WM7236 datasheet(6/14 Pages) CIRRUS

6 / 14 page

WM7236E

Rev 4.0

Test Conditions: VDD=1.8V, 1kHz test signal, CLK=3.072MHz, CLOAD = 100pF, TA = 25°C, unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital Input / Output

Input HIGH Level

VIH

VDD = 1.8V ±10%

0.65



VDD

Input LOW Level

VIL

VDD = 1.8V ±10%

0.35



VDD

Output HIGH Level

VOH

IOH = 1mA

0.9



VDD

Output LOW Level

VOL

IOL = -1mA

0.1



VDD

Input capacitance (CLK)

3.5

Input leakage

-1

µA

Pull-down resistance (LRSEL)

2.5

Ω

Maximum load capacitance

(DAT)

CLOAD

150

Short Circuit Output Current

DAT connected to GND

Miscellaneous

Current Consumption

(no load connected)

IVDD

Sleep Mode,

CLK = 0Hz

µA

Voice Mode,

CLK = 768kHz

290

400

Hi-Fi Record Mode,

CLK = 3.072MHz

980

1250

Hi-Fi Record Mode,

CLK = 3.84MHz

1010

1300

Start-up time

from VDD applied to output

within specification

from CLK applied to output

within specification

Impulse recovery time

from input sound pressure

below overload level to output

within specification

CLK frequency

Sleep Mode

Voice Mode

300

800

kHz

Hi-Fi Record Mode

2.2

4.9

MHz

Mode selection time

CLK

cycles

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