Datasheet
ISO1176
SLLS897D –MARCH 2008–REVISED MARCH 2010
www.ti.com
DRIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
pLH
, t
pHL
Propagation delay time 35 ns
V
CC1
at 5 V
V
CC2
at 5 V
t
sk(p)
Pulse skew (|t
p HL
– t
pLH
|) 2 5 ns
t
pLH
, t
pHL
Propagation delay time 40 ns
V
CC1
at 3.3 V
See Figure 10
V
CC2
at 5 V
t
sk(p)
Pulse skew (|t
p HL
– t
p LH
|) 2 5 ns
t
r
Differential output signal rise time 2 3 7.5 ns
t
f
Differential output signal fall time 2 3 7.5 ns
t
pDE
DE to ISODE prop delay See Figure 14 30 ns
t
t(MLH)
, t
t(MHL)
Output transition skew See Figure 11 1 ns
t
p(AZH)
, t
p(BZH)
Propagation delay time, high-impedance-to-active output 80 ns
t
p(AZL)
, t
p(BZL)
C
L
= 50 pF,
t
p(AHZ)
, t
p(BHZ)
RE at 0 V,
Propagation delay time, active-to- high-impedance output 80 ns
t
p(ALZ)
, t
p(BLZ)
See Figure 12 and
Figure 13
|t
p(AZL)
– t
p(BZH)
|
Enable skew time 0.55 1.5 ns
|t
p(AZH)
– t
p(BZL)
|
t
(CFB)
Time from application of short-circuit to current foldback See Figure 9 0.5 ms
t
(TSD)
Time from application of short-circuit to thermal shutdown T
A
= 25°C, See Figure 9 100 ms
RECEIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT(+)
Positive-going differential input voltage threshold I
O
= –8 mA –80 –10 mV
SeeFigure 15
V
IT(–)
Negative-going differential input voltage threshold I
O
= 8 mA –200 –120 mV
V
hys
Hysteresis voltage (V
IT+
– V
IT-
) 40 mV
I
OH
= –8 mA V
CC1
–0.4 3
V
ID
= 200 mV,
V
OH
High-level output voltage V
See Figure 15
I
O H
= –20 mA V
CC1
–0.1 3.3
V
CC1
at 3.3 V and V
CC2
at
5 V
I
O L
= 8 mA 0.2 0.4
V
ID
= –200 mV,
V
OL
Low-level output voltage V
See Figure 15
I
OL
= 20 mA 0 0.1
I
OH
= –8 mA V
CC1
–0.8 4.6
V
ID
= 200 mV,
V
OH
High-level output voltage V
See Figure 15
I
O H
= –20 mA V
CC1
–0.1 5
V
CC1
at 5 V and V
CC2
at 5
V
I
O L
= 8 mA 0.2 0.4
V
ID
= –200 mV,
V
OL
Low-level output voltage V
See Figure 15
I
OL
= –20 mA 0 0.1
I
A
, I
B
V
CC
= 4.75 V or 5.25 V
V
I
= –7 V or 12 V,
Bus pin input current –160 200 mA
I
A(OFF)
Other input = 0 V
V
CC2
= 0 V
I
B(OFF)
I
I
Receiver enable input current RE = 0 V –50 50 mA
I
OZ
High-impedance state output current RE = V
CC1
–1 1 mA
R
ID
Differential input resistance A, B 48 kΩ
Test input signal is a 1.5 MHz sine wave with
1 V
pp
amplitude , C
D
is measured across
C
ID
Differential input capacitance 7 10 pF
A and B
C
MR
Common mode rejection See Figure 19 4 V
4 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated
Product Folder Link(s) :ISO1176