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參數(shù)資料
| 型號(hào)： | SPM0204UD5 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ULTRASONIC ACOUSTIC SENSOR |
| 中文描述： | 超聲聲學(xué)傳感器 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大小： | 624K |
| 代理商： | SPM0204UD5 |
SPM0204UD5
Knowles Acoustics,
a division of Knowles Electronics, LLC
Revision: PRELIMINARY
Page 3 of 9
4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS
Limits
Nom.
Symbol
Condition
Min.
Max.
Unit
Directivity
Omni-directional
Frequency Range
f
10k
65k
Hz
Sensitivity
S
@ 1kHz (0dB=1V/Pa)
-51
-47
-43
dB
Output impedance
ZOUT
@ 1kHz (0dB=1V/Pa)
n/a
n/a
300
Current Consumption
IDSS
across 1.5 to 3.6 volts
0.100
n/a
0.250
mA
Signal to Noise Ratio
S/N
@ 1kHz (0dB=1V/Pa)
55
59
n/a
dB
Supply Voltage
Vs
1.5
n/a
3.6
V
Typical Input Referred
Noise
Sensitivity Loss across
Voltage
Maximum Input Sound
Level
5. FREQUENCY RESPONSE CURVE
ENL
A-weighted
n/a
35
n/a
dBA SPL
Change in sensitivity over 3.6v to
1.5v
No Change Across Voltage
Range
dB
At 100dB SPL, THD < 1%
At 115dB SPL, THD = < 10%
dB
Knowles Acoustic MEMS Ultrasonic Sensor
Frequency Response
(Nominal Sensativity 0 = -47dBv/Pa)
-30
10,000
-20
-10
0
10
20
30
20,000
30,000
40,000
50,000
60,000
Frequency(Hz)
M
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPM0204UD5-2 | 制造商:Knowles Acoustics 功能描述:Bulk |
| SPM0205HD4H | 制造商:Knowles 功能描述:MICROPHONE ELEMENT, OMNI, Transducer Function:Microphone, Directivity:Omnidirect |
| SPM0206HE3 | 制造商:Knowles 功能描述:MICROPHONE MINI SISONIC AMPLIFIED 制造商:Knowles 功能描述:MICROPHONE, MINI SISONIC, AMPLIFIED |
| SPM0207HE3H | 制造商:Knowles 功能描述:MICROPHONE, Transducer Function:Microphone, Directivity:Omnidirectional, Supply |
| SPM0208HD5 | 制造商:Knowles 功能描述:MICROPHONE MINI SISONIC AMPLIFIED 制造商:Knowles 功能描述:MICROPHONE, MINI SISONIC, AMPLIFIED 制造商:Knowles 功能描述:MICROPHONE, MINI SISONIC, AMPLIFIED; IC Function:Microphone; Brief Features:Omni Directional; Supply Voltage Min:1.5V; Supply Voltage Max:3.6V; Operating Temperature Min:-40C; Operating Temperature Max:100C; Digital IC Case ;RoHS Compliant: Yes |
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