Datasheet

SN65HVD255
SN65HVD256, SN65HVD257
www.ti.com SLLSEA2C –DECEMBER 2011–REVISED SEPTEMBER 2013
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating conditions, T
A
= –40°C to 125°C (unless otherwise noted). SN65HVD256 device V
RXD
= V
CC
.
PARAMETER TEST CONDITIONS / COMMENT MIN TYP
(1)
MAX UNIT
8.0 DEVICE SWITCHING CHARACTERISTICS
Total loop delay, driver input (TXD) to
8.1 t
PROP(LOOP1)
receiver output (RXD), recessive to 150
dominant
See Figure 13, S = 0 V, R
L
= 60 Ω,
ns
C
L
= 100 pF, C
L_RXD
= 15 pF
Total loop delay, driver input (TXD) to
8.2 t
PROP(LOOP2)
receiver output (RXD), dominant to 150
recessive
Mode change time, from Normal to Silent
8.3 I
MODE
See Figure 12 20 µS
or from Silent to Normal
9.0 DRIVER ELECTRICAL CHARACTERISTICS
9.1 CANH See Figure 3 and Figure 10, TXD = 2.75 4.5
Bus output voltage
V
O(D)
0 V, S = 0 V, R
L
= 60 Ω, C
L
= open, V
(dominant
9.2 CANL 0.5 2.25
R
CM
= open
See Figure 3 and Figure 10, TXD =
9.3 V
O(R)
Bus output voltage (recessive) V
CC
, V
RXD
= V
CC
, S = V
CC
or 0 V
(2)
, 2 0.5×V
CC
3 V
R
L
= open (no load), R
CM
= open
See Figure 3 and Figure 10, TXD =
0 V, S = 0 V, 45 Ω ≤ R
L
≤ 65 Ω, C
L
9.4 1.5 3
= open, R
CM
= 330 Ω, –2 V ≤ V
CM
≤
7 V, 4.75 V≤ V
CC
≤ 5.25 V
V
OD(D)
Differential output voltage (dominant) V
See Figure 3 and Figure 10, TXD =
0 V, S = 0 V, 45 Ω ≤ R
L
≤ 65 Ω, C
L
9.5 1.25 3.2
= open, R
CM
= 330 Ω, –2 V ≤ V
CM
≤
7 V, 4.5V ≤ V
CC
≤ 5.5 V
See Figure 3 and Figure 10, TXD =
9.6 V
CC
, S = 0 V, R
L
= 60 Ω, C
L
= open, –0.12 0.012
R
CM
= open
V
OD(R)
Differential output voltage (recessive) V
See Figure 3 and Figure 10, TXD =
V
CC
, S = 0 V, R
L
= open (no load),
9.7 –0.100 0.050
C
L
= open, R
CM
= open, –40°C ≤ T
A
≤ 85°C
Output symmetry (dominant or
See Figure 3 and Figure 10, S at 0
recessive)
9.8 V
SYM
V, R
L
= 60 Ω, C
L
= open, R
CM
= –0.4 0.4 V
open
(V
CC
– V
O(CANH)
– V
O(CANL)
)
See Figure 3 and Figure 15, V
CANH
9.9 –160
= 0 V, CANL = open, TXD = 0 V
short circuit steady-state output current,
I
OS(SS)_DOM
mA
Dominant
See Figure 3 and Figure 15, V
CANL
=
9.10 160
32 V, CANH = open, TXD = 0 V
See Figure 3 and Figure 15, –20 V ≤
short circuit steady-state output current, V
BUS
≤ 32 V, Where V
BUS
= CANH =
9.11 I
OS(SS)_REC
–8 8 mA
Recessive CANL, TXD = V
CC
, Normal and
Silent Modes
9.12 C
O
Output capacitance See receiver input capacitance
(2) For the bus output voltage (recessive) will be the same if the device is in normal mode with S pin LOW or if the device is in silent mode
with the S pin is HIGH.
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