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INMP441ACEZ-R7 数据表(PDF) 5 Page - List of Unclassifed Manufacturers

部件名 INMP441ACEZ-R7
功能描述  Omnidirectional Microphone with Bottom Port and I2S Digital Output
PDF  21 Pages
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制造商  ETC1 [List of Unclassifed Manufacturers]
网页  
标志 ETC1 - List of Unclassifed Manufacturers

INMP441ACEZ-R7 数据表(HTML) 5 Page - List of Unclassifed Manufacturers

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INMP441
TABLE 2. I2S DIGITAL INPUT/OUTPUT CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
DIGITAL INPUT
Input Voltage High (VIH)
L/R, WS, SCK
0.7 x VDD
VDD
V
1
Input Voltage Low (VIL)
L/R, WS, SCK
0
0.25 x VDD
V
1
SD DIGITAL INPUT
Voltage Output Low (VOL)
VDD = 1.8 V, ISINK = 0.25 mA
0.1 × VDD
V
1
Voltage Output Low (VOL)
VDD = 1.8 V, ISINK = 0.7 mA
0.3 × VDD
V
1
Voltage Output High (VOH)
VDD = 1.8 V, ISINK = 0.7 mA
0.7 × VDD
V
1
Voltage Output High (VOH)
VDD = 1.8 V, ISINK = 0.25 mA
0.9 × VDD
V
1
Voltage Output Low (VOL)
VDD = 3.3 V, ISINK = 0.5 mA
0.1 × VDD
V
1
Voltage Output Low (VOL)
VDD = 3.3 V, ISINK = 1.7 mA
0.3 × VDD
V
1
Voltage Output High (VOH)
VDD = 3.3 V, ISINK = 1.7 mA
0.7 × VDD
V
1
Voltage Output High (VOH)
VDD = 3.3 V, ISINK = 0.5 mA
0.9 × VDD
V
1
Note 1: Limits based on characterization results; not production tested.
TABLE 3. SERIAL DATA PORT TIMING SPECIFICATIONS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
tSCH
SCK high
50
ns
tSCL
SCK low
50
ns
tSCP
SCK period
312
ns
fSCK
SCK frequency
0.5
3.2
MHz
tWSS
WS setup
0
ns
tWSH
WS hold
20
ns
fWS
WS frequency
7.8
50
kHz
TIMING DIAGRAM
Figure 1. Serial Data Port Timing
SCK
WS
SD
tSCP
tSCH
tSCL
tWSH
tWSS
Page 5 of 21
Document Number: DS-INMP441-00
Revision: 1.1



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