Datasheet

Data Sheet SSM2167
Rev. G | Page 5 of 12
TYPICAL PERFORMANCE CHARACTERISTICS
100
10
1
0 500 1000 1500 2000 2500 3000 3500
NOISE GATE (mV rms)
R
GATE
(Ω)
T
A
= 25°C
V+ = 3V
R
LOAD
= 100kΩ
COMPRESSION RATIO 2:1
ROTATION POINT = 63mV rms
02628-003
Figure 3. Noise Gate vs. R
GATE
1
0.1
0.01
20 100 1k 10k 30k
THD + N (%)
FREQUENCY (Hz)
T
A
= 25°C
V+ = 3V
V
IN
= 24.5mV rms
COMPRESSION RATIO 1:1
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-004
Figure 4. THD + N vs. Frequency
35
30
25
20
15
10
5
0
–5
–10
–15
1k 10k 100k 1M 10M
GAIN (dB)
FREQUENCY (Hz)
V
IN
= 2mV rms
R
COMP
= 175kΩ
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-005
Figure 5. GBW Curves vs. VCA Gain
1
0.1
0.01
0.01 0.1 1
THD + N (%)
INPUT VOLTAGE (V rms)
T
A
= 25°C
V+ = 3V
V
IN
FREQUENCY = 1kHz
R
LOAD
= 100kΩ
COMPRESSION RATIO 1:1
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-006
Figure 6. THD + N vs. Input Voltage
0
–80
–70
–60
–50
–40
–30
–20
–10
–80 –70 –60 –50 –40 –30 –20 –10
OUTPUT (dBV)
INPUT (dBV)
COMPRESSION RATIO 10:1
COMPRESSION RATIO 5:1
COMPRESSION RATIO 2:1
COMPRESSION RATIO 1:1
T
A
= 25°C
V+ = 3V
R
LOAD
= 100kΩ
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-007
Figure 7. Output vs. Input Characteristics
–10
–80
–70
–60
–50
–40
–30
–20
10 100 1k 10k 100k
PSRR (dB)
FREQUENCY (Hz)
V+ = 3V + 0.1
R
GATE
= 5kΩ
R
COMP
= 0Ω
02628-008
Figure 8. PSRR vs. Frequency