ICS-40180
SPECIFICATIONS
TABLE 1. ELECTRICAL CHARACTERISTICS
TA = 25°C, VDD = 1.5 to 3.63 V, unless otherwise noted. Typical specifications are not guaranteed.
PARAMETER
PERFORMANCE
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Directionality
Omni
Output Polarity
Non-Inverted
Sensitivity
Signal-to-Noise Ratio (SNR)
Equivalent Input Noise (EIN)
1 kHz, 94 dB SPL
−39
−38
65
29
−37
dBV
dBA
dBA SPL
20 Hz to 20 kHz, A-weighted
20 Hz to 20 kHz, A-weighted
Derived from EIN and maximum
acoustic input
Dynamic Range
95
dB
Low frequency −3 dB point
High frequency −3 dB point
105 dB SPL
217 Hz, 100 mVp-p square wave
superimposed on VDD = 1.8 V
1 kHz, 100 mVp-p sine wave
superimposed on VDD = 1.8 V
10% THD
60
>20
0.3
Hz
kHz
%
Frequency Response
1
Total Harmonic Distortion (THD)
Power-Supply Rejection (PSR)
1
−78
dBV
Power Supply Rejection Ratio (PSRR)
−46
dB
Acoustic Overload Point
124
dB SPL
POWER SUPPLY
Supply Voltage (VDD
)
1.5
3.63
240
260
V
µA
µA
VDD = 1.8 V
VDD = 3.3 V
190
210
Supply Current (IS)
OUTPUT CHARACTERISTICS
Output Impedance
350
0.7
Ω
V
Output DC Offset
Maximum Output Voltage
Noise Floor
124 dB SPL input
0.398
−103
V rms
dBV
20 Hz to 20 kHz, A-weighted,
rms
Note 1: See Figure 3 and Figure 4.
Page 3 of 14
Document Number: DS-000021
Revision: 1.2
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