Datasheet
ISO15, ISO35
ISO15M, ISO35M
www.ti.com
SLOS580F – MAY 2008– REVISED JANUARY 2012
DRIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O
= 0 mA, no load 2.5 V
CC
R
L
= 54 Ω, See Figure 1 1.5 2
| V
OD
| Differential output voltage magnitude V
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 differential
Δ|V
OD
| See Figure 1 and Figure 2 –0.2 0 0.2 V
output voltage
V
OC(SS)
Steady-state common-mode output voltage 1 2.6 3
See Figure 3 V
Change in steady-state common-mode
ΔV
OC(SS)
–0.1 0.1
output voltage
V
OC(pp)
Peak-to-peak common-mode output voltage See Figure 3 0.5 V
I
I
Input current D, DE, V
I
at 0 V or V
CC1
–10 10 μA
ISO15 See receiver input current
V
Y
or V
Z
= 12 V 90
Other
I
OZ
High-impedance state output current V
Y
or V
Z
= 12 V, V
CC
= 0 90
input
ISO35 μA
V
Y
or V
Z
= –7 V –10
at 0 V
V
Y
or V
Z
= –7 V, V
CC
= 0 -10
V
A
or V
B
at –7 V Other
input
Short-circuit output current –250 250 mA
V
A
or V
B
at 12 V
I
OS
at 0 V
C
OD
Differential output capacitance V
I
= 0.4 sin (4E6πt) + 0.5 V, DE at 0 V 16 pF
CMTI Common-mode transient immunity V
I
= V
CC
or 0 V, See Figure 12 and Figure 13 25 50 kV/μs
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST MIN TYP MAX UNIT
CONDITIONS
t
PLH
, t
PHL
Propagation delay 340
t
sk(p)
Pulse skew (|t
PHL
– t
PLH
|) 6
See Figure 4 ns
ISO15 and ISO35 120 180 300
t
r
, t
f
Differential output signal rise time, fall time
ISO15M and ISO35M 120 180 350
t
PHZ
Propagation delay, high-level-to-high-impedance output 205
See Figure 5 ns
t
PZH
Propagation delay, high-impedance-to-high-level output 530
t
PLZ
Propagation delay, low-level to high-impedance output 330
See Figure 6 ns
t
PZL
Propagation delay, standby-to-low-level output 530
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