Datasheet
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ELECTRICAL CHARACTERISTICS
SN65LVDS18, SN65LVP18
SN65LVDS19, SN65LVP19
SLLS624B – SEPTEMBER 2004 – REVISED NOVEMBER 2005
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
R
L
= 100 Ω , EN at 0 V,
30 36
Other inputs open
I
CC
Supply current mA
Outputs unloaded,
17 22
EN at 0 V, Other inputs open
V
BB
Reference voltage
(2)
I
BB
= –400 µA V
CC
– 1.44 V
CC
– 1.35 V
CC
– 1.25 V
I
IH
High-level input current, EN V
I
= 2 V –20 20
I
IAH
or I
IBH
High-level input current, A or B V
I
= V
CC
–20 20
µA
I
IL
Low-level input current, EN V
I
= 0.8 V –20 20
I
IAL
or I
IBL
Low-level input current, A or B V
I
= GND –20 20
SN65LVDS18/19 Y AND Z OUTPUT CHARACTERISTICS
Differential output voltage
|V
OD
| 247 340 454
magnitude, |V
OY
– V
OZ
|
mV
Change in differential output voltage
∆ |V
OD
| See Figure 1 and Figure 2 50
magnitude between logic states
Steady-state common- mode output
V
OC(SS)
1.125 1.375 V
voltage (see Figure 3 )
Change in steady-state
∆ V
OC(SS)
common-mode output voltage –50 50
between logic states
See Figure 3 mV
Peak-to-peak common-mode output
V
OC(PP)
50 100
voltage
I
OYZ
or I
OZZ
High-impedance output current EN at V
CC
, V
O
= 0 V or V
CC
–1 1 µA
I
OYS
or I
OZS
Short-circuit output current EN at 0 V, V
OY
or V
OZ
= 0 V –50 50
mA
Differential short-circuit output EN at 0 V,
I
OS(D)
–12 12
current, |I
OY
– I
OZ
| V
OY
= V
OZ
SN65LVP18/19 Y AND Z OUTPUT CHARACTERISTICS
V
OYH
or
High-level output voltage V
CC
– 1.13 V
CC
– 0.85
V
OZH
3.3 V; 50 Ω from Y and Z
to V
CC
- 2 V
V
OYL
or
Low-level output voltage V
CC
– 1.87 V
CC
– 1.61
V
OZL
V
V
OYL
or 2.5 V; 50 Ω from Y and Z
Low-level output voltage V
CC
– 1.92 V
CC
– 1.61
V
OZL
to V
CC
– 2 V
Differential output voltage
|V
OD
| 0.6 0.8 1
magnitude, |V
OH
– V
OL
|
I
OYZ
or I
OZZ
High-impedance output current EN at V
CC
, V
O
= 0 V or V
CC
–1 1 µA
Q OUTPUT CHARACTERISTICS (see Figure 1 )
V
OH
High-level output voltage No load V
CC
– 0.94 V
GC Tied to GND, No load V
CC
– 1.22
V
OL
Low-level output voltage GC Open, No load V
CC
– 1.52 V
GC Tied to V
CC
, No load V
CC
– 1.82
GC Tied to GND 300
V
O(pp)
Peak-to-peak output voltage GC Open 575 mV
CGT Tied to V
CC
860
(1) Typical values are at room temperature and with a V
CC
of 3.3 V.
(2) Single-ended input operation is limited to V
CC
≥ 3.0 V.
3