Datasheet SSM2166 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | Complete Microphone Conditioner with Variable Compression & Noise Gating in 14-Lead SOIC package |
| Páginas / Página | 13 / 3 — Data Sheet. SSM2166. SPECIFICATIONS. Table 1. Parameter. Symbol. Test … |
| Formato / tamaño de archivo | PDF / 441 Kb |
| Idioma del documento | Inglés |
Data Sheet. SSM2166. SPECIFICATIONS. Table 1. Parameter. Symbol. Test Conditions/Comments. Min Typ. Max Unit
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Data Sheet SSM2166 SPECIFICATIONS
V+ = 5 V, f = 1 kHz, RL = 100 kΩ, RGATE = 600 kΩ, RROT PT = 3 kΩ, RCOMP = 0 Ω, R1 = 0 Ω, R2 = ∞ Ω, TA = 25°C, unless otherwise noted; VIN = 300 mV rms.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
AUDIO SIGNAL PATH Voltage Noise Density en 15:1 Compression 17 nV/√Hz Noise 20 kHz bandwidth, VIN = GND −109 dBu1 Total Harmonic Distortion and Noise THD + N Second and third harmonics, VIN = −20 dBu, 0.25 0.5 % 22 kHz low-pass filter Input Impedance ZIN 180 kΩ Output Impedance ZOUT 75 Ω Load Drive Resistive 5 kΩ Capacitive 2 nF Buffer Input Voltage Range 1% THD 1 V rms Output Voltage Range 1% THD 1 V rms VCA Input Voltage Range 1% THD 1 V rms Output Voltage Range 1% THD 1.4 V rms Gain Bandwidth Product 1:1 compression, VCA gain = 60 dB 30 MHz CONTROL SECTION VCA Dynamic Gain Range 60 dB VCA Fixed Gain Range −60 to +19 dB Compression Ratio, Minimum 1:1 Compression Ratio, Maximum See Figure 19 for RCOMP/RROT PT, rotation 15:1 point = 100 mV rms Control Feedthrough 15:1 compression, rotation point = −10 dBu, ±5 mV R2 = 1.5 kΩ POWER SUPPLY Supply Voltage Range V+ 4.5 5.5 V Supply Current ISY 7.5 10 mA Quiescent Output Voltage Level 2.2 V Power Supply Rejection Ratio PSRR 50 dB POWER DOWN Supply Current Pin 12 = V+2 10 100 µA 1 0 dBu = 0.775 V rms. 2 Normal operation for Pin 12 is 0 V. Rev. F | Page 3 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
Data Sheet SSM2166 SPECIFICATIONS
V+ = 5 V, f = 1 kHz, RL = 100 kΩ, RGATE = 600 kΩ, RROT PT = 3 kΩ, RCOMP = 0 Ω, R1 = 0 Ω, R2 = ∞ Ω, TA = 25°C, unless otherwise noted; VIN = 300 mV rms.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
AUDIO SIGNAL PATH Voltage Noise Density en 15:1 Compression 17 nV/√Hz Noise 20 kHz bandwidth, VIN = GND −109 dBu1 Total Harmonic Distortion and Noise THD + N Second and third harmonics, VIN = −20 dBu, 0.25 0.5 % 22 kHz low-pass filter Input Impedance ZIN 180 kΩ Output Impedance ZOUT 75 Ω Load Drive Resistive 5 kΩ Capacitive 2 nF Buffer Input Voltage Range 1% THD 1 V rms Output Voltage Range 1% THD 1 V rms VCA Input Voltage Range 1% THD 1 V rms Output Voltage Range 1% THD 1.4 V rms Gain Bandwidth Product 1:1 compression, VCA gain = 60 dB 30 MHz CONTROL SECTION VCA Dynamic Gain Range 60 dB VCA Fixed Gain Range −60 to +19 dB Compression Ratio, Minimum 1:1 Compression Ratio, Maximum See Figure 19 for RCOMP/RROT PT, rotation 15:1 point = 100 mV rms Control Feedthrough 15:1 compression, rotation point = −10 dBu, ±5 mV R2 = 1.5 kΩ POWER SUPPLY Supply Voltage Range V+ 4.5 5.5 V Supply Current ISY 7.5 10 mA Quiescent Output Voltage Level 2.2 V Power Supply Rejection Ratio PSRR 50 dB POWER DOWN Supply Current Pin 12 = V+2 10 100 µA 1 0 dBu = 0.775 V rms. 2 Normal operation for Pin 12 is 0 V. Rev. F | Page 3 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