Datasheet

DS1691A, DS3691
www.ti.com SNLS357E –JULY 1998–REVISED APRIL 2013
DC Electrical Characteristics
(1)(2)(3)(4)
Parameter Test Conditions Min Typ Max Units
RS-422 CONNECTION, V
EE
CONNECTION TO GROUND, MODE SELECT ≤ 0.8V
V
IH
High Level Input Voltage 2 V
V
IL
Low Level Input Voltage 0.8 V
I
IH
High Level Input Current V
IN
= 2.4V 1 40 μA
V
IN
≤ 15V 10 100 μA
I
IL
Low Level Input Current V
IN
= 0.4V −30 −200 μA
V
I
Input Clamp Voltage I
IN
= −12 mA −1.5 V
V
O
Differential Output Voltage V
IN
= 2V 3.6 6.0 V
R
L
= ∞
V
O
V
A,B
V
IN
= 0.8V −3.6 −6.0 V
V
T
Differential Output Voltage R
L
= 100Ω V
IN
= 2V 2 2.4 V
V
T
V
A,B
V
CC
≥ 4.75V
V
IN
= 0.8V −2 −2.4 V
V
OS
, V
OS
Common-Mode Offset Voltage R
L
= 100Ω 2.5 3 V
|V
T
| − | V
T
| Difference in Differential Output Voltage R
L
= 100Ω 0.05 0.4 V
|V
OS
| − | V
OS
| Difference in Common-Mode Offset Voltage R
L
= 100Ω 0.05 0.4 V
V
SS
|V
T
− V
T
| R
L
= 100Ω, V
CC
≥ 4.75V 4.0 4.8 V
V
CMR
Output Voltage Common-Mode Range V
DISABLE
= 2.4V ±10 V
I
XA
Output Leakage Current V
CC
= 0V V
CMR
= 10V 100 μA
I
XB
Power OFF V
CMR
= −10V −100 μA
I
OX
TRI-STATE Output Current V
CC
= Max V
CMR
≤ 10V 100 μA
V
EE
= 0V and −5V
V
CMR
≥ −10V −100 μA
I
SA
Output Short Circuit Current V
IN
= 0.4V V
OA
= 6V 80 150 mA
V
OB
= 0V −80 −150 mA
I
SB
Output Short Circuit Current V
IN
= 2.4V V
OA
= 0V −80 −150 mA
V
OB
= 6V 80 150 mA
I
CC
Supply Current 18 30 mA
(1) Unless otherwise specified, min/max limits apply across the −55°C to +125°C temperature range for the DS1691A and across the 0°C to
+70°C range for the DS3691. All typicals are given for V
CC
= 5V and T
A
= 25°C. V
CC
and V
EE
as listed in operating conditions.
(2) All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to ground unless
otherwise specified.
(3) Only one output at a time should be shorted.
(4) Symbols and definitions correspond to EIA RS-422 and/or RS-423 where applicable.
AC Electrical Characteristics
(1)
T
A
= 25°C
Parameter Test Conditions Min Typ Max Units
RS-422 CONNECTION, V
CC
= 5V, MODE SELECT = 0.8V
t
r
Output Rise Time R
L
= 100Ω, C
L
= 500 pF Figure 3 120 200 ns
t
f
Output Fall Time R
L
= 100Ω, C
L
= 500 pF Figure 3 120 200 ns
t
PDH
Output Propagation Delay R
L
= 100Ω, C
L
= 500 pF Figure 3 120 200 ns
t
PDL
Output Propagation Delay R
L
= 100Ω, C
L
= 500 pF Figure 3 120 200 ns
t
PZL
TRI-STATE Delay R
L
= 450Ω, C
L
= 500 pF, C
C
= 0 pF Figure 6 250 350 ns
t
PZH
TRI-STATE Delay R
L
= 450Ω, C
L
= 500 pF, C
C
= 0 pF Figure 6 180 300 ns
t
PLZ
TRI-STATE Delay R
L
= 450Ω, C
L
= 500 pF, C
C
= 0 pF Figure 6 180 300 ns
t
PHZ
TRI-STATE Delay R
L
= 450Ω, C
L
= 500 pF, C
C
= 0 pF Figure 6 250 350 ns
(1) Symbols and definitions correspond to EIA RS-422 and/or RS-423 where applicable.
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