XWM8706EDS Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

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XWM8706EDS

24-bit, 192kHz Stereo DAC with Volume Control

Wolfson Microelectronics plc 

WM8706

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DC ELECTRICAL CHARACTERISTICS

PARAMETER

Digital supply range

Analogue supply range

Ground

Difference DGND to AGND

Analogue supply current

Digital supply current

Analogue supply current

Digital supply current

SYMBOL

DVDD

AVDD

AGND, DGND

TEST CONDITIONS

MIN

3.0

3.0

-0.3

AVDD = 5V

DVDD = 5V

AVDD = 3.3V

DVDD = 3.3V

TYP

0

0

19

8

18

4

MAX

5.5

5.5

+0.3

UNIT

V

V

V

V

mA

mA

mA

mA

ELECTRICAL CHARACTERISTICS

Test Conditions

AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25oC, fs = 48kHz, XTI = 256fs unless otherwise stated.

PARAMETER

SYMBOL TEST CONDITIONS

MIN

TYP

MAX

Digital Logic Levels (TTL Levels)

Input LOW level

VIL

0.8

Input HIGH level

VIH

2.0

Output LOW

VOL

IOL = 1mA

AGND + 0.3V

Output HIGH

VOH

IOH = 1mA

AVDD - 0.3V

Analogue Reference Levels

Reference voltage

VMID

(VREFP -

VREFN)/2 -

50mV

(VREFP -

VREFN)/2

(VREFP -

VREFN)2 +

50mV

Potential divider resistance

RVMID

12k

DAC Output (Load = 10K ohms. 50pF)

0dBFs Full scale output voltage

At DAC outputs

1.1 x

AVDD/5

SNR (Note 1,2,3)

A-weighted,

100

106

@ fs = 48kHz

SNR (Note 1,2,3)

A-weighted

106

@ fs = 96kHz

SNR (Note 1,2,3)

A-weighted

106

@ fs = 192kHz

SNR (Note 1,2,3)

A-weighted,

105

@ fs = 48kHz

AVDD, DVDD = 3.3V

SNR (Note 1,2,3)

A-weighted

103

@ fs = 96kHz

AVDD, DVDD = 3.3V

SNR (Note 1,2,3)

Non ‘A’ weighted @ fs

106

= 48kHz

THD (Note 1,2,3)

1kHz, 0dBfs

-97

THD+N (Dynamic range, Note 2)

1kHz, -60dBfs

100

106

DAC channel separation

100

UNIT

V

V

V

V

V

ohms

Vrms

dB

dB

dB

dB

dB

dB

dB

dB

dB

WOLFSON MICROELECTRONICS LTD

PP Rev 1.2 April 2001

5

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