Datasheet
ISO3080, ISO3086
ISO3082, ISO3088
www.ti.com
SLOS581E – MAY 2008–REVISED SEPTEMBER 2011
DRIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O
= 0 mA, no load 3 4.3 V
CC
R
L
= 54 Ω, See Figure 1 1.5 2.3
Differential output voltage
| V
OD
| V
magnitude
R
L
= 100 Ω (RS-422), See Figure 1 2 2.3
V
test
from –7 V to +12 V, See Figure 2 1.5
Change in magnitude of the –0.2 0 0.2 V
Δ|V
OD
| See Figure 1 and Figure 2
differential output voltage
Steady-state common-mode 1 2.6 3
V
OC(SS)
output voltage
See Figure 3 V
Change in steady-state –0.1 0.1
ΔV
OC(SS)
common-mode output voltage
Peak-to-peak common-mode 0.5 V
V
OC(pp)
See Figure 3
output voltage
I
I
Input current D, DE, V
I
at 0 V or V
CC1
–10 10 μA
ISO3082
See receiver input current
ISO3088
V
Y
or V
Z
= 12 V,
High-impedance state output V
CC
= 0 V or 5 V, 1
I
OZ
current DE = 0 V
ISO3080
Other input at 0 V μA
ISO3086
V
Y
or V
Z
= –7 V.
V
CC
= 0 V or 5 V, –1
DE = 0 V
V
A
or V
B
at –7 V
I
OS
Short-circuit output current Other input at 0 V –200 200 mA
V
A
or V
B
at 12 V
CMTI Common-mode transient immunity See Figure 12 and Figure 13 25 50 kV/μs
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ISO3080/82 0.7 1.3 μs
t
PLH
,
Propagation delay
t
PHL
ISO3086/88 25 45 ns
ISO3080/82 20 200
PWD
(1)
Pulse skew (|t
PHL
– t
PLH
|) See Figure 4 ns
ISO3086/88 3 7.5
ISO3080/82 0.5 0.9 1.5 μs
t
r
, t
f
Differential output signal rise and fall time
ISO3086/88 7 15 ns
Propagation delay, 50% Vo 2.5 7
ISO3080/82 μs
t
PZH
, high-impedance-to-high-level output
90% Vo 1.8
t
PZL
Propagation delay,
See Figure 5 and
ISO3086/88 25 55
high-impedance-to-low-level output
Figure 6,
Propagation delay, ISO3080/82 95 225
DE at 0 V
ns
t
PHZ
, high-level-to-high-impedance output
t
PLZ
Propagation delay, low-level to
ISO3086/88 25 55
high-impedance output
(1) Also known as pulse skew
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Product Folder Link(s): ISO3080, ISO3086 ISO3082, ISO3088