EVAL-ADMP441Z-FLEX AD [Analog Devices], EVAL-ADMP441Z-FLEX Datasheet - Page 3

• Manufacturer Part Number: EVAL-ADMP441Z-FLEX
• Description: Omnidirectional Microphone with Bottom Port and I2S Digital Output
• Manufacturer: AD [Analog Devices]

Data Sheet
SPECIFICATIONS
T
specifications are guaranteed. Typical specifications are not guaranteed.
Table 1.
Parameter
PERFORMANCE
POWER SUPPLY
DIGITAL FILTER
1
2
The peak-to-peak amplitude is relative to peak-to-peak amplitude of 2
relative to 1 Pa.
See Figure 6 and Figure 8.
A
Directionality
Sensitivity at 94 dB SPL
Signal-to-Noise Ratio
Equivalent Input Noise
Dynamic Range
Frequency Response
Total Harmonic Distortion
Power Supply Rejection
Maximum Acoustic Input
Noise Floor
Supply Voltage
Supply Current
Group Delay
Pass-Band Ripple
Stop-Band Attenuation
Pass Band
= 25°C, V
V
V
DD
DD
Normal Mode
Standby
Power-Down
Normal Mode
Standby
Power-Down
= 1.8 V
= 3.3 V
DD
= 2.4 V, SCK = 3.072 MHz, SPL = 104 dB (3.16 Pa rms), unless otherwise noted. All minimum and maximum
2
1
Symbol
SNR
EIN
THD
PSR
V
I
DD
DD
Test Conditions/Comments
1 kHz, 104 dB SPL
20 kHz bandwidth, A-weighted
20 kHz bandwidth, A-weighted
Derived from EIN and maximum acoustic input
Low frequency –3 dB point
High frequency –3 dB point
Deviation limits from flat response within pass band
104 dB SPL
217 Hz, 100 mV p-p square wave superimposed on V
Peak
20 Hz to 20 kHz, A-weighted, rms
f
f
0.423 × f
S
S
= 48 kHz
= 16 kHz
S
24
− 1. The stimulus is a 104 dB SPL sinusoid having rms amplitude of 3.1623 Pa. Sensitivity is
Rev. B | Page 3 of 16
DD
Min
−29
1.8
Typ
Omni
−26
61
33
87
60
15
−3/+2
−75
120
−87
1.4
2.2
17.25/f
359
1078
60
20.3
S
Max
−23
3
3.3
1.6
0.8
2
2.5
0.8
4.5
±0.04
ADMP441
Unit
dBFS
dBA
dBA SPL
dB
Hz
kHz
dB
%
dBFS
dB SPL
dBFS
V
mA
mA
µA
mA
mA
µA
sec
µs
µs
dB
dB
kHz