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SPM0204UD5

SPM0204UD5 DataSheet List of Unclassifed Manufacturers ULTRASONIC ACOUSTIC SENSOR

ULTRASONIC ACOUSTIC SENSOR

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SPM0204UD5

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 to +100 C C 3.2. Storage Temperature Range: -40 to +100 C C
Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 2 of 9
SPM0204UD5
4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS
Symbol Directivity Frequency Range Sensitivity Output impedance Current Consumption Signal to Noise Ratio Supply Voltage Typical Input Referred Noise Sensitivity Loss across Voltage Maximum Input Sound Level f S ZOUT IDSS S/N Vs ENL A-weighted @ 1kHz (0dB=1V/Pa) @ 1kHz (0dB=1V/Pa) across 1.5 to 3.6 volts @ 1kHz (0dB=1V/Pa) Condition Omni-directional 10k -51 n/a 0.100 55 1.5 n/a -47 n/a n/a 59 n/a 35 65k -43 300 0.250 n/a 3.6 n/a Hz dB

Min.
Limits Nom.
Max.
Unit
mA dB V dBA SPL dB dB
Change in sensitivity over 3.6v to No Change Across Voltage 1.5v Range At 100dB SPL, THD < 1% At 115dB SPL, THD = < 10%
5. FREQUENCY RESPONSE CURVE
Knowles Acoustic MEMS Ultrasonic Sensor Frequency Response (Nominal Sensativity 0 = -47dBv/Pa)
30
20
10 M agnitude (dB)
0
-10
-20
-30 10,000
20,000
30,000
40,000 Frequency(Hz)
50,000
60,000
Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 3 of 9
SPM0204UD5
6. MECHANICAL SPECIFICATIONS
Acoustic Port Mesh
 (c)  |     $! 
Item (H) Height (L) Length (W) Width Acoustic Area (AW) Width (AL) Length Weight Coplanarity
Dim. 1.40 4.72 3.76
Tol. (+/-) 0.10 0.10 0.10
Units mm mm mm
PIN Designation Pin # Function 1 Output 2 Ground 3 Ground 4 Power
2.95 3.12 0.07 <0.1
g mm
mm mm
Note:
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
 | 
|  
  
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SPM0204UD5
7. RECOMMENDED LAND PATTERN
1)% '% 0 0( &
8. RECOMMENDED INTERFACE CIRCUIT
Dotted Section Represents Ultrasonic Sensor
+ Term 4
*
R
* *
Term. 3 Term. 2
Term. 1
Vref
Knowles Acoustics, a division of Knowles Electronics, LLC
152 ( 0 04 & 0176 &'% 0
0 02& 3'% (
R
+
External Gain (set by customer) = -R1/R2
Revision: PRELIMINARY Page 5 of 9
SPM0204UD5
9. PACKAGE DETAIL
G G U F F SG P P G T FR QI GF G 5E GF G H
Model Number SPM0204UD5 SPM0204UD5
Suffix -2 -6
Reel Diameter 7" 13"
Quantity per Reel 1,200 4,800
Leader Length Label
800mm or minimum of 100 empty pockets Label applied to external package and direct to reel. Per JEDEC. No consecutive empty pockets; No more than 3 empty pockets per reel. (Does not include empty pockets for leader/follower)
Empty Units
Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 6 of 9
B8 9@ 8 8A8 9
FG R P W FY P D9 B C VF P R F P 5E
GP  FR 1I
Ff $ged
bGG cbX F$a
RFG G G W FG V RF Y G R FGWG F G R R X  FG VP FGWG
SPM0204UD5
10. SOLDER REFLOW PROFILE
260 C 170-180 C 230 C
Pre-heat 120 sec.
Solder Melt 100 sec.
Stage Pre-heat Solder Melt Peak Notes:
*
Temperature Profile 170 ~ 180 C Above 230 C 260 C maximum
Time (maximum) 120 sec. 100 sec. 30 sec.
*
*
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.) (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 30C, 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 30C/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 High Temperature Storage Test Low Temperature Storage Test
Microphone unit must operate when exposed to air-to-air thermal shock 100 cycles, from -40C to +125C. (IEC 68-2-4), Microphone unit must maintain sensitivity after storage at +105C for 1,000 hours. (IEC 68-2-2 Test Ba) Microphone unit must maintain sensitivity after storage at -40C 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 105C. (IEC 68-2-2 Test Ba) Low Temperature Operating Test Humidity Test Microphone unit must operate within sensitivity specifications for 1,000 hours at - 40C. (IEC 68-2-1 Test Aa) Tested under Bias at 85C/85% R.H. for 1,000 hours. (JESD22-A101A-B) 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) Tested to 8kV direct contact discharge to the case and tested to 2kV direct contact to I/O terminals. Microphone is tested to 5 passes through reflow oven, with microphone mounted upside-down under conditions of 260C for 30 seconds maximum. Microphone must operate after exposure to shock test of 10,000 G per IEC 68-2-27, Ea.
Vibration Test
Electrostatic Discharge
Reflow
Mechanical Shock
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