WM8716 datasheet(4/21 Pages) WOLFSON

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WM8716

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 3.1 April 2001

TEST CONDITIONS

AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25

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

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analogue Output Levels

Into 10kohm, full scale 0dB,

(5V supply)

1.1

VRMS

Output level

Into 10kohm, full scale 0dB,

(3.3V supply)

0.72

VRMS

To midrail or AC coupled

(5V supply)

kohms

Minimum resistance load

To midrail or AC coupled

(3.3V supply)

600

ohms

Maximum capacitance load

5V or 3.3V

100

Output DC level

AVDD/2

Gain mismatch channel to

channel

0.5

%FSR

Reference Levels

Potential divider resistance

AVDD to VMIDL/VMIDR and

VMIDL/VMIDR to AGND

kohms

Voltage at VMIDL/VMIDR

AVSS/2

POR

POR threshold

2.5V

BCKIN

DIN

LRCIN

BCH

BCL

BCY

Figure 1 Audio Data Input Timing

TEST CONDITIONS

AVDD, DVDD = 5V, AGND, DGND = 0V, TA = +25

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

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Audio Data Input Timing Information

BCKIN pulse cycle time

tBCY

100

BCKIN pulse width high

tBCH

BCKIN pulse width low

tBCL

BCKIN rising edge

to LRCIN edge

tBL

LRCIN rising edge

to BCKIN rising edge

tLB

DIN setup time

tDS

DIN hold time

tDH

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