PMM-3738-VM1000-R datasheet(2/7 Pages) PUIAUDIO

2 / 7 page

This document contains data proprietary to PUI Audio Inc. Any use or reproduction, in any form, without prior written permission of PUI

Audio Inc. is prohibited.

PUI Audio, Inc. A Projects Unlimited Company, 3541 Stop Eight Road, Dayton, OH 45414

Tel: (937) 415-5901 Fax: (937) 415-5925

Specifications

All specifications are at 25°C, VSupply = 1.8 V unless otherwise noted.

Parameter

Symbol Conditions

Min. Typ. Max. Units

Acoustic Specifications

Sensitivity

1 kHz, 94 dB SPL

-41

-38

-35

dBV

Signal-to-Noise

Ratio

SNR

94 dB SPL at 1 kHz signal, 20Hz to

20kHz, A-weighted Noise

dB(A)

Signal-to-Noise

Ratio Voice Band

SNR

94 dB SPL at 1 kHz signal, 20Hz to

8kHz, A-weighted Noise

dB(A)

Total Harmonic

Distortion

THD

94 dB SPL

0.1

Acoustic Overload

Point

AOP

10.0% THD

127

dBSPL

Roll Off Frequency

-3db at 1KHz

Directivity

Omni

Polarity

Increase in sound pressure

Increase in output voltage

Electrical Specifications

Supply Voltage

1.6

1.8

3.6

Supply Current

VSupply ≤ 3.6 V (TBR)

165

μA

Power Supply

Rejection Ratio

PSRR

VDD = 1.8, 1kHz, 200mVPP Sine

wave

Power Supply

Rejection

PSR

VDD = 1.8, 217Hz, 100mVPP square

wave, 20 Hz – 20kHz, A-weighted

-85

dB(A)

Output Impedance

ZOUT

400

Output DC Offset

0.8

Startup Time

100

μS

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