Performance evaluation of an active headrest using the remote microphone technique
ANALOG BOTTOM PORT SISONIC™ MICROPHONE - Knowles
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Transcript of ANALOG BOTTOM PORT SISONIC™ MICROPHONE - Knowles
SPV08A0LR5H-1 TOCHI
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
The SPV08A0LR5H-1 is a miniature, high-performance, low power, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPV08A0LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.
ABSOLUTE MAXIMUM RATINGS
Parameter Absolute Maximum Rating Units
MEMS Transducer Buffer
Charge Pump Vdd
OUT
GND
Regulator
PRODUCT FEATURES
• Matched Sensitivity • Small Package Size • Flat Frequency Response • Low Current • RF Shielded • Bottom Port • Ultra-Stable Performance • Omnidirectional • Standard SMD Reflow • LGA Package
TYPICAL APPLICATIONS
• Headsets • Portable electronics • Cellphones • Laptop Computers • Tablets • Portable Music Recorders
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
2 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
ACOUSTIC & ELECTRICAL SPECIFICATIONS1
Parameter Symbol Conditions Min Typ Max Units
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
3 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
PERFORMANCE CURVES
Vdd
GND
Analog Mic Interface
CODEC OR APPLICATION PROCESSOR
Vdd
+
-
MIC
OUT
GND
Vdd
Rout
Vdd
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
4 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
5 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
MECHANICAL SPECIFICATIONS
Pin # Pin Name Type Description
Example Land Pattern Example Solder Stencil Pattern
Item Dimension Tolerance
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
6 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
PACKAGING & MARKING DETAIL
Model Number Suffix Reel Diameter Quantity Per Reel Component Surface Resistance (ohms)
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
7 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
RECOMMENDED REFLOW PROFILE
Profile Feature Pb-Free
Time 25°C to Peak
Ramp-down
Ramp-up
TSMIN
TSMAX
TL
TP
tL
tP
tS Preheat
Time 25°C
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPV08A0LR5H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
8 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
MATERIALS STATEMENT
RELIABILITY SPECIFICATIONS
Test Description
ANALOG BOTTOM PORT SISONIC™ MICROPHONE
9
Knowles Corporation 1151 Maplewood Drive Itasca, Illinois 60143
Phone: 1 (630) 250-5100 Fax: 1 (630) 250-0575 [email protected]
Model/Reference Number: Datasheet SPV08A0LR5H-1 Rev A © Copyright 2018 Knowles
SPECIFICATION REVISIONS
Revision Specification Changes Date