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WM7236 Datasheet, PDF (6/14 Pages) Cirrus Logic – Low Power Bottom Port Digital Silicon Microphone
WM7236E
Test Conditions: VDD=1.8V, 1kHz test signal, CLK=3.072MHz, CLOAD = 100pF, TA = 25°C, unless otherwise stated.
PARAMETER
Digital Input / Output
Input HIGH Level
SYMBOL
VIH
TEST CONDITIONS
VDD = 1.8V ±10%
Input LOW Level
VIL
VDD = 1.8V ±10%
Output HIGH Level
VOH
IOH = 1mA
Output LOW Level
VOL
IOL = -1mA
Input capacitance (CLK)
Input leakage
Pull-down resistance (LRSEL)
Maximum load capacitance
(DAT)
Short Circuit Output Current
Miscellaneous
Current Consumption
(no load connected)
CLOAD
IVDD
Start-up time
Impulse recovery time
CLK frequency
Mode selection time
DAT connected to GND
Sleep Mode,
CLK = 0Hz
Voice Mode,
CLK = 768kHz
Hi-Fi Record Mode,
CLK = 3.072MHz
Hi-Fi Record Mode,
CLK = 3.84MHz
from VDD applied to output
within specification
from CLK applied to output
within specification
from input sound pressure
below overload level to output
within specification
Sleep Mode
Voice Mode
Hi-Fi Record Mode
MIN
0.65 
VDD
0.9 
VDD
-1
300
2.2
TYP
3.5
2.5
290
980
1010
10
10
50
0
MAX
0.35 
VDD
0.1 
VDD
1
150
10
10
400
1250
1300
50
50
800
4.9
4
UNIT
V
V
V
V
pF
µA
MΩ
pF
mA
µA
ms
ms
Hz
kHz
MHz
CLK
cycles
6
Rev 4.0