7

DS1126DB1

CDB7121P

4 Layout

4 Layout

5 Known Issues

There are no known issues with this board.

6 Bill of Materials

7 Revision History

Figure 4-1. Top Layer + Silkscreen

Figure 4-2. Bottom Layer + Silkscreen

Table 6-1. Bill of Materials

Item

RefDes

Description

Manufacturer

Manufacturer's Part Number

1

U1

WM7121P Bottom Port Analog Silicon Microphone

Cirrus Logic

WM7121PIMSE

2C1

0.1-

F 0603 SMD Ceramic Capacitor 16 V X7R

Phycomp

2238 786 15649

3, 4

R1, R4

0-

 0603 SMD chip resistor 1% 0.063W

Multicomp

MC 0.063W 0603 0R

5

PCB

WM7121P Top Port demo board PCB

Cirrus Logic

CDB71T-4B-M1

Table 7-1. Revision History

Revision

Changes

DB1

NOV ‘16

• Initial version.

Important: Please check www.Cirrus.com to confirm that you are using the latest revision of this document and to determine whether there

are errata associated with this device.