Acoustic and electrical specifications

MP23AB01DH

4/12

DocID030017 Rev 2

2

Acoustic and electrical specifications

2.1

Acoustic and electrical characteristics

The values listed in the table below are specified for Vdd = 2.7 V, No Load, Tamb = 25 °C

unless otherwise specified.

Table 3: Acoustic and electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ. (1)

Max.

Unit

Vdd

Supply voltage

2.3

2.7

3.6

V

Idd

Current consumption

250

µA

So

Sensitivity

@1 kHz

(0 dB = 1 V/Pa)

-39

-38

-37

dBV

SNR

Signal-to-noise ratio

A-weighted

(20 Hz - 20 kHz)

65

dB(A)

PSR

Power supply rejection

100 mVpp

sine wave @217 Hz

-100

dB

AOP

Acoustic overload point

135

dBSPL

Zout

Output impedance

400

Ω

Cload

Load capacitance

150

pF

Rload

Load resistance

30

κΩ

Top

Operating temperature range

-40

+85

°C

Notes:

(1)Typical specifications are not guaranteed.

Table 4: Typical distortion specifications at 1 kHz sine wave input

Parameter

Test condition

Typ. value

THD+N

94 dBSPL

< 0.2%

110 dBSPL

< 0.5%

120 dBSPL

< 3%

130 dBSPL

< 5%