Datasheet > UG-326

UG-326

更新时间： 2024-09-24 12:27:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
2页	101K
描述
EVAL-ADMP521Z-FLEX Bottom-Ported, Digital Output, MEMS Microphone Evaluation Board

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UG-326 数据手册

Evaluation Board User Guide

UG-326

One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com

EVAL-ADMP521Z-FLEX Bottom-Ported, Digital Output,

MEMS Microphone Evaluation Board

GENERAL DESCRIPTION

EVALUATION BOARD PHOTO

The EVAL-ADMP521Z-FLEX is a simple evaluation board that

allows quick evaluation of the performance of the ADMP521

MEMS microphone. The small size and low profile of the

flexible printed circuit board (PCB) enable direct placement

of the microphone into a prototype or an existing design for an

in situ evaluation. The EVAL-ADMP521Z-FLEX consists of an

ADMP521 microphone and a 0.1 μF bypass capacitor soldered

to a flexible PCB with color-coded wires attached.

Figure 1.

Table 1. Pin Function Descriptions

RED: V

Wire

Mnemonic Color

Description

ADMP521

WHITE: CLK

DATA

V_DD

CLK

Blue

Red

White

Black

PDM digital output signal.

Power supply, 1.8 V to 3.3 V dc.

Clock input, 1.0 MHz to 3.3 MHz.

Ground.

Left channel or right channel select.

DATA1 (right): L/R SELECT tied to GND.

CLK

0.1µF

L/R SELECT

YELLOW:

L/R SELECT

DATA

GND

L/R SELECT Yellow

BLUE: DATA

BLACK: GND

DATA2 (left): L/R SELECT pulled to V_DD

EVALUATION BOARD CIRCUIT

Figure 2. Evaluation Board Schematic

Figure 2 and Figure 3 show the schematic and the layout of the

EVAL-ADMP521Z-FLEX. Consult the ADMP521 data sheet for

a complete description and specifications of the microphone in

conjunction with this evaluation board user guide.

Figure 3. Evaluation Board Layout

12.00

Figure 4. Evaluation Board Dimensions in mm (Wires Not Included)

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS.

Rev. 0 | Page 1 of 2

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