ADXL356 Просмотр технического описания (PDF) - Analog Devices
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ADXL356 Datasheet PDF : 42 Pages
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ADXL356/ADXL357
Data Sheet
I2C DIGITAL INTERFACE CHARACTERISTICS FOR THE ADXL357
Note that multifunction pin names may be referenced only by their relevant function.
Table 4.
Parameter
DC INPUT LEVELS
Input Voltage
Low Level
High Level
Hysteresis of Schmitt
Triggered Inputs
Input Current
DC OUTPUT LEVELS
Output Voltage
Low Level
Output Current
Low Level
AC INPUT LEVELS
SCL Frequency
SCL High Time
SCL Low Time
Start Setup Time
Start Hold Time
SDA Setup Time
SDA Hold Time
Stop Setup Time
Bus Free Time
SCL Input Rise Time
SCL Input Fall Time
SDA Input Rise Time
SDA Input Fall Time
Width of Spikes to
Suppress
AC OUTPUT LEVELS
Propagation Delay
Data
Acknowledge
Output Fall Time
Symbol
VIL
VIH
VHYS
IIL
VOL1
VOL2
IOL
tHIGH
tLOW
tSUSTA
tHDSTA
tSUDAT
tHDDAT
tSUSTO
tBUF
tRCL
tFCL
tRDA
tFDA
tSP
tVDDAT
tVDACK
tF
Test Conditions/
Comments
0.1 × VDDIO < VIN <
0.9 × VDDIO
IOL = 3 mA
VDDIO > 2 V
VDDIO ≤ 2 V
VOL = 0.4 V
VOL = 0.6 V
Not shown in Figure 4
CLOAD = 500 pF
Not shown in Figure 4
I2C_HS = 0 (Fast Mode)
Min
Typ Max
I2C_HS = 1 (High Speed Mode)
Min
Typ Max
0.7 × VDDIO
0.05 × VDDIO
−10
0.3 × VDDIO
0.7 × VDDIO
0.1 × VDDIO
+10
0.3 × VDDIO
0.4
0.2 × VDDIO
0.4
0.2 × VDDIO
20
20
6
6
0
1
0
3.4
260
60
500
160
260
160
260
160
50
10
0
0
260
160
500
120
80
120
80
120
160
120
160
50
10
97
450
27
135
450
20 ×
120
(VDDIO/5.5)
Unit
V
V
V
μA
V
V
mA
mA
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tFDA
SDA
tSUSTA tHDSTA
SCL
tSUDAT
tHDDAT
tLOW
tHIGH
tVDDAT
tVDDAT
Figure 4. I2C Interface Timing Diagram
tRDA
tBUF
tFCL
tRCL
tVDACK
tSUSTO
tSUSTA
Rev. A | Page 8 of 42
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