AS8530-ASOT datasheet(8/32 Pages) AMSCO

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AS8530

Datasheet - Electrical Character i s t ics

6.5 LIN Transceiver

6.5.1 DC Electrical Characteristics

(4.5V < VCC < 5.5V; 6V < VSUP < 18V; -40°C < TJ < 150°C, VBUS is the voltage on the LIN node. All voltages are with respect to ground (VSS);

positive current flows into the pin.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Driver

Ibus_lim

Current limitation in Dominant State

LIN = VSUP_max

1. This failure condition triggers thermal shut down when shut down temperature threshold is exceeded.

120

200

LIN_VOL

Output Voltage BUS (dominant state),

ILIN = 40mA

(short-circuit condition tested at VOL = 2.5V)

Pull-up resistor

Normal mode

(recessive BUS level on TX pin)

Ibus_leak_rec

Driver OFF;

VSUP = 7.0V, 8V < VBUS < 18

µA

Receiver

Ibus_leak_dom

Input Leakage current at receiver

Driver OFF; Vbus = 0V; VSUP = 12V;

VCC = 5V

-1

Ibus_no_GND

VSS = VSUP; VSUP = 12V;

0V < VBUS < 18V, VCC = 5V

-1

Ibus_no_bat

VSUP = VSS;

0V < VBUS < 18V, VCC = VSS

2. Not production tested.

100

µA

Vbus_dom

0.4

VSUP

Vbus_rec

0.6

VSUP

Vbus_cnt

Vbus_cnt = (Vth_dom + Vth_rec)/2

3. Vth_dom: Receiver threshold of the recessive to dominant LIN bus edge

Vth_rec : Receiver threshold of the dominant to recessive LIN bus edge

0.475

0.525

VSUP

Vhys

Vhys = (Vth_dom – Vth_rec)

0.05

0.175

VSUP

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