NCV7321

www.onsemi.com

8

Symbol

Unit

Max

Typ

Min

Conditions

Parameter

LIN TRANSMITTER

VLIN_dom_HiSup

LIN Dominant Output

Voltage

2.0

V

VLIN_REC

LIN Recessive Output

Voltage (Note 16)

V

ILIN_lim

Short Circuit Current

Limitation

40

200

mA

Internal Pull−up

Resistance

20

33

47

k

W

CLIN

Capacitance on Pin

LIN (Note 15)

20

30

pF

LIN RECEIVER

Vbus_dom

Bus Voltage for

Dominant State

0.4

Vbus_rec

Bus Voltage for

Recessive State

0.6

Vrec_dom

Receiver Threshold

LIN Bus Recessive − Dominant

0.4

0.6

Vrec_rec

Receiver Threshold

LIN Bus Dominant − Recessive

0.4

0.6

Vrec_cnt

Receiver Centre

Voltage

(Vrec_dom + Vrec_rec)/2

0.475

0.525

Vrec_hys

Receiver Hysteresis

(Vrec_rec − Vrec_dom)

0.05

0.175

ILIN_off_dom

LIN Output Current,

Bus in Dominant State

Normal Mode, Driver Off;

−1

mA

ILIN_off_dom_slp

LIN Output Current,

Bus in Dominant State

Sleep Mode, Driver Off;

−20

−15

−2

mA

ILIN_off_rec

LIN Output Current,

Bus in Recessive State

Driver Off;

1

mA

ILIN_no_GND

Communication not

Affected

−1

1

mA

LIN Bus Remains

Operational

5

mA

PIN EN

Vil_EN

Low Level Input

Voltage

−0.3

0.8

V

Vih_EN

High Level Input

Voltage

2.0

5.5

V

Rpd_EN

Pull−down Resistance

to Ground

150

350

650

k

W

PIN TxD

Vil_TxD

Low Level Input

Voltage

−0.3

0.8

V

Vih_TxD

High Level Input

Voltage

2.0

5.5

V

Rpd_TxD

Pull−down Resistor on

TxD Pin,

Corresponding to

“Weak Pull−down”

Normal Mode or Sleep Mode or

Standby Mode after Power up or

Standby Mode after LIN Wake−up

150

350

650

k

W

15. Values based on design and characterization. Not tested in production.

16. The voltage drop in Normal mode between LIN and VBB pin is the sum of the diode drop and the drop at serial pull−up resistor. The drop

at the switch is negligible. See Figure 1.