SSM2000 Просмотр технического описания (PDF) - Analog Devices
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SSM2000 Datasheet PDF : 16 Pages
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Typical Performance Characteristics–SSM2000
10
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
MUTE = OFF (Pin 17)
1
RL = 100kΩ
BOTH CHANNELS
0.1
0.01
0.01
0.1
INPUT SIGNAL – Vrms
1
2
Figure 6. THD+N (%) vs. Input Signal
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–70
VTH = –2.0V
VTH = –1.2V
VTH = 0V
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = OFF (Pin 16)
MUTE = OFF (Pin 17)
RL = 100kΩ
0dBu = 0.775mVrms
–60
–50
–40
–30
–20
–10
0
INPUT SIGNAL – dBu
@ 1kHz
Figure 9. Output vs. Input Characteristics (With Different
Adaptive Threshold Voltage, Pin 17)
1
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
VIN = 300mVrms SINE WAVE (Pin 1, 2)
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
0.1
MUTE = OFF (Pin 17)
RL = 100kΩ
BOTH CHANNELS
0.01
0.001
20
100
1k
FREQUENCY – Hz
10k
30k
Figure 7. THD+N (%) vs. Frequency
10
0
–10
–20
–30
–40 TA = +25°C
–50 VS = ± 4.25V (Pin 5, 20)
VIN = 300mVrms SINE WAVE (Pin 1, 2)
–60 DEF THRESHOLD = 0V (Pin 14)
DEFEAT = OFF (Pin 16)
–70 MUTE = OFF (Pin 17)
–80 RL = 100kΩ
BOTH CHANNELS
–90
–1 –0.5
0
0.5
1
1.5
2
2.5
3
VCA CONTROL VOLTAGE (Pin 7) – V
Figure 10a. Channel Output vs. VCA Control Voltage (Pin 7)
6
4
2
0
–2
TA = +25°C
–4
VS = ± 4.25V (Pin 5, 20)
VIN = 300mVrms SINE WAVE (Pin 1, 2)
–6
DEF THRESHOLD = 0V (Pin 14)
DEFEAT = ON (Pin 16)
–8
MUTE = OFF (Pin 17)
RL = 100kΩ
–10
BOTH CHANNELS
–12
20
100
1k
10k
FREQUENCY – Hz
100k 200k
Figure 8. –3 dB Bandwidth
3.00
0.7
–1.6
40kHz
–3.9
20kHz
–6.2
–8.5
–10.8
TA = +25°C
VS = ± 4.25V (Pin 5, 20)
8kHz
–13.1 VIN = 300mVrms SINE WAVE (Pin 1, 2)
DEF THRESHOLD = 0V (Pin 14)
6kHz
–15.4
–17.7
DEFEAT = OFF (Pin 16)
MUTE = OFF (Pin 17)
RL = 100kΩ
–20.0
20
100
4kHz
100 – 2kHz MIN BW
1k
10k
FREQUENCY – Hz
50kHz
80k
Figure 10b. VFC Characteristics (Simulated Noise Level
90 mV rms with Different Frequency) Applied through a
3-Pole HP filter
REV. 0
–5–
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