33912 datasheet(13/47 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33912

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

LIN PHYSICAL LAYER, TRANSCEIVER (LIN)(39)

Output Current Limitation

Dominant State, VBUS = 18V

IBUSLIM

120

200

Leakage Output Current to GND

Dominant State; VBUS = 0V; VBAT = 12V

Recessive State; 8V

< V

BAT < 18V; 8V < VBUS < 18V; VBUS ≥ VBAT

GND Disconnected; GNDDEVICE = VSUP; VBAT = 12V; 0 < VBUS < 18V

VBAT Disconnected; VSUP_DEVICE = GND; 0 < VBUS < 18V

IBUS_PAS_dom

IBUS_PAS_REC

IBUS_NO_GND

IBUS

-1.0

–

-1.0

–

1.0

100

µA

Receiver Input Voltages

Receiver Dominant State

Receiver Recessive State

Receiver Threshold Center (VTH_DOM + VTH_REC)/2

Receiver Threshold Hysteresis (VTH_REC - VTH_DOM)

VBUSDOM

VBUSREC

VBUS_CNT

VHYS

–

0.6

0.475

–

0.5

–

0.4

–

0.525

0.175

VSUP

LIN Transceiver Output Voltage

Recessive State, TXD HIGH, IOUT = 1.0µA

Dominant State, TXD LOW, 500

Ω External Pull-up Resistor, LDVS = 0

Dominant State, TXD LOW, 500

Ω External Pull-up Resistor, LDVS = 1

VLIN_REC

VLIN_DOM_0

VLIN_DOM_1

VSUP -1.0

–

1.1

1.7

–

1.4

LIN Pull-up Resistor to VSUP

RSLAVE

Ω

Over-temperature Shutdown(40)

TLINSD

150

165

180

°C

Over-temperature Shutdown Hysteresis

TLINSD_HYS

–

°C

Notes

39.

Parameters guaranteed for 7.0V

≤ V

SUP ≤ 18V.

40.

When over-temperature shutdown occurs, the LIN bus goes in recessive state and the flag LINOT in LINSR is set.

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 5.5V

≤ V

SUP ≤ 18V, -40°C ≤ TA ≤ 125°C for the 33912 and -40°C ≤ TA ≤ 85°C for the

34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal

conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

33912 Datasheet(PDF) 13 Page - Freescale Semiconductor, Inc

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