Datasheet
SN65HVD252
SN65HVD253
www.ti.com
SLLSE37 –JUNE 2010
RECEIVER ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IT+
Positive-going input threshold voltage 800 900
V
IT–
Negative-going input threshold voltage –5 V < V
CM
< 10 V 500 650 mV
V
hys
Hysteresis voltage (V
IT+
– V
IT–
) 140 160
I
O
= –2 mA 2.4 3.3 3.7
V
OH
High-level output voltage V
I
O
= –20 µA 2.7 3.3 3.7
V
OL
Low-level output voltage I
O
= 2 mA 0.1 0.2 V
I
BL(off)
Bus leakage current, with power off Vcc at 0 V –600 600
CANH or CANL,
µA
TXD or S pin at
Other bus pin at 0 V
I
BL
Bus leakage current, in silent mode or recessive state –600 600
V
CC
C
I
Input capacitance to ground, (CANH or CANL) V
I
= 0.4 sin (4E6pt) + 2.5 V 20 pF
C
ID
Differential input capacitance V
I
= 0.4 sin (4E6pt) 7 pF
R
ID
Differential input resistance TXD at 3 V, S at 0 V 30 60 80 kΩ
R
IN
Input resistance, (CANH or CANL) 15 30 40 kΩ
Input resistance matching
R
I(M)
V
CANH
= V
CANL
–3% 0% 3%
[1 – (R
IN (CANH)
/ R
IN (CANL)
)] × 100%
(1) All typical values are at 25°C with V
CC
= 5 V.
RECEIVER SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
pRH
Propagation delay time, recessive input to high output 55 80
t
pDL
Propagation delay time, dominant input to low output 50 80
See Figure 2, C
L
= 15 pF,
ns
AB = 0 V or V
CC
(HVD253)
t
r
Output signal rise time, 10% to 90% 20
t
f
Output signal fall time, 90% to 10% 20
DRIVER-TO-RECEIVER LOOP-SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Recessive to
t
loop1
40 90 140
See Figure 4, S at 0 V, AB at 0 V,
Total loop delay, driver input
dominant
ns
to receiver output
R
L
= 60 Ω, C
LD
= 100 pF, C
L
= 15 pF
t
loop2
Dominant to recessive 40 105 140
See Figure 5, S at 0 V, AB = V
CC
,
Loopback delay, driver input to receiver output
t
AB1
20 40 ns
(HVD253 only)
R
L
= 60 Ω, C
LD
= 100 pF, C
L
= 15 pF
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