Datasheet

TJA1021 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 7 — 25 March 2011 13 of 25
NXP Semiconductors
TJA1021
LIN 2.1/SAE J2602 transceiver
[1] All parameters are guaranteed over the virtual junction temperature range by design. Factory testing uses correlated test conditions to
cover the specified temperature and power supply voltage range.
[2] Not tested in production; guaranteed by design.
11. Dynamic characteristics
C
LIN
capacitance on pin LIN
[2]
- - 30 pF
V
o(dom)
dominant output voltage Normal mode; V
TXD
= 0 V
V
BAT
=7.0V
--1.4V
Normal mode; V
TXD
= 0 V
V
BAT
=18V
--2.0V
Thermal shutdown
T
j(sd)
shutdown junction
temperature
[2]
150 175 200 C
Table 7. Static characteristics
…continued
V
BAT
= 5.5 V to 27 V; T
vj
=  40  C to +150  C; R
L(LIN-VBAT)
= 500  ; all voltages are defined with respect to ground; positive
currents flow into the IC; typical values are given at V
BAT
= 12 V; unless otherwise specified.
[1]
Symbol Parameter Conditions Min Typ Max Unit
Table 8. Dynamic characteristics
V
BAT
= 5.5 V to 18 V; T
vj
=  40  C to +150  C; R
L(LIN-VBAT)
= 500  ; all voltages are defined with respect to ground; positive
currents flow into the IC; typical values are given at V
BAT
= 12 V; see Figure 6; unless otherwise specified.
[1]
Symbol Parameter Conditions Min Typ Max Unit
Duty cycles
1 duty cycle 1 V
th(rec)(max)
= 0.744  V
BAT
V
th(dom)(max)
= 0.581  V
BAT
t
bit
=50s; V
BAT
=7Vto18V
[2][3][4][7]
0.396 - -
V
th(rec)(max)
=0.76 V
BAT
V
th(dom)(max)
= 0.593  V
BAT
t
bit
=50s; V
BAT
= 5.5 V to 7.0 V
[2][3][4][7]
0.396 - -
2 duty cycle 2 V
th(rec)(min)
= 0.422  V
BAT
V
th(dom)(min)
= 0.284  V
BAT
t
bit
=50s; V
BAT
=7.6Vto18V
[2][4][5][7]
--0.581
V
th(rec)(min)
= 0.41  V
BAT
V
th(dom)(min)
= 0.275  V
BAT
t
bit
=50s; V
BAT
= 6.1 V to 7.6 V
[2][4][5][7]
--0.581
3 duty cycle 3 V
th(rec)(max)
= 0.778  V
BAT
V
th(dom)(max)
= 0.616  V
BAT
t
bit
=96s; V
BAT
=7Vto18V
[3][4][7]
0.417 - -
V
th(rec)(max)
= 0.797  V
BAT
V
th(dom)(max)
= 0.630  V
BAT
t
bit
=96s; V
BAT
=5.5Vto7V
[3][4][7]
0.417 - -
4 duty cycle 4 V
th(rec)(min)
= 0.389  V
BAT
V
th(dom)(min)
= 0.251  V
BAT
t
bit
=96s; V
BAT
=7.6Vto18V
[4][5][7]
--0.590
V
th(rec)(min)
= 0.378  V
BAT
V
th(dom)(min)
= 0.242  V
BAT
t
bit
=96s; V
BAT
= 6.1 V to 7.6 V
[4][5][7]
--0.590
Timing characteristics
t
f
fall time
[2][4]
- - 22.5 s