TH8065 Datasheet, PDF (10/40 Pages) Melexis Microelectronic Systems – Voltage Regulator with LIN Transceiver and Watchdog

TH8065
Voltage Regulator with LIN Transceiver and Watchdog
Parameter
Symbol
Condition
Min
Typ
Max
LIN transceiver parameter according to LIN Physical Layer Spec. rev. 2.0, table 3.4 (20kbit/s)
Unit T^[1]
Conditions:
Normal slew mode; VSUP =7.0V to 18V; BUS loads: 1kΩ/1nF; 660Ω/6.8nF; 500Ω/10nF
TxD signal: tBit = 50µs, twH = TwL = tBit; trise = tfall < 100ns
Minimal recessive bit time ^[2]
trec(min)
40
50
58
Maximum recessive bit time ^[2]
trec(max)
40
50
58
Duty cycle 1
D1
D1 = trec(min) / (2*tBit)
0.396
µs
µs
A
Duty cycle 2
D2
D2 = trec(max) / (2*tBit)
0.581
A
LIN transceiver parameter according to LIN Physical Layer Spec. rev. 2.0, table 3.4 (10.4kbit/s)
Conditions:
Low slew mode; VSUP =7.0V to 18V; BUS loads: 1kΩ/1nF; 660Ω/6.8nF; 500Ω/10nF
TxD signal: tBit = 96µs, twH = TwL = tBit; trise = tfall < 100ns
Minimal recessive bit time ^[2]
trec(min)
80
96
113
Maximum recessive bit time ^[2]
trec(max)
80
96
113
Duty cycle 1
D1
D1 = trec(min) / (2*tBit)
0.417
µs
µs
A
Duty cycle 2
D2
D2 = trec(max) / (2*tBit)
0.590
A
LIN transceiver parameter according to SAE J2602 (10.4kbit/s)
Conditions:
Low slew mode; VSUP =7.0V to 18V; BUS loads: 1kΩ/1nF;660Ω/6.8nF;500Ω/10nF
TxD signal: tBit = 96µs, twH = TwL = tBit; trise = tfall < 100ns
Minimal recessive delay TxD -> BUS ^[2]
tx_rec_min
48
µs
Maximum recessive delay TxD -> BUS ^[2]
tx_rec_max
48
µs
Minimal dominant delay TxD -> BUS ^[2]
tx_dom_min
48
µs
Maximum dominant delay TxD -> BUS ^[2]
tx_dom_max
48
µs
Maximum rec. to dom. delay
Tr_d_max tx_rec_max - tx_dom_min
15.9 µs A
Maximum dom. to rec. delay
Td_r_max tx_dom_max - tx_rec_min
17.2 µs A
[1] A = 100% serial test, B = Operating parameter, C = only used for data characterization (cpk), D = Value guaranteed by design
[2] See chapter 2.5 Timing Diagrams
TH8065 – Datasheet
3901008065
Page 10 of 40
May 2006
Rev 003