Datasheet

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INPUT ELECTRICAL CHARACTERISTICS
OUTPUT ELECTRICAL CHARACTERISTICS
SN65LVDS122
SN65LVDT122
SLLS525B – MAY 2002 – REVISED JUNE 2004
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IT+
Positive-going differential input voltage threshold See Figure 1 and Table 1 100 mV
V
IT-
Negative-going differential input voltage threshold See Figure 1 and Table 1 –100
(2)
mV
V
ID(HYS)
Differential input voltage hysteresis (V
IT+
– V
IT-
) 25 mV
DE –10 0
I
IH
High-level input current V
IH
= 2 µA
S0, S1 0 20
DE –10 0
I
IL
Low-level input current V
IL
= 0.8 V µA
S0, S1 20
R
L
= 100 Ω 80 100
I
CC
Supply current mA
Disabled 35 45
V
I
= 0 V or 2.4 V, Other input at 1.2 V –20 20
Input current (A or B inputs 'LVDS) µA
V
I
= 4 V, Other input at 1.2 V 0 33
I
I
V
I
= 0 V or 2.4 V, Other input open –40 40
Input current (A or B inputs 'LVDT) µA
V
I
= 4 V, Other input open 0 66
V
CC
= 1.5 V, V
I
= 0 V or 2.4 V,
–20 20
Other input at 1.2 V
Input current (A or B inputs 'LVDS) µA
V
CC
= 1.5 V, V
I
= 2.4 V or 4 V,
0 33
Other input at 1.2 V
I
I(OFF)
V
CC
= 1.5 V, V
I
= 0 V or 2.4 V,
–40 40
Other input open
Input current (A or B inputs 'LVDT) µA
V
CC
= 1.5 V, V
I
= 2.4 V or 4 V,
0 66
Other input open
I
IO
Input offset current (| I
IA
– I
IB
|) 'LVDS V
IA
= V
IB
, 0 ≤ V
IA
≤ 4 V –6 6 µA
V
ID
= 300 mV and 500 mV,
Termination resistance ('LVDT) 90 110 132
V
IC
= 0 V to 2.4 V
R
T
Ω
V
ID
= 300 mV and 500 mV,
Termination resistance ('LVDT with power-off) 90 110 132
V
CC
= 1.5 V, V
IC
= 0 V to 2.4 V
V
I
= 0.4 sin (4E6πt) + 0.5 V 3
Differential input capacitance ('LVDT with
C
I
pF
power-off)
Powered down (V
CC
= 1.5 V) 3
(1) All typical values are at 25°C and with a 3.3-V supply.
(2) The algebraic convention in which the least positive (most negative) limit is designated as minimum is used in this data sheet.
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
|V
OD
| Differential output voltage magnitude 247 310 454
See Figure 2 mV
Change in differential output voltage magnitude between logic
∆|V
OD
| –50 50
states
V
OC(SS)
Steady-state common-mode output voltage 1.125 1.375 V
Change in steady-state common-mode output voltage between
∆V
OC(SS)
See Figure 3 –50 50 mV
logic states
V
OC(PP)
Peak-to-peak common-mode output voltage 50 150 mV
I
OS
Short-circuit output current V
O(Y)
or V
O(Z)
= 0 V –24 24 mA
I
OS(D)
Differential short-circuit output current V
OD
= 0 V –12 12 mA
V
OD
= 600 mV –1 1
I
OZ
High-impedance output current µA
V
O
= 0 V or V
CC
–1 1
C
o
Differential output capacitance V
I
= 0.4 sin (4E6πt) + 0.5 V 3 pF
(1) All typical values are at 25°C and with a 3.3-V supply.
3