MULTIMODE DIGITAL BOTTOM PORT SISONIC MICROPHONE
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1 SPW0690LM4H-1 CAMERON MULTIMODE DIGITAL BOTTOM PORT The SPW0690LM4H-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 SPW0690LM4H-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 SPW0690LM4H-1 offers multiple performance modes. Charge Pump MEMS Transducer Regulator Buffer Control Σ ADC ABSOLUTE MAXIMUM RATINGS Parameter Absolute Maximum Rating Units Vdd SELECT CLK DATA GND PRODUCT FEATURES Low Distortion /High AOP 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 Omnidirectional Standard SMD Reflow LGA Package TYPICAL APPLICATIONS Portable Electronics Cellphones Laptop Computers Tablets Digital Still Cameras Portable Music Recorders SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
2 ACOUSTIC & ELECTRICAL SPECIFICATIONS 1 Parameter Symbol Conditions Min Typ Max Units 2 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
3 Parameter Symbol Conditions Min Typ Max Units Parameter Symbol Conditions Min Typ Max Units 3 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
4 Parameter Symbol Conditions Min Typ Max Units Parameter Symbol Conditions Min Typ Max Units 4 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
5 CLOCK DATA (SELECT = Vdd) Vih Vil DATA (SELECT = Ground) 1/Fclock Tedge Tedge Tdv Tdz Thold Voh Tdd High Z Mic (High) Data Vol Tdv Voh High Z Tdd Mic (Low) Data Vol Tdz Thold V dd V dd V dd MIC1 DATA SEL CLOCK GND MIC2 V dd DATA SEL CLOCK GND R term R term R term CODEC OR APPLICATION PROCESSOR V dd PDM Mic Interface CLOCK DATA GND Vhyst High Internal Logic Level Microphone SELECT Asserts DATA on Latch DATA on Low Vh-l Vl-h Ext CLOCK Input Normal Mode 1.1 MHz Fclock 4.8 MHz 1.65V Vdd 3.6V Powered Down Mode Vdd = 0V Sleep Mode Fclock < 250 khz 1.65V Vdd 3.6V Low-Power Mode 500 khz Fclock 900 khz 1.65V Vdd 3.6V 5 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
6 PERFORMANCE CURVES 6 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
7 7 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
8 MULTIMODE DIGITAL BOTTOM PORT MECHANICAL SPECIFICATIONS Item Dimension Example Land Pattern 8 Tolerance Pin # Pin Name Type Description Example Solder Stencil Pattern SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
9 PACKAGING & MARKING DETAIL Model Number Suffix Reel Diameter Quantity Per Reel Component Surface Resistance (ohms) 9 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
10 MULTIMODE DIGITAL BOTTOM PORT RECOMMENDED REFLOW PROFILE TP tp Ramp-up TL TSMAX TSMIN tl ts Preheat Ramp-down 25 C Time 25 C to Peak Profile Feature 10 Time Pb-Free SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
11 MATERIALS STATEMENT RELIABILITY SPECIFICATIONS Test Description 11 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
12 SPECIFICATION REVISIONS Revision Specification Changes Date 12 Knowles Corporation 1151 Maplewood Drive Itasca, Illinois Phone: 1 (630) Fax: 1 (630) sales@knowles.com Model/Reference Number: Datasheet SPW0690LM4H-1 Rev A Copyright 2018 Knowles
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