Datasheet SSM2166 (Analog Devices) - 6

SSM2166 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 0 5 COMP RATIO = 15:1 T COMP RATIO = 10:1 A = 25°C V+ = 5V –10 COMP RATIO = 5:1 COMPRESSION RATIO = 1:1 NOISE GATE SETTING ≈ 550µV rms –20 ROTATION SET ≈ 1V rms COMP RATIO = 2:1 GAIN ADJUST = 1.25kΩ ) –30 1 ) V Bu COMP RATIO = 1:1 IN FREQUENCY = 1kHz d % ( R –40 N ( L = 10kΩ UT P UT HD + R –50 T L = 100kΩ O TA = 25°C V+ = 5V –60 VIN = 300mV rms @ 1kHz RL = 100kΩ 0.1 –70 NOISE GATE SETTING ≈ 550µV rms ROTATION SET ≈ 300mV rms GAIN ADJUST = 1.25kΩ –80 0.05 –80 –70 –60 –50 –40 –30 –20 –10 0
04 07 0
0.01 0.1 1
0 7- 7-
INPUT (dBu)
35 035
INPUT VOLTAGE (V rms)
0 00 Figure 4. Output vs. Input Characteristics Figure 7. THD + N (%) vs. Input (V rms)
100 10 TA = 25°C TA = 25°C V+ = 5V V+ = 5V RL = 100kΩ VIN = 77.5mV rms @ 1kHz COMPRESSION RATIO = 2:1 COMPRESSION RATIO = 1:1 ROTATION SET ≈ 700mV rms NOISE GATE SETTING ≈ 550µV rms s) 10 GAIN ADJUST = 1.56kΩ 1 ROTATION SET ≈ 1V rms rm V ) GAIN ADJUST = 156kΩ m % MEASUREMENT FILTER BW: 20Hz TO 20kHz E ( T N ( A D + H T ISE G 1 O 0.1 N 0.1
5
0.01 0 50 100 150 200 250 300 350 400 450 500 550 600 650
00 08 7-
10 100 1k 10k 30k
07-
R
35
GATE (kΩ)
35 00
FREQUENCY (Hz)
00 Figure 5. Noise Gate vs. RGATE (Pin 9 to V+) Figure 8. THD + N (%) vs. Frequency (Hz)
20 1 18 16 s) 14 m r V B) ( d 12 T N ( IN AI 10 O 0.1 P TA = 25°C N 8 CA G V V+ = 5V TIO V 6 IN = 77.5mV rms @ 1kHz TA R O L = 100kΩ R 4 NOISE GATE SETTING ≈ 550µV rms ROTATION SET ≈ 1V rms 2 COMPRESSION RATIO = 1:1 0 0.01 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
06 09 0
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
0 7- 7-
GAIN ADJUST RESISTOR (kΩ)
35
R
35 00
ROT PT RESISTOR (kΩ)
00 Figure 6. VCA Gain vs. RGAIN (Pin 2 to GND) Figure 9. Rotation Point vs. RROT PT (Pin 11 to V+) Rev. F | Page 6 of 13 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM AND TYPICAL SPEECH APPLICATION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION SIGNAL PATH LEVEL DETECTOR CONTROL CIRCUITRY Compression Ratio Rotation Point VCA Gain Setting and Muting Downward Expansion Threshold POWER-DOWN FEATURE PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE