Microphone

ROSM-1542-C3310-R

J.D.

B.R.

R.W.

2/13/2008

-

Designed by

Checked by

Approved by

Drawn Date

1 / 1

Edition

Sheet

Date

2/12/2008

Date

2/13/2008

Date

2/13/2008

UNLESS OTHERWISE

SPECIFIED:

DIMENSIONS ARE IN

MILLIMETERS,

TOLERANCES

ARE ±0.5 AND

ANGLES ARE ±3°.

ROSM-1542-C3310-R.idw

A3

SIZE

POWER

POWER

GND

GND

OUTPUT

MEMS MIC

INTERFACING CIRCUIT

(NOTE: CUSTOMER DEFINED)

C

RIN

REVISION HISTORY

LTR

DESCRIPTION

DATE

APPROVED

-

RELEASED FROM ENGINEERING

2/12/2008

SPECIFICATIONS

PARAMETERS

VALUES

UNITS

DIRECTIVITY

OMNI

-

SENSITIVTY

-42 ± 3

dB

STANDARD OPERATING VOLTAGE

2.1

Vdc

MAX OPERATING VOLTAGE

3.6

Vdc

CURRENT CONSUMPTION (MAX)

200

µA

IMPEDANCE (MAX)

100

Ohm

SIGNAL TO NOISE RATIO (MIN.)

55

dBA

INTERNAL CAPACITOR

33 & 10

pF

FREQUENCY RANGE

100 ~ 7,000

Hz

OPERATING TEMPERATURE

-40 ~ +100

°C

STORAGE TEMPERATURE

-40 ~ +100

°C

THIS DOCUMENT CONTAINS DATA PROPRIETARY TO

PROJECTS UNLIMITED, INC. ANY USE OR

REPRODUCTION, IN ANY FORM, WITHOUT PRIOR

WRITTEN PERMISSION OF PROJECTS UNLIMITED,

INC. IS PROHIBITED.

©2003, Projects Unlimited Inc.

NOTES:

1. ALL DIMENSIONS ARE IN MILLIMETERS.

2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL

WITHOUT NOTICE.

3. THIS PART IS RoHS 2002/95/EC COMPLIANT.

4. MAXIMUM OF 120dB INPUT SPL (FOR LESS THAN 0.5% DISTORTION).

5. OUTPUT SIGNAL @ 94dB SPL, 1KHz (-45dB/5.65mV,-40dB/10.04mV).

6. 1dB SENSITIVITY VARIATION OVER OPERATING RANGE (1.5-3.6V).

4.5

4.5

4.3

3

1.35

0.3

1.2

1.5

1

2.9

2.4

4.3

POWER

GROUND

OUTPUT

1.5

0.05

0.05