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參數(shù)資料
| 型號(hào)： | SSM2404S |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Quad Audio Switch |
| 中文描述： | QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁(yè)數(shù)： | 8/8頁(yè) |
| 文件大?。?/td> | 318K |
| 代理商： | SSM2404S |
SSM2404
REV. B
–8–
C
P
T he circuit was tested with an SSM2131 high slew rate audio
amplifier and the results are shown in Figures 24 and 25. T his
configuration yields excellent T HD performance that is
primarily determined by the amplifier. Also, the headroom is
now +24 dBu (0 dBu = 0.775 V rms), which is due to the
amplifier’s output voltage swing. T hus, even though the
SSM2404 has a
±
12 V limitation on its supplies, it can be used
in systems with much higher voltage ranges. For example, the
double-pole double-throw switch from Figure 22 can be
reconfigured in the virtual ground mode to allow higher voltage
swings, as shown in Figure 26. T his application realizes the
excellent performance of Figures 24 and 25 while providing a
low cost switching solution.
+18V
–18V
SSM2131
SSM2404
SW1 A
SW1 B
+12V
–12V
1
3
1N914
R1
5k
R2
5k
AUDIO
OUT
AUDIO
IN
Figure 23. Virtual Ground Switching
Figure 24. Virtual Ground Switch THD+N vs. Frequency
(V
S
=
±
12 V, V
A
= 2 V rms, with 80 kHz Filter)
Figure 25. Virtual Ground Switch Headroom (V
S
=
±
12 V
for SSM2404; V
S
=
±
18 V for Op Amp, f = 1 kHz, with
80 kHz Filter)
L
INA
L
INB
SW2
SW1
SW2 CONTROL
SW3 CONTROL
DGND
SW1 CONTROL
SW4 CONTROL
R
INA
SW3
SW4
AGND
SSM2404
V–
SWA/SWB
V+
17
10
8
1
3
2
R
OUT
9
12
19
13
18
14
20
11
16
5
4
15
6
5k
L
OUT
SSM2131
SSM2131
5k
5k
5k
R
INB
5k
5k
Figure 26. Double-Pole, Double-Throw Stereo Switch
Using Virtual Ground Operation
OUT LINE DIME NSIONS
Dimensions shown in inches and (mm).
Mini-DIP (P Suffix)
0.280 (7.11)
0.240 (6.10)
1.060 (26.90)
0.925 (23.50)
0.022 (0.558)
0.014 (0.356)
0.100 (2.54)
BSC
0.210
MAX
0.200 (5.05)
0.125 (3.18)
0.060 (1.52)
0.015 (0.38)
0.150
MIN
0.070 (1.77)
0.045 (1.15)
PLANE
SEATING
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
0.325 (8.25)
0.300 (7.62)
PIN 1
10
1
11
20
SOIC (S Suffix)
0.0500 (1.27)
BSC
0.0192 (0.49)
0.0138 (0.35)
0.0118 (0.30)
0.0040 (0.10)
0.0500 (1.27)
0.0157 (0.40)
0.1043 (2.65)
0.0926 (2.35)
0.0125 (0.32)
0.0091 (0.23)
0.4193 (10.65)
0.3937 (10.00)
0.2992 (7.60)
0.2914 (7.40)
0.5118 (13.00)
0.4961 (12.60)
1
10
20
11
PIN 1
0
°
-
8
°
0.0291 (0.74)
0.0098 (0.25)
X
45
°
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SSM2404S-REEL | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 20-Pin SOIC W T/R |
| SSM2404SZ | 制造商:Analog Devices 功能描述:Multiplexer IC |
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| SSM24-10 | 制造商:SYSTEMSENSOR 制造商全稱:SYSTEMSENSOR 功能描述:Alarm Bells |
| SSM2412 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Audio Analog Switches |
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