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): 5/20頁
文件大小: 278K
代理商: STA575
5/20
STA575
ELECTRICAL CHARACTERISTCS
(Test Condition: Vs+ = 28V, Vs- = -23V, V
CD+
= 20V, V
CD-
= -20V, R
L
=
8
, external components at the nominal value f = 1KHz, Tamb = 25°C unless otherwise specified
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
PREAMPLIFIER AND COMPRESSOR
V
out clamp
Maximum Voltage at Out_pre pin
9
11
13
Vpeak
I
in
Audio input current
0.8
mA
V
control
Voltage at Attack_Release pin
Attenuation = 0dB
Attenuation = 6dB
Attenuation = 26dB
0.35
6
0
0.5
9
0.65
12
V
V
V
VC
omp_
Th
Input voltage range for the
compression
-5
-1
V
Z
th
Input impedance of Threshold pin
100
K
Voffset
Output Offset at Out_pre pin with:
V
CRT
= 0V; Attenuation = 0dB
V
CRT
= 0.5V; Attenuation = 6dB
V
CRT
= 9V;
Attenuation = 26dB
-15
-250
-1000
15
250
450
mV
mV
mV
THD
Distortion at Out_pre:
V
CRT
= 0V; Attenuation = 0dB
V
CRT
= 0.5V; Attenuation = 6dB
V
CRT
= 9V;
Attenuation = 26dB
0.01
0.1
0.5
2
%
%
%
EN
Noise at Out_pre pin :
V
CRT
= 0V; Attenuation = 0dB
V
CRT
= 0.5V; Attenuation = 6dB
V
CRT
= 9V;
Attenuation = 26dB
10
(2)
50
60
μ
V
μ
V
μ
V
I
ct
Attack time current at pin
Attack_release
0.5
1.5
3
mA
1. This value is due to the thermal noise of the external resistors R
r
and R
i
.
TRACKING PARAMETERS
G
trk
Tracking reference voltage gain
13
14
15
V
V
trk_out
Tracking ref. output voltage
0
20
V
I
trk_out
Current capability
5
6
7
mA
Z
trk_in
Input impedance (T
RK1/2
)
1
M
OUTPUT BRIDGE
G
out
Half Output bridge gain
5.5
6
6.5
dB
G
ch
Output bridge differential gain
11
12
13
dB
G
ch
Output bridges gain mismatch
-0.5
0.5
dB
P
out
Continuous Output Power
THD = 0.5%
THD = 10%
75
95
80
100
W
W
THD = 10%; R
L
= 4
; V
CD+
= 16V;
V
CD-
= -16V; V
S+
= 22V; V
S-
= -22V
90
100
W
THD
Total harmonic distortion of the
output bridge
Po = 5W
0.01
0.1
%
f = 20Hz to 20KHz; Po = 50W
0.2
%
V
Off
Output bridge D.C. offset
-70
70
mV
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