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
1
2
3
4
5
6
7
8
9
10
11
Page 11
12
Page 12
13
Page 13
14
Page 14
15
Page 15
16
Page 16
17
Page 17
18
Page 18
19
Page 19
20
Page 20
21
22
23
24
25
26
27
28
29
30
31
32
Page 18/32

Download datasheet (973Kb)Embed
PrevNext
ISO7220A, ISO7220B, ISO7220C, ISO7220M
ISO7221A, ISO7221B, ISO7221C, ISO7221M
SLLS755L – JULY 2006 – REVISED JANUARY 2012
TYPICAL CHARACTERISTIC CURVES (continued)
PROPAGATION DELAY
vs
FREE-AIR TEMPERATURE, ISO722xC
30
V
= 3.3 V
25
CC
t
& t
pLH
pHL
20
V
15
t
& t
pLH
pHL
10
5
0
-40
-15
10
35
Temperature - °C
Figure 10.
ISO722xA, ISO722xB AND ISO722xC INPUT VOLTAGE
LOW-TO-HIGH SWITCHING THRESHOLD
vs
FREE-AIR TEMPERATURE
1.4
1.35
1.3
3.3-V V
th+
1.25
1.2
1.15
5-V V
th-
1.1
1.05
3.3-V V
th-
1
-40 -25 -10
5
20
35
50
Temperature - °C
Figure 12.
18
20
15
= 5 V
CC
10
5
15 pF Load
0
60
85
110
125
-40
ISO722xM INPUT VOLTAGE HIGH-TO-LOW
2.5
2.4
5-V V
th+
2.3
2.2
2.1
2
15 pF Load
1.9
1.8
1.7
1.6
1.5
1.4
-40 -25 -10
65
80
95
110 125
www.ti.com
PROPAGATION DELAY
vs
FREE-AIR TEMPERATURE, ISO722xM
V
= 3.3 V
CC
t
& t
pLH
pHL
V
= 5 V
CC
t
& t
pLH
pHL
15 pF Load
-15
10
35
60
85
110
Temperature - °C
Figure 11.
vs
FREE-AIR TEMPERATURE
5-V V
th+
5-V V
th-
15 pF Load
3.3-V V
th+
3.3-V V
th-
5
20
35
50
65
80
95
110 125
Temperature - °C
Figure 13.
Copyright © 2006–2012, Texas Instruments Incorporated
125