參數(shù)資料
型號(hào)： STA530
廠商： 意法半導(dǎo)體
元件分類： 音頻放大器
英文描述： 4 X 50W STEREO BASH POWER AMPLIFIER
中文描述： 4 × 50瓦立體聲BASH功放
文件頁(yè)數(shù)： 11/17頁(yè)
文件大?。?/td> 278K
代理商： STA530
11/17
STA530
EXTERNAL COMPONENTS
Figure 7. BASH module SAM261 6.1 with 2 x STA530
(see Application Note AN1643)
Power - On-Off sequences:
In order to avoid damages to the SAM261 board it is important to follow these sequences:
At
Power-On
apply in the first the
Auxiliary Power Supply (±24V)
and after the
Main Power Supply
(+50V)
, in this condition the system is in "Mute state" and it can move in "play state" with the switch present
on the pcb.
At
Power-Off
is better to bring the SAM module in "Mute state" and after that to follow this order: switch-
off the
Main Supply Voltage (+50V)
and subsequently the
Auxiliary Power Supply. (±24V)
.
Name
Function
Value
Formula
R1 = R2 =R7 = R8
Resistor for tracking input voltage
filter
Resistor for tracking input voltage
filter
AC Decoupling capacitor
10K
R5 = R6 =R3 = R4
Cac
C1 = C2 = C3 = C4
56K
100nF
(fp = 16Hz,
Rac =100K
)
10K
1nF
R9=R10=R11=R12
Resistor for tracking input voltage filter
C5 = C6 = C7 = C8 Capacitor for Tracking input
voltage filter
C9=C10=C11=C12 Dc decoupling capacitor
R17
Bias Resistor for Stby/Mute function
R18
Stby/Mute constant time resistor
R19
Mute resistor
C19
Capacitor for Stby/Mute resistor
C17 = C18
Power supply filter capacitor
R13 = R14
Centering resistor
C13 = C14
Tracking rail power supply filter
R15
TRK_out
R16
Protection
C15 = C16
Power supply filter capacitor
D1
Schottky diode
1
μ
F
10K
30K
30K
2.2
μ
F
100nF
330
,
1W
680nF
40K
1K
470
μ
F
,
63V
SB360
Cac
--------------------------------
=
4 x 50Watts
2 x 50Watts
Regulator
+50VDC
8 Ohm Loads
4 Ohm Load
AudioInputs
Controller
(CD+ & CD-)
+/-24V DC / 50
mA
mA
Signal Power Supply
mA
mA
Lines of Controls
BASH fi module SAM261 6.1
STA530
STA530
1 x 100Watts
Buck
STABP01
Dynamic Power Supply
Signal Power Supply
+/-24V DC / 50
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