MP34DB01 STMicroelectronics, MP34DB01 Datasheet - Page 6

• Manufacturer Part Number: MP34DB01
• Description: MEMS MICROPHONE
• Manufacturer: STMicroelectronics
• Series: -r
• Type: MEMS (Silicon) - Digitalr

Specifications of MP34DB01

• Sensitivity: -26dB ±3dB
• Voltage - Rated: 1.8V
• Current: 650µA
• Size / Dimension: Rectangular - 4.00mm L x 3.00mm W x 1.00mm H
• S/n Ratio: 62dB
• Filter Type: -
• Impedance: -
• Frequency: 2.4MHz
• Termination: Solder Pads
• Direction: Omnidirectional
• Port Location: Bottom
• Lead Free Status / Rohs Status: Compliant

Acoustic and electrical specifications
2
2.1
Table 3.
1. Typical specifications are not guaranteed.
2. No load on DOUT line.
3. Input clock in static mode.
4. Duty cycle: min = 40% max = 60%
5. Time from the first clock edge to valid output data.
Table 4.
6/16
Symbol
IddPdn
Clock
TWK
AOP
SNR
PSR
Vdd
Scc
Top
Idd
So
Parameter
Supply voltage
Current consumption in
normal mode
Current consumption in
power-down mode
Short-circuit current
Acoustic overload point
Sensitivity
Signal-to-noise ratio
Power supply rejection
Input clock frequency
Wake-up time
Operating temperature range
Distortion
Distortion
Acoustic and electrical specifications
Acoustic and electrical characteristics
The values listed in the table below are specified for Vdd = 1.8 V, Clock = 2.4 MHz,
T = 25 °C, unless otherwise noted.
Acoustic and electrical characteristics
Distortion specifications
Parameter
(5)
(3)
(4)
100 dBSPL (50 Hz - 4 kHz)
115 dBSPL (1 kHz)
Test condition
at 1 kHz, 1 Pa
Mean value
A-weighted at 1 kHz, 1 Pa
guaranteed by design
Doc ID 17924 Rev 2
Test condition
(2)
Min.
1.64
-29
-30
1
1
< 1 % THD + N
< 5 % THD + N
Typ.
0.65
120
1.8
-26
-70
2.4
20
62
Value
(1)
Max.
3.25
+85
-23
3.6
10
10
MP34DB01
dBSPL
dBFS
dBFS
MHz
Unit
mA
mA
ms
µA
dB
°C
V