The ISO7220 and ISO7221 are dual-channel digital isolators

ISO7220M

Manufacturer Part NumberISO7220M
DescriptionThe ISO7220 and ISO7221 are dual-channel digital isolators
ManufacturerTexas Instruments
ISO7220M datasheet
 


Specifications of ISO7220M

Number Of Channels2Channel Configuration2/0
Insulation Rating(vrms)2500Supply Voltage(s)(v)3.3, 5
Datarate(mbps)150Input Noise FilterNone
Prop Delay(max)(ns)16Ttl/cmos Input ThresholdCMOS
FootprintADuM1200Operating Temperature Range(c)-40 to 125
Pin/package8SOICThermal ShutdownNo
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PARAMETER MEASUREMENT INFORMATION
IN
Input
Generator
V
50 W
I
NOTE A
A.
The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, t
≤ 3 ns, Z
ns, t
= 50Ω.
f
O
= 15 pF and includes instrumentation and fixture capacitance within ±20%.
B.
C
L
Figure 1. Switching Characteristic Test Circuit and Voltage Waveforms
V
I
V
CC
IN = 0 V
A.
C
= 15 pF and includes instrumentation and fixture capacitance within ±20%.
L
Figure 2. Failsafe Delay Time Test Circuit and Voltage Waveforms
S1
A.
C
= 15 pF and includes instrumentation and fixture capacitance within ±20%.
L
Figure 3. Common-Mode Transient Immunity Test Circuit
DUT
Tektronix
IN
HFS9009
PATTERN
GENERATOR
NOTE: PRBS bit pattern run length is 2
Figure 4. Peak-to-Peak Eye-Pattern Jitter Test Circuit and Voltage Waveform
Copyright © 2006–2012, Texas Instruments Incorporated
ISO7220A, ISO7220B, ISO7220C, ISO7220M
ISO7221A, ISO7221B, ISO7221C, ISO7221M
V
I
OUT
C
V
L
O
V
O
NOTE B
V
OUT
V
O
C
V
L
O
NOTE A
V
V
CC1
CC2
C = 0.1 F± 1%
C = 0.1 F± 1%
m
m
OUT
IN
NOTE A
GND1
GND2
V
CM
Tektronix
OUT
784D
Jitter
16
– 1. Transition time is 800 ps.
SLLS755L – JULY 2006 – REVISED JANUARY 2012
V
CC
V
/2
V
/2
CC
CC
0 V
t
t
PLH
PHL
V
OH
90%
50%
50%
10%
V
OL
t r
t f
≤ 3
r
V
CC
I
2.7 V
0 V
t
fs
V
OH
FAILSAFE HIGH
50%
V
OL
Pass-fail criteria:
Output must
remain stable
V
or V
OH
OL
V
CC
0 V
V
/ 2
C C
13