Acoustic and electrical specifications

MP34DB01

6/15

Doc ID 17924 Rev 5

2

Acoustic and electrical specifications

2.1

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.

Table 3.

Acoustic and electrical characteristics

Symbol

Parameter

Test condition

Min.

Max.

Unit

Vdd

Supply voltage

1.64

1.8

3.6

V

Idd

Current consumption in

normal mode

0.65

mA

IddPdn

Current consumption in

20

µA

Scc

Short-circuit current

1

10

mA

AOP

Acoustic overload point

120

dBSPL

So

Sensitivity

at 1 kHz, 1 Pa

-29

-26

-23

dBFS

SNR

Signal-to-noise ratio

A-weighted at 1 kHz, 1 Pa

62.6

dB

PSR

Power supply rejection

-70

dBFS

Clock

1

2.4

3.25

MHz

TWK

guaranteed by design

10

ms

Top

Operating temperature range

-30

+85

°C

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.

Distortion specifications

Parameter

Test condition

Value

Distortion

100 dBSPL (50 Hz - 4 kHz)

< 1 % THD + N

Distortion

115 dBSPL (1 kHz)

< 5 % THD + N