Ssm2166, Rev. a –4, Figure 3. output vs. input characteristics – Analog Devices SSM2166 User Manual
Page 4: Figure 4. noise gate vs. r, Pin 9 to v+), Figure 5. compression ratio vs. r, Pin 10 to gnd), Figure 6. vca gain vs. r, Pin 2 to gnd), Figure 7. thd+n (%) vs. input (v rms)