Datasheet SSM2166 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Complete Microphone Conditioner with Variable Compression & Noise Gating in 14-Lead SOIC package |
| Pages / Page | 13 / 2 — SSM2166. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/2016—Rev. E … |
| File Format / Size | PDF / 441 Kb |
| Document Language | English |
SSM2166. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/2016—Rev. E to Rev. F. 5/2008—Rev. B to Rev. C
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SSM2166 Data Sheet TABLE OF CONTENTS
Features .. 1 Typical Performance Characteristics ..6 Applications ... 1 Theory of Operation ...8 General Description ... 1 Applications Information ...8 Functional Block Diagram and Typical Speech Application .. 1 Signal Path ..8 Revision History ... 2 Level Detector ..9 Specifications ... 3 Control Circuitry .. 10 Absolute Maximum Ratings .. 4 Power-Down Feature ... 12 Thermal Resistance .. 4 PCB Layout Considerations .. 12 ESD Caution .. 4 Outline Dimensions ... 13 Pin Configuration and Function Descriptions ... 5 Ordering Guide .. 13
REVISION HISTORY 10/2016—Rev. E to Rev. F 5/2008—Rev. B to Rev. C
Changes to Signal Path Section .. 9 Updated Format .. Universal Changes to Compression Ratio Section .. 10 Changes to Features Section and General Description Section . ... .. 1 Changes to Downward Expansion Threshold Section .. 11 Changes to Table 1 ... 3 Changes to PCB Layout Considerations Section ... 12 Changes to Table 2 ... 4 Deleted Evaluation Board Section and Figure 26; Renumbered Deleted TPC 3; Renumbered Sequential y ... 4 Sequentially ... 13 Changes to Table 4, Pin 8 Description Column .. 5 Deleted Figure 27 to Figure 29, Evaluation Board Examples Changes to Figure 5, Figure 6, Figure 8, and Figure 9 .. 6 Section, and Table 5; Renumbered Sequentially ... 14 Change to Figure 11 .. 7 Deleted Figure 30, Evaluation Board Setup Procedure Section, Changes to Signal Path Section ... 9 Test Equipment Setup Section, and Figure 31 .. 15 Added Figure 19 ... 10 Deleted Setup Summary Section, Table 6, and Table 7 ... 16 Deleted Figure 14 and Figure 17... 12 Deleted Other Versions Section ... 13
10/2013—Rev. D to Rev. E
Changes to Figure 26 .. 13 Change to Compression Ratio Section .. 10 Changes to Figure 27 .. 14 Changes to Ordering Guide .. 17 Changes to Test Equipment Section .. 15 Added Table 6 ... 16
7/2008—Rev. C to Rev. D
Added Table 7 ... 16 Changes to Figure 4 through Figure 9 ... 6 Updated Outline Dimensions ... 17 Changes to Figure 11 and Figure 12 ... 7 Changes to Ordering Guide .. 17 Changes to Figure 19 .. 10 Changes to Figure 26 .. 13
3/2003—Rev. A to Rev. B
Added Top Branding Revision Reflecting Die Replacement Deleted PDIP Package ... Universal Table ... 17 Change to General Description ... 1 Changes to Thermal Characteristics ... 2 Changes to Ordering Guide ... 2 Deleted 14-Lead PDIP, Outline Dimensions .. 15 Updated 14-Lead Narrow-Body SOIC, Outline Dimensions ... 15 Rev. F | Page 2 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
SSM2166 Data Sheet TABLE OF CONTENTS
Features .. 1 Typical Performance Characteristics ..6 Applications ... 1 Theory of Operation ...8 General Description ... 1 Applications Information ...8 Functional Block Diagram and Typical Speech Application .. 1 Signal Path ..8 Revision History ... 2 Level Detector ..9 Specifications ... 3 Control Circuitry .. 10 Absolute Maximum Ratings .. 4 Power-Down Feature ... 12 Thermal Resistance .. 4 PCB Layout Considerations .. 12 ESD Caution .. 4 Outline Dimensions ... 13 Pin Configuration and Function Descriptions ... 5 Ordering Guide .. 13
REVISION HISTORY 10/2016—Rev. E to Rev. F 5/2008—Rev. B to Rev. C
Changes to Signal Path Section .. 9 Updated Format .. Universal Changes to Compression Ratio Section .. 10 Changes to Features Section and General Description Section . ... .. 1 Changes to Downward Expansion Threshold Section .. 11 Changes to Table 1 ... 3 Changes to PCB Layout Considerations Section ... 12 Changes to Table 2 ... 4 Deleted Evaluation Board Section and Figure 26; Renumbered Deleted TPC 3; Renumbered Sequential y ... 4 Sequentially ... 13 Changes to Table 4, Pin 8 Description Column .. 5 Deleted Figure 27 to Figure 29, Evaluation Board Examples Changes to Figure 5, Figure 6, Figure 8, and Figure 9 .. 6 Section, and Table 5; Renumbered Sequentially ... 14 Change to Figure 11 .. 7 Deleted Figure 30, Evaluation Board Setup Procedure Section, Changes to Signal Path Section ... 9 Test Equipment Setup Section, and Figure 31 .. 15 Added Figure 19 ... 10 Deleted Setup Summary Section, Table 6, and Table 7 ... 16 Deleted Figure 14 and Figure 17... 12 Deleted Other Versions Section ... 13
10/2013—Rev. D to Rev. E
Changes to Figure 26 .. 13 Change to Compression Ratio Section .. 10 Changes to Figure 27 .. 14 Changes to Ordering Guide .. 17 Changes to Test Equipment Section .. 15 Added Table 6 ... 16
7/2008—Rev. C to Rev. D
Added Table 7 ... 16 Changes to Figure 4 through Figure 9 ... 6 Updated Outline Dimensions ... 17 Changes to Figure 11 and Figure 12 ... 7 Changes to Ordering Guide .. 17 Changes to Figure 19 .. 10 Changes to Figure 26 .. 13
3/2003—Rev. A to Rev. B
Added Top Branding Revision Reflecting Die Replacement Deleted PDIP Package ... Universal Table ... 17 Change to General Description ... 1 Changes to Thermal Characteristics ... 2 Changes to Ordering Guide ... 2 Deleted 14-Lead PDIP, Outline Dimensions .. 15 Updated 14-Lead Narrow-Body SOIC, Outline Dimensions ... 15 Rev. F | Page 2 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