WM8950GEFLSLASHV datasheet(9/52 Pages) WOLFSON

부품명	WM8950GEFL/V

상세설명	ADC WITH MICROPHONE INPUT AND PROGRAMMABLE DIGITAL FILTERS

PDF	52 Pages

Scroll/Zoom	100%

제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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9 / 52 page

Preliminary Technical Data

WM8950

PTD Rev 2.1 June 2005

Test Conditions

DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, TA=+25

oC, Slave Mode, fs=48kHz, MCLK=256fs,

24-bit data, unless otherwise stated.

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Audio Data Input Timing Information

FRAME propagation delay from BCLK falling edge

tDL

ADCDAT propagation delay from BCLK falling edge

tDDA

AUDIO INTERFACE TIMING – SLAVE MODE

Figure 3 Digital Audio Data Timing – Slave Mode

Test Conditions

DCVDD=1.8V, DBVDD=AVDD=SPKVDD=3.3V, DGND=AGND=SPKGND=0V, TA=+25

oC, Slave Mode, fs=48kHz, MCLK= 256fs,

24-bit data, unless otherwise stated.

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Audio Data Input Timing Information

BCLK cycle time

tBCY

BCLK pulse width high

tBCH

BCLK pulse width low

tBCL

FRAME set-up time to BCLK rising edge

tLRSU

FRAME hold time from BCLK rising edge

tLRH

Note:

BCLK period should always be greater than or equal to MCLK period.

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