SPM0406HE3H-SB TM Differential SiSonic Microphone With Enhanced RF Protection The SPM0406HE3H-SB is a miniature, high- Features: performance, low power, top port silicon  Differential Outputs microphone. Using Knowles’ proven high  Up to 20dB of Gain performance SiSonicTM MEMS technology,  Enhanced RF protection the SPM0406HE3H-SB consists of an  Operation to 5v acoustic sensor, a low noise input buffer,  Ultra-Stable Performance and an output differential amplifier. These  Standard SMD Reflow devices are suitable for applications such as  Omnidirectional 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. Revision: E 2/28/2013 Sheet 1 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 1. ABSOLUTE MAXIMUM RATINGS Parameter Absolute Maximum Rating Units V to Ground -0.5, +7.0 V DD OUT to Ground -0.3, V + 0.3 V DD Input Current to Any Pin ±5 mA Temperature Range -40 to +100 °C Stresses exceeding these “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation at these or any other conditions beyond those indicated under “Acoustic & Electrical Specifications” is not implied. Exposure beyond those indicated under “Acoustic & Electrical Specifications” for extended periods may affect device reliability. 2. ACOUSTIC & ELECTRICAL SPECIFICATIONS TEST CONDITIONS: 23 ±2°C, 55±20% R.H., V (min) < V < V (max), no load, Gain = 20dB, DD DD DD unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units Supply Voltage1 V 1.5 - 5.5 V DD Supply Current1,2 I - - 500 µA DD Sensitivity1,3 S 94 dB SPL @ 1 kHz -25 -22 -19 dBV/Pa Signal to Noise Ratio SNR 94 dB SPL @ 1 kHz, A-weighted - 59 - dB(A) Total Harmonic 94 dB SPL @ 1 kHz, THD - - 1 % Distortion S = Typ, R > 2 k load Acoustic Overload 10% THD @ 1 kHz, Gain = 0dB, AOP 1154 - - dB SPL Point S = Typ, V = 5.5V, R > 2 k DD load Output Impedance Z @ 1 kHz - - 500  OUT Directivity Omnidirectional Polarity Increasing sound pressure Decreasing output voltage 1 100% tested. 2 Maximum specifications are measured at maximum V . Typical specifications are measured at V = 1.8V. DD DD 3 Gain, Sensitivity, and Z are measured in differential mode. In single-ended mode, these are 6dB less (i.e., half). OUT 4 For gain = 20dB, AOP(min) = 95 dB SPL. Revision: E 2/28/2013 Sheet 2 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 3. FREQUENCY RESPONSE CURVE Typical Free Field Response Normalized to 1 kHz 20 18 16 14 12 10 8 ) 6 B 4 d ( y 2 t vi 0 ti -2 si n -4 e S -6 -8 -10 -12 -14 -16 -18 -20 100 1,000 10,000 Frequency (Hz) Revision: E 2/28/2013 Sheet 3 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 4. INTERFACE CIRCUIT V DD .1f V DD OUTPUT- Gain=-1 R = 2.44k S OUTPUT+ R = 9.8k F GROUND GAIN R (Set By User) 1 Dotted Section Represents SiSonicTM C1 (Set By User) Microphone Gain GAIN Pin Termination Unity Gain (0dB) Connect GAIN to OUTPUT Set R = 0Set C according to equation below: 1 1 Max Gain (20dB) Highpass corner frequency = Set R and C according to the equations below: 1 1 Adjustable Gain Gain(dB) = (0dB to 20dB) Highpass corner frequency = Note: Gain is measured differentially. Single-ended gain is 6dB less. Capacitors near the microphone should not contain Class 2 dielectrics. Detailed information on acoustic, mechanical, and system integration can be found in the latest SiSonicTM Design Guide application note. Revision: E 2/28/2013 Sheet 4 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 5. MECHANICAL SPECIFICATIONS Item Dimension Tolerance Length (L) 4.72 ±0.10 Width (W) 3.76 ±0.10 Height (H) 1.25 ±0.10 Acoustic Port (AP) Ø0.84 ±0.08 Pin # Pin Name Type Description 1 OUTPUT+ Signal Non-inverting Output Signal 2 OUTPUT- Signal Inverting Output Signal 3 GAIN Signal Connect resistor to set gain 4 GROUND Power Ground 5 GROUND Power Ground 6 V Power Power Supply DD Notes: Pick Area only extends to 0.25 mm of any edge or hole unless otherwise specified. Dimensions are in millimeters unless otherwise specified. Tolerance is ±0.15mm unless otherwise specified Revision: E 2/28/2013 Sheet 5 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 6. EXAMPLE LAND PATTERN 7. EXAMPLE SOLDER STENCIL PATTERN Notes: Dimensions are in millimeters unless otherwise specified. Further optimizations based on application should be performed. Revision: E 2/28/2013 Sheet 6 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 8. PACKAGING & MARKING DETAIL Model Number Suffix Reel Diameter Quantity Per Reel SPM0406HE3H-SB -6 13” 4,800 Pin 1 Alpha Character A: “S”: Knowles SiSonicTM Production “E”: Knowles Engineering Samples “P”: