WM8959 datasheet(11/155 Pages) WOLFSON

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WM8959

PP, May 2008, Rev 3.1

ELECTRICAL CHARACTERISTICS

Test Conditions

DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, TA = +25

oC, 1kHz signal, fs = 48kHz,

PGA gain = 0dB, 24-bit audio data unless otherwise stated.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analogue Input Pin Maximum Signal Levels (LIN1, LIN2, LIN3, LIN4, RIN1, RIN2, RIN3, RIN4)

Single-ended PGA

input on LIN1, LIN3,

RIN1 or RIN3, output

to INMIXL or INMIXR

1.0

Vrms

dBV

Differential PGA input

on LIN1/LIN2,

LIN3/LIN4, RIN1/RIN2

or RIN3/RIN4, output

to INMIXL or INMIXR

1.0

Vrms

dBV

Maximum Full-Scale PGA

Input Signal Level

Note 1: This changes in

proportion to AVDD

(AVDD/3.3).

Note 2: When mixing input

PGA outputs and line

inputs the total signal

must not exceed 1Vrms

(0dBV).

Note 3: A 1.0Vrms

differential signal equates

to 0.5Vrms/-6dBV per

input.

Differential input to

two single-ended PGA

inputs on LIN1/LIN3

or RIN1/RIN3, output

to DIFFINL or

DIFFINR

1.0

Vrms

dBV

Line input on LIN2,

LIN4, RIN2 or RIN4 to

INMIXL or INMIXR

1.0

Vrms

dBV

Line input on LIN2 or

RIN2 to SPKMIX

1.0

Vrms

dBV

Line input on LIN3 or

RIN3 to LOMIX or

ROMIX

1.0

Vrms

dBV

Differential mono line

input on RXP/RXN to

RXVOICE

1.0

Vrms

dBV

Maximum Full-Scale Line

Input Signal Level

Note 1: This changes in

proportion to AVDD

(AVDD/3.3).

Note 2: When mixing line

inputs, input PGA outputs

and DAC outputs the total

signal must not exceed

1Vrms (0dBV).

Note 3: A 1.0Vrms

differential signal equates

to 0.5Vrms/-6dBV per

input.

Differential mono line

input on RXP/RXN to

differential output on

OUT3/OUT4

1.0

Vrms

dBV

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