Production Data

WM2148

WOLFSON MICROELECTRONICS LTD

PD Rev 1.1 February 2001

13

COMPONENT

REFERENCE

SUGGESTED

VALUE

DESCRIPTION

C1

10

µF

Analogue Supply Decoupling

C2

0.1

µF

Supply Decoupling for Reference Block

C3

470pF

Supply Decoupling for Reference Block - place as close to the IC as possible

C4

0.1

µF

Supply Decoupling for ADC

C5

470pF

Supply Decoupling for ADC - place as close to the IC as possible

C6

0.1

µF

Supply Decoupling for ADC Op-amps

C7

470pF

Supply Decoupling for ADC Op-amps - place as close to the IC as possible

(most critical for ADC performance)

C8

10

µF

Digital Supply Decoupling

C9

0.1

µF

Supply Decoupling Clock Buffers - place as close to the IC as possible

to eliminate clock jitter

C10

0.1

µF

Supply Decoupling for Core Logic

C11

0.1

µF

Supply Decoupling for Control Block

C12, C13

0.1

µF

Supply Decoupling for Output Drivers

C14, C17, C19

10

µF

Reference Decoupling

C15, C16, C18, C20

0.1

µf

Reference Decoupling - place as close to the IC as possible

Table 6 External Components Values and Description