WM8714EDSLASHR datasheet(6/17 Pages) WOLFSON

номер детали	WM8714ED/R

подробное описание детали	24-bit, 96kHz Stereo DAC

PDF	17 Pages

Scroll/Zoom	100%

производитель	WOLFSON [Wolfson Microelectronics plc]

домашняя страница	http://www.wolfsonmicro.com

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6 / 17 page

WM8714

Production Data

PD Rev 4.0 November 2004

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply range

VDD

2.7

5.5

Ground

GND

Difference DGND to AGND

-0.3

+0.3

Supply current

VDD = 5V

Supply current

VDD = 3.3V

ELECTRICAL CHARACTERISTICS

Test Conditions

VDD = 5V, GND = 0V, TA = +25

oC, fs = 48kHz, MCLK = 256fs unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital Logic Levels (CMOS Levels)

Input LOW level

VIL

0.8

Input HIGH level

VIH

2.0

Output LOW

VOL

IOL = 2mA

AGND + 0.3V

Output HIGH

VOH

IOH = 2mA

AVDD - 0.3V

Analogue Reference Levels

Reference voltage (CAP)

VDD/2 -

50mV

VDD/2

VDD/2 +

50mV

Potential divider resistance

RVMID

VDD to CAP and CAP

to GND

80k

100k

120k

Ω

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

0dBFs Full scale output voltage

At DAC outputs

1.1 x

VDD/5

Vrms

SNR (Note 1,2,3)

A-weighted,

@ fs = 48kHz

SNR (Note 1,2,3)

A-weighted

@ fs = 96kHz

SNR (Note 1,2,3)

A-weighted,

@ fs = 48kHz

AVDD, DVDD = 3.3V

SNR (Note 1,2,3)

A-weighted

@ fs = 96kHz

AVDD, DVDD = 3.3V

SNR (Note 1,2,3)

Non A-weighted @ fs =

48kHz

THD (Note 3)

1kHz, 0dBFs

-90

-74

Dynamic Range (Note 2)

1kHz, THD+N @

-60dBFs

DAC channel separation

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