EVAL-ADMP441Z-FLEX AD [Analog Devices], EVAL-ADMP441Z-FLEX Datasheet - Page 4

• Manufacturer Part Number: EVAL-ADMP441Z-FLEX
• Description: Omnidirectional Microphone with Bottom Port and I2S Digital Output
• Manufacturer: AD [Analog Devices]

ADMP441
I²S DIGITAL INPUT/OUTPUT
–40°C < T
Table 2.
Parameter
DIGITAL INPUT
SD DIGITAL OUTPUT
1
Table 3. Serial Data Port Timing Specifications
Parameter
t
t
t
f
t
t
f
TIMING DIAGRAM
SCH
SCL
SCP
SCK
WSS
WSH
WS
Limits based on characterization results; not production tested.
Voltage Input Low (L/R, WS, SCK)
Voltage Input High (L/R, WS, SCK)
Voltage Output Low
Voltage Output Low
Voltage Output High
Voltage Output High
Voltage Output Low
Voltage Output Low
Voltage Output High
Voltage Output High
A
< +85°C, 1.8 V < V
SCK
WS
SD
DD
< 3.3 V, unless otherwise noted.
t
WSS
Description
SCK high
SCK low
SCK period
SCK frequency
WS setup
WS hold
WS frequency
Symbol
V
V
V
V
V
V
V
V
V
V
t
SCH
IL
IH
OL
OL
OH
OH
OL
OL
OH
OH
t
SCP
Figure 3. Serial Data Port Timing
t
SCL
Test Conditions/Comments
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
Rev. B | Page 4 of 16
= 1.8 V, I
= 1.8 V, I
= 1.8 V, I
= 1.8 V, I
= 3.3 V, I
= 3.3 V, I
= 3.3 V, I
= 3.3 V, I
SINK
SINK
SINK
SINK
SINK
SINK
SINK
SINK
= 0.25 mA
= 0.7 mA
= 0.7 mA
= 0.25 mA
= 0.5 mA
= 1.7 mA
= 1.7 mA
= 0.5 mA
Min
50
50
312
0.5
0
20
7.8
t
WSH
Max
3.2
49.3
Min
0
0.7 × V
0.7 × V
0.9 × V
0.7 × V
0.9 × V
DD
DD
DD
DD
DD
Limit
Max
0.25 × V
V
0.1 × V
0.3 × V
0.1 × V
0.3 × V
1
DD
Unit
ns
ns
ns
MHz
ns
ns
kHz
Data Sheet
DD
DD
DD
DD
DD
Unit
V
V
V
V
V
V
V
V
V
V