TH8065 Datasheet, PDF (8/40 Pages) Melexis Microelectronic Systems – Voltage Regulator with LIN Transceiver and Watchdog

TH8065
Voltage Regulator with LIN Transceiver and Watchdog
2.3.2. LIN Bus Interface
Parameter
Symbol
Condition
Min
Typ
General
Pull up current BUS (recessive)
IINBUSpu VBUS = 18 V, VSUP = 6V
Pull up resistor BUS
RBUSpu VSUP = 12V, VBUS = 0V
20
30
Reverse current BUS (recessive)
-I_INBUSrev VSUP = 12V, VBUS = 0V
-1
Reverse current BUS (loss of battery) I_{INBUS_lob} VSUP = 0V, 0V ≤ VBUS ≤ 18V
Reverse current BUS (loss of ground) I_{INBUS_log} VSUP= 12V, 0V ≤ VBUS ≤ 18V
-1
Receiver
Receive threshold
Centre point of receive threshold
V_{thr_cnt} = (V_{thr_rec}+V_{thr_dom})/2
Hysteresis of receive threshold
V_{thr_hys} = V_{thr_rec}-V_{thr_dom}
Vthr_rec,
Vthr_dom
Vthr_cnt 7.0 V ≤ VSUP ≤ 18 V
Vthr_hys
0.4
0.475
0.5
0.15
Transmitter
Output voltage BUS (dominant)
Current limitation BUS
VBUSdom_1 IBUS = 40mA
ILIM
VBUS = VSUP, TxD = 0V
41
120
Input TxD
Pull-up resistor
Rpu_TxD
VIN = 0V
9.5
15
Input voltage low TxD
VIL
Input voltage high TxD
VIH
0.7
Output RxD
Output voltage Low RxD
Output voltage High RxD
VOL
IOUT = 1 mA
VOH IOUT = -1 mA
VCC - 0.8
Max Unit T^[1]
20 μA A
47 kΩ A
mA A
20 µA A
1 mA A
0.6
A
0.525 VSUP A
0.175
A
1.2 V A
200 mA A
21 kΩ A
0.3 ^V_CC A
V_{CC A}
0.8 V A
VA
[1] A = 100% serial test, B = Operating parameter, C = only used for data characterization (cpk), D = Value guaranteed by design
TH8065 – Datasheet
3901008065
Page 8 of 40
May 2006
Rev 003