = R17
Sensing resistor for SOA detector
100m
5% 4W
R18
Conversion resistor for threshold
voltage
100K
C10 = C11
Power supply filter capacitor
100nF
R22 = R24
Centering resistor
400
,
1W
C12 = C13
Tracking rail power supply filter
680nF
R19
Protection
1K
R20
TRK_out
40K
C14 = C15
Power supply filter capacitor
470
μ
F
,
63V
C16 = C17
Feedback capacitor
100pF
D1
Schottky diode
SB360
R
i
-------
=
Rr
G
Rr
=
Cac
--------------------------------
=
Cct
attack
------------------------
=
Rct
---------
=
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