Datasheet

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