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ISO1540 Datasheet(PDF) 14 Page - Texas Instruments

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Part # ISO1540
Description  Low-Power Bidirectional I2C Isolators
PDF  21 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ISO1540 Datasheet(HTML) 14 Page - Texas Instruments

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0
5
10
15
20
25
30
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
R2 = 95.3
Ω
R2 = 2.2 k
Ω
VCC2 = 3.3 V
C2 = 400 pF
Fall Time measured from
70% to 30% VCC2
G003
0
5
10
15
20
25
30
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
R2 = 143
Ω
R2 = 2.2 k
Ω
VCC2 = 5 V
C2 = 400 pF
Fall Time measured from
70% to 30% VCC2
G004
0
2
4
6
8
10
12
14
16
18
20
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
R1 = 953
Ω
R1 = 2.2 k
Ω
VCC1 = 3.3 V
C1 = 40 pF
Fall Time measured from
70% to 30% VCC1
G001
0
2
4
6
8
10
12
14
16
18
20
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free-Air Temperature (°C)
R1 = 1430
Ω
R1 = 2.2 k
Ω
VCC1 = 5 V
C1 = 40 pF
Fall Time measured from
70% to 30% VCC1
G002
0
0.3
0.6
0.9
Applied Voltage, V
, V
(V)
SDA1
SCL1
0.1
0.2
0.4
0.5
0.7
0.8
-0.5
1.0
0.0
2.0
0.5
3.0
1.5
2.5
T = 25 C
A
o
0.780
0.740
0.800
0.720
0.680
0.760
0.660
0.640
0.600
0.700
0.620
I
= 3.5 mA
OL1
I
= 0.5 mA
OL1
−40 −25 −10
5
20
35
50
65
80
95
110 125
Free−Air Temperature (°C)
ISO1540
ISO1541
SLLSEB6 – JULY 2012
www.ti.com
TYPICAL CHARACTERISTICS
SIDE 1 OUTPUT LOW VOLTAGE
SIDE 1 OUTPUT LOW CURRENT
vs FREE-AIR TEMPERATURE
vs SDA1 or SCL1 APPLIED VOLTAGE
Figure 12.
Figure 13.
SIDE 1 OUTPUT FALL TIME
SIDE 1 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
vs FREE-AIR TEMPERATURE
Figure 14.
Figure 15.
SIDE 2 OUTPUT FALL TIME
SIDE 2 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
vs FREE-AIR TEMPERATURE
Figure 16.
Figure 17.
14
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): ISO1540 ISO1541



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