Acoustic and electrical specifications

MP34DT04

6/21

DocID027586 Rev 3

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.

Typ. (1)

Max.

Unit

Vdd

Supply voltage

1.6

1.8

3.6

V

Idd

Current consumption in normal

mode

Mean value

600

700

μA

IddPdn

Current consumption in power-

down mode (2)

10

µA

Scc

Short-circuit current

1

10

mA

AOP

Acoustic overload point

120

dBSPL

So

Sensitivity

-29

-26

-23

dBFS

SNR

Signal-to-noise ratio

A-weighted at 1 kHz,

94 dB SPL

64

dB (A)

PSR

Power supply rejection

100 mVpp sine 1 kHz

-70

dBFS

Input clock frequency (3)

1

2.4

3.25

MHz

Ton

Turn-on time (4)

Guaranteed by design

10

ms

Top

Operating temperature range

-40

+85

°C

Low-level logic input/output

voltage

-0.3

0.35xVdd

V

High-level logic input/output

voltage

0.65xVdd

Vdd+0.3

V

Capacitive load

100

pF

Notes:

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