Datasheet

TJA1085 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 23 October 2012 38 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
C
i
input capacitance with respect to all other pins at
GND; V
TXD
= 100 mV; f = 5 MHz
[3]
--15pF
R
pu
pull-up resistance to V
BUF
2.5 5 10 k
Pins BP and BM
V
IH(dif)
differential HIGH-level input
voltage
AS_Normal; 10 V  V
cm
 +15 V
[4]
150 - 300 mV
V
IL(dif)
differential LOW-level input
voltage
AS_Normal; 10 V  V
cm
 +15 V
[4]
300 - 150 mV
AS_Standby; AS_Sleep;
10 V  V
cm
 +15 V
[4]
400 - 125 mV
V
i(dif)(H-L)
differential input voltage
difference between
HIGH-level and LOW-level
V
cm
= 2.5 V; AS_Normal
[4]
30 - +30 mV
V
OH(dif)
differential HIGH-level
output voltage
4.75 V  V
BUF
 5.25 V 900 - 2000 mV
4.45 V  V
BUF
 5.25 V 700 - 2000 mV
V
OL(dif)
differential LOW-level output
voltage
4.75 V  V
BUF
 5.25 V 2000 - 900 mV
4.45 V  V
BUF
 5.25 V 2000 - 700 mV
V
o(idle)(BP)
idle output voltage on pin BP Branch_Normal 0.4V
BUF
-0.6V
BUF
V
Branch_LowPower 0.1 - +0.1 V
V
o(idle)(BM)
idle output voltage on pin
BM
Branch_Normal 0.4V
BUF
-0.6V
BUF
V
Branch_LowPower 0.1 - +0.1 V
I
o(idle)BP
idle output current on pin BP 60 V  V
BP
 +60 V; no bus load 7.5 - +7.5 mA
I
o(idle)BM
idle output current on pin BM 60 V  V
BM
 +60 V; no bus load 7.5 - +7.5 mA
V
o(idle)(dif)
differential idle output
voltage
25 0 +25 mV
V
i(dif)det(act)
 activity detection differential
input voltage (absolute
value)
AS_Normal; 10 V  V
cm
 +15 V
[4]
150 - 300 mV
V
cm(bus)(DATA_0)
DATA_0 bus common-mode
voltage
Branch_Transmit 0.4V
BUF
-0.65
V
BUF
V
V
cm(bus)(DATA_1)
DATA_1 bus common-mode
voltage
Branch_Transmit 0.4V
BUF
-0.65
V
BUF
V
R
i
input resistance R
bus
=   10 20 40 k
R
i(dif)(BP-BM)
differential input resistance
between pin BP and pin BM
R
bus
=   20 40 80 k
Z
o(eq)TX
transmitter equivalent output
impedance
C
bus
= 100 pF; R
bus
=40 or
100 
[5]
10 - 600 
C
i(BP)
input capacitance on pin BP with respect to all other pins at
GND; V
BP
= 100 mV; f = 5 MHz
[3]
--15pF
C
i(BM)
input capacitance on pin BM with respect to all other pins at
GND; V
BM
= 100 mV; f = 5 MHz
[3]
--15pF
C
i(dif)(BP-BM)
differential input capacitance
between pin BP and pin BM
V
BP
= 100 mV; V
BM
= 100 mV;
f=5MHz
[3]
--5pF
Table 14. Static characteristics
…continued
All parameters are guaranteed for V
BAT
= 4.45 V to 60 V; V
CC
= 4.45 V to 5.25 V; V
BUF
= 4.45 V to 5.25 V;V
IO
= 2.55 V to
5.25 V; T
vj
=  40  C to +150  C; C
bus
= 100 pF; R
bus
= 40  to 55  ; C
RXD
= 15 pF and C
TRXD0
= C
TRXD1
= 50 pF unless
otherwise specified. All voltages are defined with respect to ground; positive currents flow into the IC.
Symbol Parameter Conditions Min Typ Max Unit