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ICS-40720 데이터시트(PDF) 3 Page - List of Unclassifed Manufacturers

부품명 ICS-40720
상세설명  Ultra?륧ow Noise Microphone with Differential Output
PDF  16 Pages
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제조업체  ETC2 [List of Unclassifed Manufacturers]
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ICS-40720 데이터시트(HTML) 3 Page - List of Unclassifed Manufacturers

  ICS-40720 Datasheet HTML 1Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 2Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 3Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 4Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 5Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 6Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 7Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 8Page - List of Unclassifed Manufacturers ICS-40720 Datasheet HTML 9Page - List of Unclassifed Manufacturers Next Button
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  ICS‐40720 
Page 3 of 16
 
Document Number: DS‐000045  
Revision: 1.3 
SPECIFICATIONS  
TABLE 1. ELECTRICAL CHARACTERISTICS 
TA = 25°C, VDD = 1.5 to 3.63 V, unless otherwise noted. Typical specifications are not guaranteed. 
 
PARAMETER 
CONDITIONS
MIN
TYP
MAX 
UNITS
NOTES
PERFORMANCE 
Directionality  
Omni  
 
Sensitivity  
1 kHz, 94 dB SPL, differential
−34
−32
−30 
dBV
1 kHz, 94 dB SPL, single‐ended
−40
−38
−36 
dBV
Signal‐to‐Noise Ratio (SNR) 
20 Hz to 20 kHz, A‐weighted, 
differential 
 
70  
dBA 
20 Hz to 20 kHz, A‐weighted, 
single‐ended 
 
70  
 
dBA 
Equivalent Input Noise (EIN) 
20 Hz to 20 kHz, A‐weighted
24
 
dBA SPL
Dynamic Range 
Derived from EIN and maximum 
acoustic input 
 
100  
dB 
Frequency Response 
Low frequency −3 dB point
75
 
Hz
1 
High frequency −3 dB point
>20
 
kHz
Total Harmonic Distortion (THD) 
105 dB SPL
0.6 
%
Power‐Supply Rejection (PSR) 
217 Hz, 100 mVp‐p square wave 
superimposed on VDD = 1.8 V,  
A‐weighted 
 −77  
dBV  
Power Supply Rejection Ratio (PSRR) 
1 kHz, 100 mV p‐p sine wave 
superimposed on VDD = 1.8 V 
 −45  
dB  
Acoustic Overload Point 
10% THD
124
 
dB SPL
POWER SUPPLY 
Supply Voltage (VDD)  
1.5
3.63 
V
Supply Current (IS)  
 
 
 
VDD = 1.8 V
285
350 
µA
 
VDD = 3.3 V
375 
µA
OUTPUT CHARACTERISTICS 
Output Impedance 
Differential
750
 Ω
 
 
Single‐Ended, OUTPUT+
340
 Ω
 
 
Single‐Ended, OUTPUT−
410
 Ω
 
Output DC Offset 
OUTPUT+
0.66
 
V
 
OUTPUT−
0.70
 
V
Maximum Output Voltage 
Differential, 124 dB SPL input
0.79
 
V  rms
 
 
Single‐Ended, 124 dB SPL input
0.40
 
V rms
 
Noise Floor 
20 Hz to 20 kHz, A‐weighted, rms
−102  
dBV
 
Note 1:  See Figure 3 and Figure 4. 



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