WM8986GECOSLASHV datasheet(5/87 Pages) WOLFSON

5 / 87 page

Pre-Production

WM8986

PP, Rev 3.1, February 2007

PIN DESCRIPTION

NAME

TYPE

DESCRIPTION

LIP

Analogue input

Left MIC pre-amp positive input

LIN

Analogue input

Left MIC pre-amp negative input

RIP

Analogue input

Right MIC pre-amp positive input

RIN

Analogue input

Right MIC pre-amp negative input

DACDAT

Digital Input

DAC digital audio data input

LRC

Digital Input / Output

DAC sample rate clock

BCLK

Digital Input / Output

Digital audio bit clock

MCLK

Digital Input

Master clock input

DGND

Supply

Digital ground

DCVDD

Supply

Digital core logic supply

DBVDD

Supply

Digital buffer (I/O) supply

CSB/GPIO1

Digital Input / Output

3-Wire control interface chip Select / GPIO1 pin

SCLK

Digital Input

3-Wire control interface clock input / 2-wire control interface clock input

SDIN

Digital Input / Output

3-Wire control interface data input / 2-Wire control interface data input

MODE

Digital Input

Control interface selection

AUXL

Analogue input

Left auxiliary input

AUXR

Analogue input

Right auxiliary input

OUT4

Analogue Output

Buffered midrail headphone pseudo-ground / right line output / mono mix

output

OUT3

Analogue Output

Buffered midrail headphone pseudo-ground or left line output

ROUT2

Analogue Output

Class D or class AB headphone output right

AGND2

Supply

Analogue ground (ground reference for ROUT2/LOUT2 and OUT3/OUT4)

LOUT2

Analogue Output

Class D or class AB headphone output left

AVDD2

Supply

Analogue supply (feeds output amplifiers ROUT2/LOUT2 and OUT3/OUT4)

VMID

Reference

Decoupling for DAC reference voltage

AGND1

Supply

Analogue ground (ground reference for all input amplifiers, PLL, DAC, interna

bias circuits, output amplifiers LOUT1, ROUT1)

ROUT1

Analogue Output

Class AB headphone or line output right

LOUT1

Analogue Output

Class AB headphone or line output left

AVDD1

Supply

Analogue supply (feeds all input amplifiers, PLL, DAC, internal bias circuits,

output amplifiers LOUT1, ROUT1)

WM8986GECO/V Datasheet(PDF) 5 Page - Wolfson Microelectronics plc

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