SPM0204UD5 Knowles Acoustics, SPM0204UD5 Datasheet - Page 3

SENSOR, ULTRASONACOUSTMEMS-4, 204

SPM0204UD5

Manufacturer Part Number
SPM0204UD5
Description
SENSOR, ULTRASONACOUSTMEMS-4, 204
Manufacturer
Knowles Acoustics
Datasheet

Specifications of SPM0204UD5

Brief Features
Omni Directional, 10kHz To 65kHz
Supply Voltage Range
1.5V To 3.6V
Operating Temperature Range
-40°C To +100°C
Digital Ic Case Style
SMD
No. Of Pins
4
Svhc
No SVHC (15-Dec-2010)
Ic Function
Ultrasonic Acoustic Sensor
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS
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
5. FREQUENCY RESPONSE CURVE
-10
-20
-30
30
20
10
10,000
0
20,000
Symbol
ZOUT
a division of Knowles Electronics, LLC
IDSS
ENL
S/N
Vs
S
f
Knowles Acoustic MEMS Ultrasonic Sensor
Knowles Acoustics,
Change in sensitivity over 3.6v to
(Nominal Sensativity 0 = -47dBv/Pa)
30,000
across 1.5 to 3.6 volts
@ 1kHz (0dB=1V/Pa)
@ 1kHz (0dB=1V/Pa)
@ 1kHz (0dB=1V/Pa)
Omni-directional
Frequency Response
A-weighted
Condition
1.5v
Frequency(Hz)
At 115dB SPL, THD = < 10%
At 100dB SPL, THD < 1%
40,000
No Change Across Voltage
0.100
Min.
10k
-51
n/a
1.5
n/a
55
50,000
Limits
Range
Nom.
-47
n/a
n/a
n/a
59
35
Revision: PRELIMINARY
SPM0204UD5
0.250
Max.
65k
300
-43
n/a
3.6
n/a
60,000
Page 3 of 9
dBA SPL
Unit
mA
Hz
dB
dB
dB
dB
V

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