The ISO7220 and ISO7221 are dual-channel digital isolators

ISO7221C-Q1

Manufacturer Part NumberISO7221C-Q1
DescriptionThe ISO7220 and ISO7221 are dual-channel digital isolators
ManufacturerTexas Instruments
ISO7221C-Q1 datasheet
 


Specifications of ISO7221C-Q1

Operating Temperature Range(c)-40 to 125Pin/package8SOIC
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ISO7220A-Q1
ISO7221A-Q1
ISO7221C-Q1
SLLS965B – JULY 2009 – REVISED MARCH 2010
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
ns, t
≤ 3 ns, Z
= 50Ω.
f
O
B.
C
= 15 pF and includes instrumentation and fixture capacitance within ±20%.
L
Figure 1. Switching Characteristic Test Circuit and Voltage Waveforms
V
I
V
1
CC
0 V
IN
or
V
1
CC
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
16
NOTE: PRBS bit pattern run length is 2
Figure 4. Peak-to-Peak Eye-Pattern Jitter Test Circuit and Voltage Waveform
8
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V
I
OUT
C
V
L
O
V
O
NOTE B
V
I
OUT
V
O
C
V
L
O
NOTE A
V
1
V
2
CC
CC
C = 0.1 F± 1%
C = 0.1 F± 1%
m
m
OUT
IN
NOTE A
GND1
GND2
V
CM
Tektronix
OUT
784D
Jitter
– 1. Transition time is 800 ps.
ISO7220A-Q1 ISO7221A-Q1 ISO7221C-Q1
www.ti.com
V
1
CC
V
1/2
V
1/2
CC
CC
0 V
t
t
PLH
PHL
V
90%
OH
50%
50%
10%
V
OL
t r
t f
≤ 3
r
V
1
CC
2.7 V
0 V
t
fs
V
OH
50%
FAILSAFE HIGH
V
OL
Pass-fail criteria:
Output must
remain stable
V
or V
OH
OL
V
1
CC
0 V
V
/ 2
C C
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