Datasheet
SN65LVDT125A
SN65LVDS125A
www.ti.com
SLLS595C –OCTOBER 2003– REVISED JUNE 2011
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
Supply voltage, V
CC
3 3.3 3.6 V
High-level input voltage, V
IH
S10-S41, 1DE-4DE 2 V
Low-level input voltage, V
IL
S10-S41, 1DE-4DE 0.8 V
LVDS 0.1 V
Magnitude of differential input voltage |V
ID
|
LVDT 0.1 0.8 V
Input voltage (any combination of common-mode or input signals) 0 3.3 V
Junction temperature, T
J
140 °C
Operating free-air temperature, T
A
(1)
-40 85 °C
(1) Maximum free-air temperature operation is allowed as long as the device maximum junction temperature is not exceeded.
TIMING SPECIFICATIONS
PARAMETER MIN NOM MAX UNIT
t
SET
Input to select setup time 0.6 ns
t
HOLD
Input to select hold time See Figure 7 0.2 ns
t
SWITCH
Select to switch output 1.2 1.6 ns
INPUT ELECTRICAL CHARACTERISTICS
over recommended operating conditions unless otherwise noted
(1)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
Positive-going differential input voltage
V
IT+
See Figure 1 100 mV
threshold
Negative-going differential input voltage
V
IT-
See Figure 1 -100 mV
threshold
V
ID(HYS)
Differential input voltage hysteresis 25 mV
1DE-4DE -10
I
IH
High-level input current V
IH
= 2 V µA
S10-S41 20
1DE-4DE -10
I
IL
Low-level input current V
IL
= 0.8 V µA
S10-S41 20
V
I
= 0 V or 3.3 V, Second input at 1.2 V (other
I
I
Input current -20 20 µA
input open for LVDT)
V
CC
≤ 1.5 V, V
I
= 0 V or 3.3 V, Second input at
I
I(OFF)
Input current -20 20 µA
1.2 V (other input open for LVDT)
I
IO
Input offset current (|I
IA
- I
IB
|) ('LVDS) V
IA
= V
IB,
0 ≤ V
IA
≤ 3.3 V -6 6 µA
Termination resistance ('LVDT) V
ID
= 300 mV, V
IC
= 0 V to 3.3 V 90 110 132
R
T
Ω
Termination resistance('LVDT with
V
ID
= 300 mV, V
IC
= 0 V to 3.3 V, V
CC
= 1.5 V 90 110 132
power-off)
C
T
Differential input capacitance 0.6 pF
(1) All typical values are at 25°C and with a 3.3 V supply.
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