WM1811A datasheet(24/328 Pages) WOLFSON

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WM1811A

Production Data

PD, November 2013, Rev 4.1

Test Conditions

AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2),

AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V, LDO1VDD=SPKVDD1=SPKVDD2=5V,

DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V,

TA = +25

oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Earpiece Speaker Voice Call:

Tx Voice and RXVOICE

Separation

1kHz Full scale differential input

on VRXP-VRXN, output to

HPOUT2P-HPOUT2N; Quiescent

input on IN1LN/P or IN1RN/P

(Gain=+12dB), differential line

output; Measure crosstalk at

differential line output

100

Headset Voice Call:

Tx Voice and RXVOICE

Separation

1kHz full scale differential input on

VRXP-VRXN via RXVOICE to

MIXOUTL and MIXOUTR, output

to HPOUT1L and HPOUT1R;

Quiescent input on IN1LN/P or

IN1RN/P (Gain=+12dB),

differential line output; Measure

crosstalk at differential line output

Stereo Line Record and Playback:

DAC/Headset to ADC Separation

-5dBFS input to DACs, playback to

HPOUT1L and HPOUT1R; ADC

record from line input; Measure

crosstalk on ADC output

DACR

HPOUT1LVOL

0dB

DACL

HPOUT1RVOL

0dB

MIXINL or

MIXINR

ADCL or

ADCR

CROSSTALK

Quiescent

input

HPOUT1L

HPOUT1R

IN1LP or

IN1RP

WM1811A Datasheet(PDF) 24 Page - Wolfson Microelectronics plc

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