EVAL-ADMP404Z AD [Analog Devices], EVAL-ADMP404Z Datasheet - Page 3

• Manufacturer Part Number: EVAL-ADMP404Z
• Description: Omnidirectional Microphone with Bottom Port and Analog Output
• Manufacturer: AD [Analog Devices]

SPECIFICATIONS
T
guaranteed.
Table 1.
Parameter
PERFORMANCE
POWER SUPPLY
OUTPUT CHARACTERISTICS
1
2
Preliminary Technical Data
See Figure 4 and Figure 6.
Positive going (increasing) pressure on the membrane results in a positive going (increasing) output voltage.
A
Directionality
Sensitivity
Signal-to-Noise Ratio
Equivalent Input Noise
Frequency Response
Total Harmonic Distortion
Power Supply Rejection Ratio
Maximum Acoustic Input
Supply Voltage
Supply Current
Output impedance
Output DC Offset
Output Current Limit
Polarity
= 25°C, V
DD
= 1.8 V, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not
1
Symbol
SNR
EIN
THD
PSRR
V
I
Z
S
DD
OUT
Test Conditions/Comments
1 kHz, 94 dB SPL
Low frequency –3 dB point
High frequency –3 dB point
Deviation from flat response within pass band
105 dB SPL
217 Hz, 100 mV p-p square wave
superimposed on V
Peak
Rev. PrH | Page 3 of 12
DD
= 1.8 V
Min
−41
−3
1.5
Typ
Omni
−38
62
32
100
15
70
120
200
0.8
90
Noninverting
2
Max
−35
+2
3
3.6
250
ADMP404
Unit
dBV
dBA
dBA SPL
Hz
kHz
dB
%
dB
dB SPL
V
µA
Ω
V
µA