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ISO1540 Datasheet(PDF) 13 Page - Texas Instruments

Part # ISO1540
Description  ISO154x-Q1 Low-Power Bidirectional I2C Isolators
PDF  35 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

ISO1540 Datasheet(HTML) 13 Page - Texas Instruments

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6.14 Typical Characteristics
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)
Figure 6-2. Side 1: Output Low Voltage vs Free-Air
Temperature
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
TA = 25°C
Figure 6-3. Side 1: Output Low Current vs SDA1 or
SCL1 Applied Voltage
Free-Air Temperature (qC)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
2
4
6
8
10
12
14
16
18
20
D001
R1= 953 :
R1= 2.2 k:
VCC1 = 3.3 V
C1 = 40 pF
Fall time measured from 70% to 30% VCC1
Figure 6-4. Side 1: Output Fall Time vs Free-Air
Temperature
Free-Air Temperature (qC)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
2
4
6
8
10
12
14
16
18
20
D002
R1 = 1430 :
R1 = 2.2 k:
VCC1 = 5 V
C1 = 40 pF
Fall time measured from 70% to 30% VCC1
Figure 6-5. Side 1: Output Fall Time vs Free-air
Temperature
Free-Air Temperature (qC)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
5
10
15
20
25
30
D003
R2 = 95.3 :
R2 = 2.2 k:
VCC2 = 3.3 V
C2 = 400 pF
Fall time measured from 70% to 30% VCC2
Figure 6-6. Side 2: Output Fall Time vs Free-Air
Temperature
Free-Air Temperature (qC)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
5
10
15
20
25
30
D004
R2 = 143 :
R2 = 2.2 k:
VCC2 = 5 V
C2 = 400 pF
Fall time measured from 70% to 30% VCC2
Figure 6-7. Side 2: Output Fall Time vs Free-Air
Temperature
www.ti.com
ISO1540-Q1, ISO1541-Q1
SLLSEX0D – NOVEMBER 2016 – REVISED DECEMBER 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: ISO1540-Q1 ISO1541-Q1



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