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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ISO7220A, ISO7220B, ISO7220C, ISO7220M
ISO7221A, ISO7221B, ISO7221C, ISO7221M
SLLS755L – JULY 2006 – REVISED JANUARY 2012
ELECTRICAL CHARACTERISTICS: V
over recommended operating conditions (unless otherwise noted)
PARAMETER
SUPPLY CURRENT
ISO7220x
ISO7221
ISO7220A, ISO7220B
I
CC1
ISO7221A, ISO7221B
ISO7220C, ISO7220M
ISO7221C, ISO7221M
ISO7220x
ISO7221x
ISO7220A, ISO7220B
I
CC2
ISO7221A, ISO7221B
ISO7220C, ISO7220M
ISO7221C, ISO7221M
V
High-level output voltage
OH
V
Low-level output voltage
OL
V
Input voltage hysteresis
I(HYS)
I
High-level input current
IH
I
Low-level input current
IL
C
Input capacitance to ground
I
CMTI
Common-mode transient immunity
(1) For the 5-V operation, V
or V
is specified from 4.5 V to 5.5 V.
CC1
CC2
SWITCHING CHARACTERISTICS: V
over recommended operating conditions (unless otherwise noted)
PARAMETER
t
,
pLH
Propagation delay
t
pHL
(1)
PWD
Pulse-width distortion |t
– t
|
pHL
pLH
t
,
pLH
Propagation delay
t
pHL
(1)
PWD
Pulse-width distortion |t
– t
|
pHL
pLH
t
,
pLH
Propagation delay
t
pHL
(1)
PWD
Pulse-width distortion |t
– t
|
pHL
pLH
t
,
pLH
Propagation delay
t
pHL
(1)
PWD
Pulse-width distortion |t
– t
|
pHL
pLH
(2)
t
Part-to-part skew
sk(pp)
(1) Also referred to as pulse skew.
(2) t
is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices
sk(pp)
operate with the same supply voltages, at the same temperature, and have identical packages and test circuits.
4
(1)
and V
at 5-V
OPERATION
CC1
CC2
TEST CONDITIONS
Quiescent
V
= V
or 0 V, no load
I
CC
1 Mbps
0.5 MHz Input Clock Signal, no load
12.5 MHz Input Clock Signal, no
25 Mbps
load
Quiescent
V
= V
or 0 V, no load
I
CC
1 Mbps
0.5 MHz Input Clock Signal, no load
12.5 MHz Input Clock Signal, no
25 Mbps
load
I
= –4 mA, See
Figure 1
OH
= –20 μA, See
I
Figure 1
OH
I
= 4 mA, See
Figure 1
OL
I
= 20 μA, See
Figure 1
OL
IN from 0 V to V
CC
IN at V
, V
= 0.4 sin (4E6πt)
CC
I
V
= V
or 0 V, See
Figure 3
I
CC
and V
at 5-V OPERATION
CC1
CC2
TEST CONDITIONS
ISO722xA
ISO722xB
See
Figure 1
ISO722xC
ISO722xM
ISO722xA
ISO722xB
ISO722xC
ISO722xM
Copyright © 2006–2012, Texas Instruments Incorporated
www.ti.com
MIN
TYP
MAX
UNIT
1
2
8.5
17
2
3
10
18
4
9
12
22
mA
16
31
8.5
17
17
32
10
18
20
34
12
22
V
– 0.8
4.6
CC
V
– 0.1
V
5
CC
0.2
0.4
V
0
0.1
150
mV
10
μA
–10
1
pF
25
50
kV/μs
MIN
TYP
MAX
UNIT
280
405
475
1
14
42
55
70
1
3
ns
22
32
42
1
2
6
10
16
0.5
1
180
17
ns
10
3