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SSM2000 数据表(PDF) 6 Page - Analog Devices

部件名 SSM2000
功能描述  HUSH Stereo Noise Reduction System with Adaptive Threshold
PDF  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

SSM2000 数据表(HTML) 6 Page - Analog Devices

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FREQUENCY – Hz
20
30k
100
1k
10k
10
0
–90
–10
–20
–30
–40
–50
–60
–70
–80
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
VIN = 300mVrms SINE WAVE (Pin 1, 2)
VC = 0V
VC = 0.5V
VC = 1V
VC = 1.5V
VC = 2V
VC = 2.5V
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = OFF (Pin 16)
MUTE = OFF (Pin 17)
RL = 100kΩ
Figure 11. Channel Output vs. Frequency for Different
VCA Control Port Voltages
FREQUENCY – Hz
–40
–45
–70
20
20k
100
1k
10k
–50
–55
–60
–65
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
MUTE = OFF (Pin 17)
RL = 100kΩ
VIN = 300mVrms SINE WAVE (Pin 1 or 2)
UNSELECTED INPUT = 0V (Pin 1 or 2)
Figure 12. Channel Separation vs. Frequency
FREQUENCY – Hz
–50
–55
–100
20
30k
100
1k
10k
–60
–65
–70
–75
–80
–85
–90
–95
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
VIN = 300mVrms SINE WAVE (Pin 1, 2)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = OFF (Pin 16)
MUTE = ON (Pin 17)
BOTH CHANNELS
RL = 100kΩ
Figure 13. Muted Output Level vs. Frequency
FREQUENCY – Hz
–20
–30
–80
20
30k
100
1k
10k
–40
–50
–60
–70
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
MUTE = OFF (Pin 17)
NO DECOUPLING CAPACITOR ON V
+
V+ RIPPLE = 425mVp-p
Figure 14. PSRR+ vs. Frequency
FREQUENCY – Hz
–20
–30
–80
20
30k
100
1k
10k
–40
–50
–60
–70
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
MUTE = OFF (Pin 17)
V – RIPPLE = 425mVp-p
NO DECOUPLING CAPACITOR ON V
–
Figure 15. PSRR– vs. Frequency
SUPPLY VOLTAGE – V
14
4
420
6
8
10
1214
1618
13
10
8
6
5
12
11
9
7
TA = +25°C
Figure 16. Supply Current vs. Supply Voltage
SSM2000–Typical Performance Characteristics
–6–
REV. 0



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