SSM2167Z-EVAL Analog Devices Inc, SSM2167Z-EVAL Datasheet
SSM2167Z-EVAL
Specifications of SSM2167Z-EVAL
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SSM2167Z-EVAL Summary of contents
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FEATURES Complete microphone conditioner in a 10-lead package Single 3 V operation Low shutdown current < 2 μA Adjustable noise gate threshold Adjustable compression ratio Automatic limiting feature prevents ADC overload Low noise and distortion: 0.2% THD + N 20 ...
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SSM2167 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Pin Configuration ............................................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution .................................................................................. 4 Typical Performance ...
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SPECIFICATIONS kHz 100 kΩ COMP Table 1. Parameter AUDIO SIGNAL PATH Voltage Noise Density Noise Total Harmonic Distortion + Noise Input Impedance Output Impedance Load Drive Input Voltage ...
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SSM2167 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage Input Voltage Operating Temperature Range Storage Temperature Range Junction Temperature Lead Temperature (Soldering, 10 sec) 883 (Human Body) Model Stresses above those listed under Absolute Maximum Ratings may cause permanent damage ...
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TYPICAL PERFORMANCE CHARACTERISTICS 100 T = 25° 100kΩ LOAD COMPRESSION RATIO 2:1 ROTATION POINT = 63mV rms 500 1000 1500 2000 R (Ω) GATE Figure 3. Noise Gate vs ...
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SSM2167 T = 25° 10µF SYS SYSTEM GAIN = 19dB R = 100kΩ LOAD COMPRESSION RATIO 1:1 TIME (10µs/DIV) Figure 9. Small Signal Transient Response T = 25° 10µF SYS SYSTEM GAIN = 8.6dB ...
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TIME (1s/DIV) Figure 13. RMS Level Detector Performance with C –6dBV –66dBV –85dBV = 22 μF Figure 14. RMS Level Detector Performance with C AVG Rev Page SSM2167 –6dBV –66dBV –85dBV TIME (500ms/DIV) = 2.2 ...
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SSM2167 APPLICATIONS INFORMATION The SSM2167 is a complete microphone signal conditioning system on a single integrated circuit. Designed primarily for voice-band applications, this integrated circuit provides ampli- fication, limiting, variable compression, and noise gate. User adjustable compression ratio, noise gate ...
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LEVEL DETECTOR The SSM2167 incorporates a full-wave rectifier and a true rms level detector circuit whose averaging time constant is set by an external capacitor (C ) connected to the AVG CAP (Pin 6). AVG For optimal low frequency operation ...
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SSM2167 SETTING THE NOISE GATE THRESHOLD (DOWNWARD EXPANSION) The noise gate threshold is a programmable point using an external resistor (R ) that is connected between Pin 7 (GATE THRS) GATE and V . The downward expansion threshold may be ...
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... OUTLINE DIMENSIONS IDENTIFIER ORDERING GUIDE 1 Model Temperature Range SSM2167-1RMZ-REEL −40°C to +85°C SSM2167-1RMZ-R7 −40°C to +85°C SSM2167Z-EVAL RoHS Compliant Part, # denotes RoHS compliant product may be top or bottom marked. 3.10 3.00 2.90 5. 3.10 4.90 3.00 4.65 1 2.90 5 PIN 1 0.50 BSC 0.95 15° ...
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SSM2167 NOTES ©2001–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D02628-0-2/11(F) Rev Page ...