WM9010 datasheet(5/12 Pages) WOLFSON

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Production Data

WM9010

PD, February 2011, Rev 4.0

ELECTRICAL CHARACTERISTICS

Test Conditions

VDD = 1.8V, INREF = GND = 0V, Load resistance = 16

Ω, TA = +25

oC, 1kHz signal unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analogue Inputs (INL, INR)

Maximum input signal

level

Single-ended input

VDD/1.8

Vrms

Input resistance

Input capacitance

Headphone Output Path (HPOUTL, HPOUTR)

Output Power

RL = 32

Ω; THD+N = 0.1%

RL = 32

Ω; THD+N = 1%

RL = 16

Ω; THD+N = 0.1%

RL = 16

Ω; THD+N = 1%

Signal to Noise ratio

SNR

A-weighted (20Hz – 20kHz)

104

Total Harmonic

Distortion + Noise

THD+N

RL = 32

Ω; PO = 20mW

(20Hz – 20kHz)

-90

RL = 32

Ω; PO = 5mW

(20Hz – 20kHz)

-91

RL = 16

Ω; PO = 20mW

(20Hz – 20kHz)

-91

-81

RL = 16

Ω; PO = 5mW

(20Hz – 20kHz)

-87

DC Offset

0.5

Channel separation

RL = 16

Mute attenuation

ENA = 0

110

Power supply rejection

PSRR

100mV pk-pk @ 217Hz on VDD

Maximum load

capacitance

HPOUTL or HPOUTR

Digital Input (ENA)

Input high level

0.8 x VDD

Input low level

0.2 x VDD

Other Parameters

Quiescent current

IVDD

ENA = 1, Inputs grounded

750

1000

μA

Shutdown current

IVDD

ENA = 0

0.9

μA

Start-up time

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