Datenblatt-pdf.com


WM7331E Schematic ( PDF Datasheet ) - Cirrus Logic

Teilenummer WM7331E
Beschreibung Bottom Port Analog Silicon Microphone
Hersteller Cirrus Logic
Logo Cirrus Logic Logo 




Gesamt 12 Seiten
WM7331E Datasheet, Funktion
WM7331E
Bottom Port Analog Silicon Microphone
DESCRIPTION
The WM7331 is a low-profile silicon analog microphone. It
offers high Signal to Noise Ratio (SNR) and low power
consumption and is suited to a wide variety of consumer
applications.
The WM7331 incorporates Cirrus Logic® proprietary
CMOS/MEMS membrane technology, offering high reliability
and high performance in a miniature, low-profile package.
The compact integration of transducer and internal circuitry
on a single die enables implementation within an extremely
small package size.
The WM7331 is designed to withstand the high
temperatures associated with automated flow solder
assembly processes. (Note that conventional microphones
can be damaged by this process.)
The WM7331 offers tight tolerance on the microphone
sensitivity, giving reduced variation between parts. This
removes the need for in-line production calibration of part-to-
part microphone variations.
FEATURES
High SNR (63dB)
Low variation in sensitivity (±1dB tolerance)
Low current consumption (55µA)
Analog output
Bottom Port LGA Package
2.5mm x 1.6mm x 0.9mm package
1.6V to 3.6V supply
APPLICATIONS
Mobile phone handsets
Wearable devices
Portable media players
Digital cameras
BLOCK DIAGRAM
VDD
WM7331
3D VIEW
CHARGE
PUMP
CMOS MEMS Transducer
AMP
OUTPUT
2.50mm x 1.60mm x 0.90mm LGA package
GND
Pre-Production
http://www.cirrus.com
This document contains information for a product under
development. Cirrus Logic reserves the right to modify this
product.
Copyright Cirrus Logic, Inc., 20142016
(All Rights Reserved)
Rev 3.2
APR ‘16






WM7331E Datasheet, Funktion
TYPICAL PERFORMANCE
WM7331E
Sensitivity vs. Frequency (20Hz20kHz)
Sensitivity vs. Frequency (20kHz80kHz)
PSRR vs. Frequency
Sensitivity vs. Supply Voltage
Current Consumption vs. Supply Voltage
THD vs. Sound Pressure Level
Phase Response vs. Frequency (20Hz10kHz)
6
Rev 3.2

6 Page









WM7331E pdf, datenblatt
REVISION HISTORY
DATE
01/04/14
29/09/14
08/10/14
24/03/15
27/05/15
06/11/15
01/03/16
26/04/16
REV
1.0
2.0
2.0
2.1
2.2
3.0
3.1
3.2
DESCRIPTION OF CHANGES
Initial version
3D image added
Electrical Characteristics updated
Package Outline Drawing added
Test Pin (pin 4) added to Pin Configuration & Pin Description
Frequency response updated
PCB Land Pattern and Paste Stencil added
Package Drawing updated
Released for general distribution
Frequency response updated
Typical performance graphs added
Frequency response performance graphs updated
Phase variation specification and performance plot added
WM7331E
PAGE
1
5
8
4
5
8
9
5
6
6
5, 6
CHANGED BY
CT
PH
PH
PH
PH
PH
PH
PH
12 Rev 3.2

12 Page





SeitenGesamt 12 Seiten
PDF Download[ WM7331E Schematic.PDF ]

Link teilen




Besondere Datenblatt

TeilenummerBeschreibungHersteller
WM7331EBottom Port Analog Silicon MicrophoneCirrus Logic
Cirrus Logic

TeilenummerBeschreibungHersteller
CD40175BC

Hex D-Type Flip-Flop / Quad D-Type Flip-Flop.

Fairchild Semiconductor
Fairchild Semiconductor
KTD1146

EPITAXIAL PLANAR NPN TRANSISTOR.

KEC
KEC


www.Datenblatt-PDF.com       |      2020       |      Kontakt     |      Suche