The ISO7220 and ISO7221 are dual-channel digital isolators

ISO7221A

Manufacturer Part NumberISO7221A
DescriptionThe ISO7220 and ISO7221 are dual-channel digital isolators
ManufacturerTexas Instruments
ISO7221A datasheet
 


Specifications of ISO7221A

Number Of Channels2Channel Configuration1/1
Insulation Rating(vrms)2500Supply Voltage(s)(v)3.3, 5
Datarate(mbps)1Input Noise FilterYes
Prop Delay(max)(ns)475Ttl/cmos Input ThresholdTTL
FootprintADuM1201Operating Temperature Range(c)-40 to 125
Pin/package8SOICThermal ShutdownNo
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TYPICAL CHARACTERISTIC CURVES (continued)
V
UNDERVOLTAGE THRESHOLD
CC
vs
FREE-AIR TEMPERATURE
2.68
2.64
2.6
2.56
2.52
2.48
-40 -25 -10
5
20
35
50
Free-Air Temperature - °C
Figure 14.
LOW-LEVEL OUTPUT CURRENT
vs
LOW-LEVEL OUTPUT VOLTAGE
70
15 pF Load
T = 25°C
60
A
50
40
30
20
10
0
0
1
2
V
- V
OUT
Figure 16.
Copyright © 2006–2012, Texas Instruments Incorporated
ISO7220A, ISO7220B, ISO7220C, ISO7220M
ISO7221A, ISO7221B, ISO7221C, ISO7221M
-80
-70
-60
V
Rising
CC
-50
-40
-30
V
Falling
CC
V
-20
-10
0
65
80
95
110 125
0
2000
15 pF Load
1800
T = 25°C
V
= 5 V
1600
CC
1400
1200
V
= 3.3 V
1000
CC
800
600
400
200
0
3
4
5
0
SLLS755L – JULY 2006 – REVISED JANUARY 2012
HIGH-LEVEL OUTPUT CURRENT
vs
HIGH-LEVEL OUTPUT VOLTAGE
15 pF Load
T = 25°C
A
V
= 5 V
CC
= 3.3 V
CC
2
4
V
- V
OUT
Figure 15.
ISO722xM JITTER
vs
SIGNALING RATE
A
V
= V
= 5 V
CC1
CC2
V
= V
= 3.3 V
CC1
CC2
50
100
150
Signaling Rate - Mbps
Figure 17.
6
200
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