ISO1540
ISO1541
SLLSEB6 –JULY 2012
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TYPICAL CHARACTERISTICS
SIDE 1 OUTPUT LOW VOLTAGE
SIDE 1 OUTPUT LOW CURRENT
vs FREE-AIR TEMPERATURE
vs SDA1 or SCL1 APPLIED VOLTAGE
3.0
2.5
2.0
1.5
0.800
0.780
T
= 25oC
A
0.760
I
= 3.5 mA
= 0.5 mA
OL1
0.740
0.720
0.700
0.680
0.660
0.640
I
OL1
1.0
0.5
0.0
0.620
0.600
-0.5
−40 −25 −10
5
20 35 50 65 80 95 110 125
0
0.1 0.2
0.3
0.4
0.5
0.6 0.7
0.8
0.9
Free−Air Temperature (°C)
Applied Voltage, VSDA1, VSCL1 (V)
Figure 12.
Figure 13.
SIDE 1 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
SIDE 1 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
20
18
16
14
12
10
8
20
18
16
14
12
10
8
6
6
VCC1 = 3.3 V
VCC1 = 5 V
4
C1 = 40 pF
4
C1 = 40 pF
Fall Time measured from
70% to 30% VCC1
R1 = 953 Ω
R1 = 2.2 kΩ
Fall Time measured from
70% to 30% VCC1
R1 = 1430 Ω
R1 = 2.2 kΩ
2
2
0
0
−40 −25 −10
5
20 35 50 65 80 95 110 125
−40 −25 −10
5
20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
Free-Air Temperature (°C)
G001
G002
Figure 14.
Figure 15.
SIDE 2 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
SIDE 2 OUTPUT FALL TIME
vs FREE-AIR TEMPERATURE
30
25
20
15
10
5
30
25
20
15
10
5
VCC2 = 3.3 V
C2 = 400 pF
VCC2 = 5 V
C2 = 400 pF
Fall Time measured from
70% to 30% VCC2
Fall Time measured from
70% to 30% VCC2
R2 = 95.3 Ω
R2 = 2.2 kΩ
R2 = 143 Ω
R2 = 2.2 kΩ
0
0
−40 −25 −10
5
20 35 50 65 80 95 110 125
−40 −25 −10
5
20 35 50 65 80 95 110 125
Free-Air Temperature (°C)
Free-Air Temperature (°C)
G003
G004
Figure 16.
Figure 17.
14
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