WM8952 View Datasheet(PDF) - Wolfson Microelectronics plc

Part Name

Description

Manufacturer

WM8952

Mono ADC with Microphone Pre-amplifier

Wolfson Microelectronics plc 

Pre Production

WM8952

PIN DESCRIPTION

PIN

NAME

(WLCSP)

B5

MICBIAS

B6

AVDD

C6

AGND

D6

DCVDD

D5

DBVDD

E6

DGND

F6

ADCDAT

E5

TP

E3

FRAME

F5

BCLK

F4

MCLK

F3

CSB/GPIO

E2

SCLK

F1

SDIN

F2

MODE/GPIO

A1

AGND2

A2

AVDD2

B4

AUX

A4

VMID

A5

MICN

A6

MICP

A3, B1, B2,

C1, C2, D1, E1

DNC

TYPE

Analogue Output

Supply

Supply

Supply

Supply

Supply

Digital Output

Test pin

Digital Input / Output

Digital Input / Output

Digital Input

Digital Input / Output

Digital Input

Digital Input / Output

Digital Input

Supply

Supply

Analogue Input

Reference

Analogue Input

Analogue Input

Do Not Connect

DESCRIPTION

Microphone bias

Analogue supply

Analogue ground

Digital Supply (Core)

Digital supply (Input/Output)

Digital ground

ADC digital audio data output

Connect to ground

ADC sample rate clock or frame synch

Digital audio port clock

Master clock input

3-Wire control interface chip select or GPIO pin

Control interface clock input

Control interface data input

Control interface mode selection or GPIO pin

Analogue ground

Analogue supply

Auxiliary analogue input

Decoupling for midrail reference voltage

Microphone negative input (common mode)

Microphone positive input

Leave these pins floating

w

PP, Rev 3.1, June 2011

5

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