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SPM0103ND3
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Amplified "Mini" SiSonicTM Microphone Specification
Knowles Acoustics
1151 Maplewood Drive Itasca, IL 60143
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 1 of 10
SPM0103ND3
1. DESCRIPTION AND APPLICATION
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1.1 Description Amplified "Mini" Surface Mount Silicon Microphone with standard RF Protection 1.2 Application Hand held telecommunication devices
2. PART MARKING
Identification Number Convention
S 4 Identification Number 1 5 2 6 3
S: Manufacturing Location "S" - Knowles Electronics Suzhou Suzhou, China "No Alpha Character" - Knowles Electronics Itasca Itasca, IL USA "E" - Engineering Samples
Pin 1
Digits 1 - 6: Job Identification Number
3. TEMPERATURE RANGE
3.1 Operating Temperature Range: -40C to +100C 3.2 Storage Temperature Range: -40C to +100C
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 2 of 10
SPM0103ND3
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4. ACOUSTIC & ELECTRICAL SPECIFICATIONS
Limits Symbol Condition Min. Nom. Max. Unit
Directivity Sensitivity Output impedance Current Consumption Signal to Noise Ratio Supply Voltage Typical Input Referred Noise Sensitivity Loss across Voltage Maximum Input Sound Level S ZOUT IDSS S/N Vs ENL
Omni-directional @ 1kHz (0dB=1V/Pa) @ 1kHz (0dB=1V/Pa) across 1.5 to 5.5 volts @ 1kHz (0dB=1V/Pa) -26 n/a 0.100 55 1.5 A-weighted Change in sensitivity over 5.5v to 1.5v n/a -22 n/a n/a 59 n/a 35 -18 100 0.350 n/a 5.5 n/a dB mA dB V
dBA SPL
No Change Across Voltage Range
dB
dB
At 100dB SPL, THD < 1% At 115dB SPL, THD = < 10%
5. FREQUENCY RESPONSE CURVE
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 3 of 10
SPM0103ND3
6. MECHANICAL SPECIFICATIONS
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Pin Output
Pin # 1 2 3 4 Function
Item Height
Dim. 1.50 4.72 3.76 0.84 1.32 1.88 0.08 <0.1 1.55
Tol. (+/-) +0.20 -0.10 0.10 0.10 0.15 0.25 0.25 grams mm mm
Units mm mm mm mm mm mm
Output Gain Control Ground Power Length Width Port Hole Short Edge to C.L. Port Long Edge to C.L. Port Weight Coplanarity Acoustic Seal I.D. (typical)
Note: (Tolerance +/-0.15mm unless otherwise specified)
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 4 of 10
SPM0103ND3
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7. RECOMMENDED CUSTOMER LAND PATTERN
8. RECOMMENDED SOLDER STENCIL PATTERN N/A
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 5 of 10
SPM0103ND3
9. RECOMMENDED INTERFACE CIRCUIT
V+
Term 4 = Vdd
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Vout
Term 1 = Output R1 = 22k
R2 = 2.4k Term 3 = Ground Term 2 = Gain Control
R3 (set by customer)
C1 (set by customer)
Desired Gain Unity Gain (0dB) 20dB Gain Adjustable Gain
Pin 2 Termination Method Tie Terminal 2 directly to Output (Terminal 1). Tie Terminal 2 through C1 (0.47uF) to Ground. Add R3 and C1. Use formulas provided to calculate settings, or contact Knowles for support.
Setting Gain Formulas: Gain of non-inverting Op-Amp is determined as: G=1+ {R1 / (R2 + R3)} Gain(dB) = 20 * log(G) High-pass-filter Corner Frequency: C.F. = 1 / {2*p*(R2 + R3) * C1}
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 6 of 10
SPM0103ND3
10. PACKAGING DETAIL
Pin 1 Location
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Model Number SPM0103ND3 SPM0103ND3
Suffix -2 -3
Reel Diameter 7" 13"
Quantity per Reel 1200 4500
Tape & Reel Leader Length Label
Available in 13" and 7" diameter. 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: C 7 of 10
SPM0103ND3
11. SOLDER REFLOW PROFILE
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260C 170-180C 230C
Pre-heat 120 sec.
Solder Melt 100 sec.
Stage Pre-heat Solder Melt Peak
Temperature Profile 170 ~ 180 C Above 230 C 260 C maximum
Time (maximum) 120 sec. 100 sec. 30 sec.
Notes: 1. Do not pull a vacuum over the port hole of the microphone. Pulling a vacuum over the port hole can damage the device. 2. 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. 3. Number of Reflow = recommend no more than 3 cycles.
12. ADDITIONAL NOTES
(A) (B) (C) (D) Packaging (reference SiSonic_Packaging_Spec.pdf) 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. Exposure: Devices should not be exposed to high humidity, high temperature environment. MSL (moisture sensitivity level) Class 2A. Out of bag: Maximum of 90 days out of ESD moisture sensitive bag, assuming maximum conditions of 30C/70% R.H. Revision: C 8 of 10
Knowles Acoustics, a division of Knowles Electronics, LLC.
SPM0103ND3
13. RELIABILITY SPECIFICATIONS
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Note: After test conditions are performed, the sensitivity of the microphone shall not deviate more than 3dB from its initial value.
Test Thermal Shock
Description 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) Microphone unit must operate within sensitivity specifications for 1,000 hours at 105C. (IEC 68-2-2 Test Ba)
High Temperature Storage Test Low Temperature Storage Test High Temperature Operating Test
Low Temperature Operating Test Humidity Test Vibration 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 20g (+20%, -0%). (MIL 883E, method 2007.2, A) Tested to 8kV direct contact discharge or 15kV air discharge as specified by IEC 10004-2, level 3 and level 4. 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.
Electrostatic Discharge
Reflow Mechanical Shock
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 9 of 10
SPM0103ND3
14. SPECIFICATION REVISIONS
Revision A B C Detailed Specification Changes Preliminary Specification Release Updated Response Curve Official Release. Update Sections 5, 6, 11, 12
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Date 01-06-2005 02-14-2005 03-18-2005
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: C 10 of 10

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