
ISO7220A-Q1
ISO7221A-Q1
ISO7221C-Q1
SLLS965C – JULY 2009 – REVISED MAY 2012
TYPICAL CHARACTERISTIC CURVES
www.ti.com
20
3.3-V RMS SUPPLY CURRENT
vs
SIGNALING RATE (Mbps)
30
5-V RMS SUPPLY CURRENT
vs
SIGNALING RATE (Mbps)
18
T A = 25°C,
15 pF Load
28
26
T A = 25°C,
15 pF Load
ISO7220x ICC2
16
24
22
14
12
10
8
6
4
2
0
ISO7220x ICC2
ISO7221x ICC1&2
ISO7220x ICC1
20
18
16
14
12
10
8
6
4
2
0
ISO7221x ICC1&2
ISO7220x ICC1
0
25
50
75
100
0
25
50 75
100
Signaling Rate - Mbps
Figure 6.
ISO722xA AND ISO722xC INPUT VOLTAGE LOW-TO-HIGH
SWITCHING THRESHOLD
vs
FREE-AIR TEMPERATURE
1.4
2.92
Signaling Rate - Mbps
Figure 7.
V CC FAILSAFE THRESHOLD
vs
FREE-AIR TEMPERATURE
1.35
5-V V th+
2.9
15 pF Load
V CC = 3.3 V or 5 V
V FS
1.3
3.3-V V th+
2.88
1.25
2.86
1.2
15 pF Load
2.84
1.15
1.1
1.05
1
5-V V th-
3.3-V V th-
2.82
2.8
2.78
V FS-
-40 -25 -10
5
20
35
50
65
80
95
110 125
-40 -25 -10
5
20
35
50
65
80
95
110 125
Temperature - °C
Figure 8.
Temperature - °C
Figure 9.
12
Submit Documentation Feedback
Copyright ? 2009–2012, Texas Instruments Incorporated
Product Folder Link(s): ISO7220A-Q1 ISO7221A-Q1 ISO7221C-Q1