Knowles Prototype Samples “JIN NUMBER”: Unique Job Identification Number for product traceability Notes: Dimensions are in millimeters unless otherwise specified. Vacuum pickup only in the pick area indicated in Mechanical Specifications. Tape & reel per EIA-481. Labels applied directly to reel and external package. Shelf life: Twelve (12) months when devices are to be stored in factory supplied, unopened ESD moisture sensitive bag under maximum environmental conditions of 30°C, 70% R.H. Revision: E 2/28/2013 Sheet 7 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 9. RECOMMENDED REFLOW PROFILE t T P P Ramp-up T L e r atu T tL r SMAX e p m e t Preheat T S Ramp-down T SMIN 25°C Time Time 25°C to Peak Profile Feature Pb-Free Average Ramp-up rate (T to T ) 3°C/second max. SMAX P Preheat  Temperature Min (T ) 150°C SMIN  Temperature Max (T ) 200°C SMAX  Time (T to T ) (t ) 60-180 seconds SMIN SMAX S Time maintained above:  Temperature (T ) 217°C L  Time (t ) 60-150 seconds L Peak Temperature (T ) 260°C P Time within 5°C of actual Peak Temperature (t ) 20-40 seconds P Ramp-down rate (T to T ) 6°C/second max P SMAX Time 25°C to Peak Temperature 8 minutes max Notes: Based on IPC/JDEC J-STD-020 Revision C. All temperatures refer to topside of the package, measured on the package body surface. Revision: E 2/28/2013 Sheet 8 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 10. ADDITIONAL NOTES (A) MSL (moisture sensitivity level) Class 1. (B) Maximum of 3 reflow cycles is recommended. (C) In order to minimize device damage:  Do not board wash or clean after the reflow process.  Do not brush board with or without solvents after the reflow process.  Do not directly expose to ultrasonic processing, welding, or cleaning.  Do not insert any object in port hole of device at any time.  Do not apply over 30 psi of air pressure into the port hole.  Do not pull a vacuum over port hole of the microphone.  Do not apply a vacuum when repacking into sealed bags at a rate faster than 0.5 atm/sec. 11. MATERIALS STATEMENT Meets the requirements of the European RoHS directive 2011/65/EC as amended. Meets the requirements of the industry standard IEC 61249-2-21:2003 for halogenated substances and Knowles Green Materials Standards Policy section on Halogen-Free. Ozone depleting substances are not used in the product or the processes used to make the product, including compounds listed in Annex A, B, and C of the “Montreal Protocol on Substances That Deplete the Ozone Layer.” Revision: E 2/28/2013 Sheet 9 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 12. RELIABILITY SPECIFICATIONS Test Description 100 cycles air-to-air thermal shock from -40oC to +125oC with 15 Thermal Shock minute soaks. (IEC 68-2-4) High Temperature Storage 1,000 hours at +105oC environment (IEC 68-2-2 Test Ba) Low Temperature Storage 1,000 hours at -40oC environment (IEC 68-2-2 Test Aa) High Temperature Bias 1,000 hours at +105oC under bias (IEC 68-2-2 Test Ba) Low Temperature Bias 1,000 hours at -40oC under bias (IEC 68-2-2 Test Aa) Temperature / Humidity Bias 1,000 hours at +85oC/85% R.H. under bias. (JESD22-A101A-B) 4 cycles of 20 to 2,000 Hz sinusoidal sweep with 20 G peak Vibration acceleration lasting 12 minutes in X, Y, and Z directions. (Mil-Std-883E, method 2007.2 A) ESD-HBM 3 discharges of ±2 kV direct contact to I/O pins. (ESD STM5.2) 3 discharges of ±8 kV direct contact to lid while unit is grounded. ESD-LID/GND (IEC 61000-4-2) 3 discharges of ±2 kV direct contact to I/O pins. ESD-MM (MIL 883E, Method 3015.7) Reflow 5 reflow cycles with peak temperature of +260oC Mechanical Shock 3 pulses of 10,000 G in the X, Y, and Z direction (IEC 68-2-27, Test Ea) Note: After reliability tests are performed, the sensitivity of the microphones shall not deviate more than 3 dB from its initial value. Revision: E 2/28/2013 Sheet 10 of 11 ©2012 Knowles Electronics

SPM0406HE3H-SB 13. SPECIFICATION REVISIONS Revision Specification Changes Date C Update format 7/27/09 D Change R from 22k to 9.8k ohms 11/13/09 F New RoHS statement (C10114438); updated humidity conditions and ESD E 2/28/13 descriptions (C10114466); released in new format (C10114628) Information contained herein is subject to change without notice. It may be used by a party at their own discretion and risk. We do not guarantee any results or assume any liability in connection with its use. This publication is not to be taken as a license to operate under any existing patents. Revision: E 2/28/2013 Sheet 11 of 11 ©2012 Knowles Electronics