SPM0204UD5
SPM0204UD5 is ULTRASONIC ACOUSTIC SENSOR manufactured by Unknown Manufacturer.
DESCRIPTION
AND APPLICATION 1.1. Description
Surface Mount Wide-Band Ultrasonic Acoustic Sensor 1.2. Applications Hand held telemunication 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
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Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 2 of 9
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 @ 1k Hz (0d B=1V/Pa) @ 1k Hz (0d B=1V/Pa) across 1.5 to 3.6 volts @ 1k Hz (0d B=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 d B
Ω
Min.
Limits Nom.
Max.
Unit m A d B V d BA SPL d B d B
Change in sensitivity over 3.6v to No Change Across Voltage 1.5v Range At 100d B SPL, THD < 1% At 115d B SPL, THD = < 10%
5. FREQUENCY RESPONSE CURVE
Knowles Acoustic MEMS Ultrasonic Sensor Frequency Response (Nominal Sensativity 0 = -47d Bv/Pa)
10 M agnitude (d B)
-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
6. MECHANICAL SPECIFICATIONS
Acoustic Port Mesh
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