SPECIFICATIONS
TABLE 1. ELECTRICAL CHARACTERISTICS
(T
A
= −40 to 85°C, V
DD
= 1.8 to 3.3 V, CLK = 2.4 MHz, C
LOAD
= 30 pF, unless otherwise noted. All minimum and
maximum specifications are guaranteed across temperature, voltage, and clock frequency specified in Table 1, Table
2, Table 3, unless otherwise noted. Typical specifications are not guaranteed.)
Signal-to-Noise Ratio (SNR)
20 Hz to 20 kHz, A-weighted
Equivalent Input Noise (EIN)
20 Hz to 20 kHz, A-weighted
Dynamic Range
Derived from EIN and
maximum acoustic input
87 dB
Frequency Response
Low frequency −3 dB point
2
High frequency −3 dB point
Total Harmonic Distortion (THD)
Power-Supply Rejection (PSR)
wave superimposed on V
DD
=
−75 dBFS
Noise Floor
20 Hz to 20 kHz, A-weighted,
RMS
−87 dBFS
V
DD
= 1.8 V
Normal Mode
1.4 1.6 mA
Standby 0.8 mA
Power Down 2 µA
V
DD
= 3.3 V
Group Delay
17.2/fS sec
f
S
= 48 kHz 359
f
S
= 16 kHz 1078
Stop-Band Attenuation 60 dB
Pass Band 0.423 × f
20.3 kHz
Note 1: The peak-to-peak amplitude relative to peak-to-peak amplitude of (2
24
− 1.) The stimulus is a 104 dB SPL sinusoid having RMS amplitude
of 3.1623 Pa. Sensitivity is relative to 1 Pa.
Note 2: See Figure 4 and Figure 5.
Page 4 of 21
Document Number: DS-INMP441-00
Revision: 1.1