Datasheet

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Receiver Electrical Characteristics
Driver Electrical Characteristics
Device Electrical Characteristics
SN65LVDT14-EP, SN65LVDT41-EP
SCES633 – JUNE 2005
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
ITH+
Positive-going differential input voltage threshold See Figure 2 and Table 1 100 mV
V
ITH–
Negative-going differential input voltage threshold See Figure 2 and Table 1 –100 mV
V
OH
High-level output voltage I
OH
= –8 mA 2.4 V
V
OL
Low-level output voltage I
OL
= 8 mA 0.4 V
V
I
= 0 V and V
I
= 2.4 V,
I
I
Input current (A or B inputs) ± 40 µ A
Other input open
I
I(OFF)
Power-off input current (A or B inputs) V
CC
= 0 V, V
I
= 2.4 V ± 40 µ A
C
i
Input capacitance, A or B input to GND V
I
= A sin 2 π ft + CV 5 pF
Z
t
Termination impedance V
ID
= 0.4 sin2.5E09 t V 88 132 Ω
(1) All typical values are at 25 ° C and with a 3.3-V supply.
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
R
L
= 100 Ω ,
|V
OD
| Differential output voltage magnitude 247 340 454 mV
See Figure 3 and Figure 5
Change in differential output voltage magnitude R
L
= 100 Ω ,
∆ |V
OD
| –50 50 mV
between logic states See Figure 3 and Figure 5
V
OC(SS)
Steady-state common-mode output voltage See Figure 6 1.125 1.375 V
Change in steady-state common-mode output voltage
∆ V
OC(SS)
See Figure 6 –50 50 mV
between logic states
V
OC(PP)
Peak-to-peak common-mode output voltage See Figure 6 50 mV
I
IH
High-level input current V
IH
= 2 V 20 µ A
I
IL
Low-level input current V
IL
= 0.8 V 10 µ A
V
OY
or V
OZ
= 0 V ± 24
I
OS
Short-circuit output current mA
V
OD
= 0 V
(2)
± 12
I
O(OFF)
Power-off output current V
CC
= 1.5 V, V
O
= 2.4 V ± 1 µ A
(1) All typical values are at 25 ° C and with a 3.3-V supply.
(2) This parameter is GBD over industrial temperature range.
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN MAX UNIT
SN65LVDT14 25
Driver R
L
= 100 Ω , Driver V
I
= 0.8 V or 2 V,
I
CC
Supply current mA
Receiver V
I
= ± 0.4 V
SN65LVDT41 35
4