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SSM2166 Datasheet(PDF) 7 Page - Analog Devices

Part # SSM2166
Description  Microphone Preamplifier with Variable Compression and Noise Gating
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

SSM2166 Datasheet(HTML) 7 Page - Analog Devices

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Data Sheet
SSM2166
Rev. E | Page 7 of 20
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TA = 25°C
COMPRESSION RATIO = 15:1
NOISE BW = 20kHz
5µV
1s
100
90
10
0%
Figure 10. Wideband Peak-to-Peak Output Noise
80
60
40
20
0
–20
–40
1k
10k
100k
1M
FREQUENCY (Hz)
G = 60dB
G = 40dB
G = 20dB
ROTA
TION SET ≈ 1V rms
RCOMP = 30kΩ
NOISE GA
TE SETTING ≈ 550µV rms
VIN = 1mV rms
Figure 11. VCA Gain Bandwidth Curves vs. Frequency
–10
–20
–30
–40
–50
–60
–70
–80
20
100
1k
10k
30k
FREQUENCY (Hz)
V+ = 5V ± 1V p-p
V+ = 5V ± 0.5V p-p
RCOMP = 0Ω
RGAIN = 1.24kΩ
RGATE = 500kΩ
RROT PT = 1.74kΩ
Figure 12. PSRR vs. Frequency
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100
90
10
TA = 25°C
CAVG = 2.2µF
SYSTEM GAIN = 0dB
RL = 10kΩ
COMPRESSION RATIO = 1:1
20mV
10µs
0%
Figure 13. Small Signal Transient Response
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100
90
10
TA = 25°C
CAVG = 2.2µF
SYSTEM GAIN = 0dB
RL = 10kΩ
COMPRESSION RATIO = 1:1
200mV
10µs
0%
Figure 14. Large Signal Transient Response



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