WM8726

Production Data

w

PD, Rev 4.8, January 2012

6

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply range

VDD

3.0

5.5

V

Ground

GND

0

V

Supply current

VDD = 5V

27

mA

Supply current

VDD = 3.3V

23

mA

Power down current (note 4)

VDD=3.3V

0.6

mA

ELECTRICAL CHARACTERISTICS

All MIN/MAX characteristics are guaranteed over the recommended operating conditions. Typical characteristics are based on

measurements taken under the test conditions specified below.

Test Conditions

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital Logic Levels (TTL Levels)

Input LOW level

0.8

V

Input HIGH level

2.0

V

Output LOW

GND + 0.3V

V

Output HIGH

VDD - 0.3V

V

Analogue Reference Levels

Reference voltage (CAP)

VDD/2

V

Potential divider resistance

VDD to CAP and CAP

to GND

33k



DAC Output (Load = 10k

 50pF)

0dBFs Full scale output voltage

At DAC outputs

1.1 x

VDD/5

DAC Performance (+25˚C )

SNR (Note 1,2,3)

A-weighted,

@ fs = 48kHz

90

97

dB

SNR (Note 1,2,3)

A-weighted

@ fs = 96kHz

94

dB

SNR (Note 1,2,3)

A-weighted

@ fs = 192kHz

94

dB

SNR (Note 1,2,3)

A-weighted,

@ fs = 48kHz

VDD = 3.3V

93

dB

SNR (Note 1,2,3)

A-weighted

@ fs = 96kHz

VDD = 3.3V

93

dB

SNR (Note 1,2,3)

Non ‘A’ weighted @ fs =

48kHz

95

dB

THD (Note 3)

1kHz, 0dBFs

-89

dB

Dynamic Range (Note 2)

1kHz, THD+N @

-60dBFs

90

97

dB

DAC channel separation

93

dB

Analogue Output Levels

Output level

Load = 10k

, 0dBFS

1.1

Load = 10k

, 0dBFS,

(VDD = 3.3V)

0.72