1.0
TA = +25°C
V+ = 5V
RL = 100k⍀
COMPRESSION RATIO = 1:1
NOISE GATE SETTING 550V rms
GAIN ADJUST (PIN 2) = 1.25k⍀
0.1
0.01
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
RROT PT RESISTOR – k⍀
Figure 9. Rotation Point vs. RROT PT (Pin 11 to V+)
5V
1s
100
90
10 TA = +25 C
0% COMPRESSION RATIO = 15:1
NOISE BW = 20kHz
Figure 10a. Wideband Output Noise
70
G = 60dB
60
50
G = 40dB
40
30
G = 20dB
20
10
ROTATION POINT = 1.13V rms
0 NOISE GATE SETTING = 336V rms
RCOMP = 40k⍀
–10 VIN = 400V rms
–20
1k
10k
100k
1M
FREQUENCY – Hz
Figure 10b. GBW Curves vs. VCA Gain
SSM2166
–10
RCOMP = 0
–20 RGAIN = 1.24k⍀
RGATE = 500k⍀
RROT = 1.74k⍀
–30
–40
V+ = 5±1V p-p
–50
V+ = 5±0.5V p-p
–60
–70
–80
20
100
1k
FREQUENCY – Hz
10k 30k
Figure 10c. PSRR vs. Frequency
20mV
100
90
TA = +25 C
CAVG = 2.2F
10
SYSTEM GAIN = 0dB
0%
RL = 10k⍀
COMP RATIO = 1:1
10s
Figure 11. Small Signal Transient Response
200mV
100
90
TA = +25 C
CAVG = 2.2F
10
SYSTEM GAIN = 0dB
0%
RL = 10k⍀
COMP RATIO = 1:1
10s
Figure 12. Large Signal Transient Response
REV. A
–5–