Datasheet

uA9638C
DUAL HIGH-SPEED DIFFERENTIAL LINE DRIVER
SLLS112C − OCTOBER 1980 − REVISED APRIL 1994
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IK
Input clamp voltage V
CC
= 4.75 V, I
I
= −18 mA −1 −1.2 V
V
High level output voltage
V
CC
= 4.75 V, V
IH
= 2 V,
I
OH
= −10 mA 2.5 3.5
V
V
OH
High-level output voltage
V
CC
=
4
.
75
V
,
V
IL
= 0.8 V
V
IH
=
2
V
,
I
OH
= −40 mA 2
V
V
Low level output voltage
V
CC
= 4.75 V, V
IH
= 2 V, V
IL
= 0.8 V,
05
V
V
OL
Low-level output voltage
V
CC
=
4
.
75
V
,
I
OL
= 40 mA
V
IH
=
2
V
,
V
IL
=
0
.
8
V
,
0.5 V
|V
OD1
| Magnitude of differential output voltage V
CC
= 5.25 V, I
O
= 0 2V
OD2
V
|V
OD2
| Magnitude of differential output voltage 2 V
Δ|V |
Chan
g
e in ma
g
nitude of differential
± 04
V
Δ|V
OD
|
Change
in
magnitude
of
differential
output voltage
‡
V
CC
= 4.75 V to 5.25 V, R
L
= 100 Ω,
± 0.4 V
V
OC
Common-mode output voltage
§
V
CC
=
4
.
75
V
to
5
.
25
V
,
See Figure 1
R
L
=
100
Ω
,
3 V
Δ|V |
Chan
g
e in ma
g
nitude of common-mode
± 04
V
Δ|V
OC
|
Change
in
magnitude
of
common-mode
output voltage
‡
± 0.4 V
V
O
= 6 V 0.1 100
I
O
Output current with power off V
CC
= 0
V
O
= − 0.25 V −0.1 −100
μA
I
O
Output
current
with
power
off
V
CC
0
V
O
= − 0.25 V to 6 V ± 100
μA
I
I
Input current V
CC
= 5.25 V, V
I
= 5.5 V 50 μA
I
IH
High-level input current V
CC
= 5.25 V, V
I
= 2.7 V 25 μA
I
IL
Low-level input current V
CC
= 5.25 V, V
I
= 0.5 V −200 μA
I
OS
Short-circuit output current
¶
V
CC
= 5.25 V, V
O
= 0 −50 −150 mA
I
CC
Supply current (both drivers) V
CC
= 5.25 V, No load, All inputs at 0 V 45 65 mA
†
All typical values are at V
CC
= 5 V and T
A
= 25°C.
‡
Δ | V
OD
| and Δ | V
OC
| are the changes in magnitude of V
OD
and V
OC
, respectively, that occur when the input is changed from a high level to a
low level or vice versa.
§
In Standard EIA-422-A, V
OC
, which is the average of the two output voltages with respect to ground, is called output offset voltage, V
OS
.
¶
Only one output at a time should be shorted, and duration of the short circuit should not exceed one second.
switching characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
d(OD)
Differential output delay time
C 15 pF
R 100 Ω
See Figure 2
10 20 ns
t
t(OD)
Differential output transition time
C
L
= 15 pF, R
L
= 100 Ω, See Figure 2
10 20 ns
t
sk(o)
Output skew See Figure 2 1 ns