Acoustic and electrical specifications

MP45DT01

4/11

Doc ID 17801 Rev 1

2

Acoustic and electrical specifications

2.1

Acoustic and electrical characteristics

Characteristics @ Vdd = 1.8 V, Clock = 2.4 MHz, T = 25 °C unless otherwise noted.

Table 3.

Electrical characteristics

Symbo

l

Parameter

Test condition

Min.

1.

Typical specifications are not guaranteed.

Max.

Unit

Vdd

Supply voltage

1.64

1.8

3.6

V

Idd

Current consumption in

normal mode

No load on data line

0.65

mA

IddPdn

Current consumption in

2.

Input clock in static mode.

20

µA

Scc

Short circuit current

1

10

mA

AOP

Acoustic overload point

120

dBSP

L

So

Sensitivity

-26

dBFS

SNR

Signal to noise ratio

A-weighted @1 kHz,

1Pa

58

dB

PSR

Power supply rejection

guaranteed by

3.

Test signal: 217Hz square wave, 100 mVpp on Vdd pin.

-70

dBFS

Clock

4.

Duty cycle: min=40% max=60%.

1

2.4

3.25

MHz

TWK

5.

Time from the first clock edge to valid output data.

guaranteed by design

10

ms

Top

Operating temperature

range

-30

+85

°C

Table 4.

Distorsion specifications

Parameter

Test condition

Value

Distorsion

100 dBSPL (50Hz - 4kHz)

<1 % THD + N

Distorsion

115 dBSPL (1kHz)

<5 % THD + N

Obsolete

Product(s)

- Obsolete

Product(s)