SPM0204UD5 ULTRASONIC ACOUSTIC SENSOR Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 1 of 9 SPM0204UD5 1. DESCRIPTION AND APPLICATION 1.1. Description Surface Mount Wide-Band Ultrasonic Acoustic Sensor 1.2. Applications Hand held telecommunication devices, Positioning Sensing, Pneumatic Flow Sensing 2. PART MARKING Tracking Number Convention S: 1-6: Manufacturing Location Job Identification Number S123456 3. TEMPERATURE RANGE 3.1. Operating Temperature Range: -40°C to +100°C 3.2. Storage Temperature Range: -40°C to +100°C Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 2 of 9 SPM0204UD5 4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS Symbol Condition Directivity Min. Limits Nom. Max. Unit Omni-directional Frequency Range f Sensitivity S @ 1kHz (0dB=1V/Pa) -51 Output impedance ZOUT @ 1kHz (0dB=1V/Pa) Current Consumption IDSS Signal to Noise Ratio S/N Supply Voltage Vs Typical Input Referred Noise Sensitivity Loss across Voltage Maximum Input Sound Level 10k 65k Hz -47 -43 dB n/a n/a 300 Ω across 1.5 to 3.6 volts 0.100 n/a 0.250 mA @ 1kHz (0dB=1V/Pa) 55 59 n/a dB 1.5 n/a 3.6 V n/a 35 n/a dBA SPL ENL A-weighted Change in sensitivity over 3.6v to No Change Across Voltage 1.5v Range At 100dB SPL, THD < 1% At 115dB SPL, THD = < 10% dB dB 5. FREQUENCY RESPONSE CURVE Knowles Acoustic MEMS Ultrasonic Sensor Frequency Response (Nominal Sensativity 0 = -47dBv/Pa) 30 20 Magnitude (dB) 10 0 -10 -20 -30 10,000 20,000 30,000 40,000 50,000 60,000 Frequency(Hz) Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 3 of 9 SPM0204UD5 6. MECHANICAL SPECIFICATIONS Acoustic Port Mesh Item Dim. Tol. (+/-) Units (H) Height 1.40 0.10 mm (L) Length 4.72 0.10 mm (W) Width 3.76 0.10 mm (AW) Width 2.95 - mm (AL) Length 3.12 - mm PIN Designation Pin # Function 1 Output 2 Ground 3 Ground 4 Power Acoustic Area Note: Weight 0.07 g Coplanarity <0.1 mm Special care must be used so that the Acoustic Port Mesh area is not touched or disturbed during application. (Tolerance +/-0.15mm unless otherwise specified) Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 4 of 9 SPM0204UD5 7. RECOMMENDED LAND PATTERN ! "# $% 8. RECOMMENDED INTERFACE CIRCUIT R + Term 4 Dotted Section Represents Ultrasonic Sensor • R Term. 1 • - • + Term. 3 Term. 2 Vref Knowles Acoustics, a division of Knowles Electronics, LLC External Gain (set by customer) = -R1/R2 Revision: PRELIMINARY Page 5 of 9 SPM0204UD5 9. PACKAGE DETAIL 0. // -#. // 8 . //9/. /4 132 . 4/65 //. /. 2 7 2 . ;49/. 2 &' (&)&' &* 4. 4/9/. /4 28 . //9/. : /. ;4 4. 28 =/. :/>?> @ACB. -#. 2< 12 . 4/ +' *, Model Number Suffix Reel Diameter Quantity per Reel SPM0204UD5 -2 7” 1,200 SPM0204UD5 -6 13” 4,800 Knowles Acoustics, a division of Knowles Electronics, LLC Leader Length 800mm or minimum of 100 empty pockets Label Label applied to external package and direct to reel. Per JEDEC. Empty Units No consecutive empty pockets; No more than 3 empty pockets per reel. (Does not include empty pockets for leader/follower) Revision: PRELIMINARY Page 6 of 9 SPM0204UD5 10. SOLDER REFLOW PROFILE 260°C 230°C 170–180°C Pre-heat Solder Melt 120 sec. 100 sec. Stage Temperature Profile Time (maximum) Pre-heat 170 ~ 180 C 120 sec. Solder Melt Above 230 C 100 sec. Peak 260 C maximum 30 sec. Notes: • • • Do not pull a vacuum over the port hole of the microphone. Pulling a vacuum over the port hole can damage the device. Do not board wash after the reflow process. Board washing and cleaning agents can damage the device. Do not expose to ultrasonic processing or cleaning. Number of Reflow = recommend no more than 3 cycles. 11. ADDITIONAL NOTES (A) Packaging (reference SiSonic_Packaging_Spec.pdf) (B) Shelf life: Twelve (12) months when devices are to be stored in factory supplied, unopened ESD moisture sensitive bag under maximum environmental conditions of 30ºC, 70% R.H. (C) Exposure: Devices should not be exposed to high humidity, high temperature environment. MSL (moisture sensitivity level) Class 2. (D) Out of bag: Maximum of 90 days out of ESD moisture sensitive bag, assuming maximum conditions of 30ºC/70% R.H. Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 7 of 9 SPM0204UD5 12. RELIABILITY SPECIFICATIONS Note: After test conditions are performed, the sensitivity of the microphone shall not deviate more than 3dB from its initial value. Test Description Thermal Shock Microphone unit must operate when exposed to air-to-air thermal shock 100 cycles, from –40ºC to +125ºC. (IEC 68-2-4), High Temperature Storage Test Microphone unit must maintain sensitivity after storage at +105ºC for 1,000 hours. (IEC 68-2-2 Test Ba) Low Temperature Storage Test Microphone unit must maintain sensitivity after storage at –40ºC for 1,000 hours. (IEC 68-2-1 Test Aa) High Temperature Operating Microphone unit must operate within sensitivity specifications for 1,000 hours at Test 105ºC. (IEC 68-2-2 Test Ba) Low Temperature Operating Test Microphone unit must operate within sensitivity specifications for 1,000 hours at – 40ºC. (IEC 68-2-1 Test Aa) Humidity Test Tested under Bias at 85ºC/85% R.H. for 1,000 hours. (JESD22-A101A-B) Vibration Test Microphone unit must operate under test condition: 4 cycles, from 20 to 2,000 Hz in each direction (x,y,z), 48 minutes, using peak acceleration of 20 G (+20%, -0%). (MIL 883E, method 2007.2, A) Electrostatic Discharge Tested to 8kV direct contact discharge to the case and tested to 2kV direct contact to I/O terminals. Reflow Microphone is tested to 5 passes through reflow oven, with microphone mounted upside-down under conditions of 260ºC for 30 seconds maximum. Mechanical Shock Microphone must operate after exposure to shock test of 10,000 G per IEC 68-2-27, Ea. Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 8 of 9 SPM0204UD5 13. SPECIFICATION REVISIONS Revision Detailed Specification Changes Date The information contained in this literature is based on our experience to date and is believed to be reliable and it is subject to change without notice. It is intended as a guide for use by persons having technical skill at their own discretion and risk. We do not guarantee favorable results or assume any liability in connection with its use. Dimensions contained herein are for reference purposes only. For specific dimensional requirements consult factory. This publication is not to be taken as a license to operate under, or recommendation to infringe any existing patents. This supersedes and voids all previous literature. Knowles Acoustics, a division of Knowles Electronics, LLC Revision: PRELIMINARY Page 9 of 9