WM8993 datasheet(17/229 Pages) WOLFSON

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Production Data

WM8993

PD, November 2010, Rev 4.0

Test Conditions

DCVDD = 1.2V, AVDD2 = DBVDD = CPVDD = 1.8V, AVDD1 = 3.0V, SPKVDD = 5V, DGND=AGND=CPGND=SPKGND=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

DAC Output Path Performance

DAC to Single-Ended Line Output (10k

Ω / 50pF)

SNR (A-weighted)

THD

0dBFS input

-71

-61

THD+N

0dBFS input

-70

-60

Crosstalk (L/R)

-75

PSRR (all other supplies

217Hz)

100mVpk-pk

-36

DAC to Differential Line Output (10k

Ω / 50pF)

SNR (A-weighted)

THD

0dBFS input

-76

THD+N

0dBFS input

-75

Crosstalk (L/R)

-90

PSRR (all other supplies

217Hz)

100mVpk-pk

-51

Minimum Line Output

Resistance

LINEOUT1N,

LINEOUT1P,

LINEOUT2N,

LINEOUT2P

Line Output Capacitance

LINEOUT1N,

LINEOUT1P,

LINEOUT2N,

LINEOUT2P

Direct connection

100

Connection via 1k

Ω series resistor

2000

DAC to Headphone on HPOUT1L or HPOUT1R (RL=32

Ω)

SNR (A-weighted)

OSR = 128fs

100

OSR = 64fs

THD (PO=20mW)

-79

THD+N (PO=20mW)

-77

THD (PO=5mW)

-83

THD+N (PO=5mW)

-81

Crosstalk (L/R)

-95

PSRR (all other supplies

217Hz)

100mVpk-pk

-51

DAC to Headphone on HPOUT1L or HPOUT1R (RL=16

Ω)

SNR (A-weighted)

OSR = 128fs

100

OSR = 64fs

THD (PO=20mW)

-85

THD+N (PO=20mW)

-83

THD (PO=5mW)

-83

-73

THD+N (PO=5mW)

-81

-71

Crosstalk (L/R)

-95

PSRR (all other supplies

217Hz)

100mVpk-pk

-51

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