L99DZ320 datasheet(33/146 Pages) STMICROELECTRONICS

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Table 29. CAN receiver input characteristics during CAN normal mode

Symbol

Parameter

Test condition

Min. Typ. Max. Unit Item

VTHdom

Differential receiver threshold voltage recessive to

dominant state

-12 V≤ VCANH ≤12 V,

12 V≤ VCANL ≤12 V

0.5

0.9

E.034

Vdom_range Differential dominant input level voltage range

-12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

0.9

E.103

VTHrec

Differential receiver threshold voltage dominant to

recessive state

12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

0.5

0.9

E.035

Vrec_range Differential recessive input level voltage range

-12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

-5

0.5

E.104

Note:

CAN normal mode: tested in TRX ready state while the device is in active mode.

Table 30. CAN receiver input characteristics during CAN low-power mode, biasing inactive

Symbol

Parameter

Test condition

Min. Typ. Max. Unit Item

VTHdomLP

Differential receiver threshold voltage recessive to

dominant state

12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

0.4

1.15

E.038

Vdom_range_LP Differential dominant input level voltage range

-12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

1.15

E.105

VTHrecLP

Differential receiver threshold voltage dominant to

recessive state

12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

0.4

1.15

E.039

Vrec_range_LP Differential recessive input level voltage range

-12 V ≤ VCANH ≤ 12 V,

-12 V ≤ VCANL ≤ 12 V

-5

0.4

E.106

VCANHrecLP

CANH output voltage in recessive state

-0.1

0.1

E.120

VCANLrecLP

CANL output voltage in recessive state

-0.1

0.1

E.121

VDIFF,recOUTLP

Differential output voltage in recessive state:

VCANHrecLP-VCANLrecLP

-0.2

0.2

E.122

Note:

CAN low-power mode, biasing inactive: tested in CAN TRX STDBY (bias off) state while the device is in active

mode, V1_Standby mode and VBAT_Standby mode.

Table 31. CAN receiver input resistance

Symbol

Parameter

Test condition

Min. Typ. Max. Unit Item

Rdiff

Differential internal

resistance

VTXDC = VTXDCHIGH, No load

Rdiff = RCANH + RCANL

-2 V ≤ VCANH ≤ 7 V, -2 V ≤ VCANL ≤ 7 V(1)

100

kΩ

E.040

RCANH, CANL

Single ended internal

resistance

VTXDC = VTXDCHIGH, No load

-2 V ≤ VCANH ≤ 7 V, -2 V ≤ VCANL ≤ 7 V(1)

kΩ

E.041

Internal resistance

matching RCANH,CANL

Biasing active, VTXDC = VTXDCHIGH, no load,

mR = 2 x (RCAN_H - RCAN_L) / (RCAN_H + RCAN_L),

10 kΩ resistor between CANH-CANL pin

with external 5 V

-0.03

0.03

E.042

L99DZ320

Electrical specifications

DS14235 - Rev 5

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