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SPH0641LM4H-1 Dataheets PDF



Part Number SPH0641LM4H-1
Manufacturers Knowles
Logo Knowles
Description MULTIMODE DIGITAL BOTTOM PORT SISONIC MICROPHONE
Datasheet SPH0641LM4H-1 DatasheetSPH0641LM4H-1 Datasheet (PDF)

SPH0641LM4H-1 MORELLO MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE The SPH0641LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPH0641LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still camer.

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SPH0641LM4H-1 MORELLO MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE The SPH0641LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPH0641LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. 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. In addition, the SPH0641LM4H-1 offers multiple performance modes. Charge Pump Regulator MEMS Transducer Buffer Control Σ∆ ADC Vdd SELECT CLK DATA GND ABSOLUTE MAXIMUM RATINGS Parameter Absolute Maximum Rating Units PRODUCT FEATURES • High SNR • Low Current Consumption in Low- Power Mode • Flat Frequency Response • High Drive Capability • RF Shielded • Bottom Port • Sensitivity Matching • Supports Dual Multiplexed Channels • Multiple Performance Modes (Sleep, Low-Power, Normal) • Ultra-Stable Performance • Standard SMD Reflow • Omnidirectional • Small Size • LGA Package TYPICAL APPLICATIONS • Portable Electronics • Cellphones • Laptop Computers • Tablets • Digital Still Cameras • Portable Music Recorders knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE ACOUSTIC & ELECTRICAL SPECIFICATIONS1 Parameter Symbol Conditions Min Typ Max Units knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 2 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE Parameter Symbol Conditions Min Typ Max Units Parameter Symbol Conditions Min Typ Max Units knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 3 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE Parameter Symbol Conditions Min Typ Max Units Parameter Symbol Conditions Min Typ Max Units knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 4 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE CLOCK Vih Vil 1/Fclock Tedge Tedge DATA (SELECT = Vdd) DATA (SELECT = Ground) Tdv Tdd Voh Mic (High) Data Vol Tdz Thold High Z Tdv High Z Tdd Voh Mic (Low) Data Vol Tdz Thold High Internal Logic Level Vhyst Low Vh-l Vl-h Ext CLOCK Input Normal Mode 1.0 MHz ≤ Fclock ≤ 4.8 MHz 1.6V ≤ Vdd ≤ 3.6V Vdd MIC1 Vdd Rterm CODEC OR APPLICATION PROCESSOR SEL DATA CLOCK Vdd GND Rterm PDM Mic Interface CLOCK Vdd MIC2 DATA Vdd SEL DATA CLOCK Rterm GND GND Microphone SELECT Asserts DATA on Latch DATA on Sleep Mode Fclock < 280 kHz 1.6V ≤ Vdd ≤ 3.6V Powered Down Mode Vdd = 0V Low-Power Mode 351 kHz ≤ Fclock ≤ 815 kHz 1.6V ≤ Vdd ≤ 3.6V knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 5 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE PERFORMANCE CURVES knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 6 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 7 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE MECHANICAL SPECIFICATIONS Item Dimension Tolerance Pin # Pin Name Type Description Example Land Pattern Example Solder Stencil Pattern knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 8 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE PACKAGING & MARKING DETAIL Model Number Suffix Reel Diameter Quantity Per Reel Component Surface Resistance (ohms) knowles.com | DATASHEET SPH0641LM4H-1 Rev D © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved. 9 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC. MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE RECOMMENDED REFLOW PROFILE TP TL TSMAX TSMIN Ramp-up tP tS Preheat tL Ramp-down 25°C Time 25°C to Peak .


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