AMIS-42673 datasheet(6/12 Pages) AMI

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AMIS-42673 High Speed CAN Transceiver

Data Sheet

For Long Networks

8.4 DC Characteristics

VCC = 4.75 to 5.25V; V33 = 2.9V to 3.6V; Tjunc = -40 to +150 °C; RLT = 60Ω unless specified otherwise

Table 6: Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Supply (pin VCC and pin V33)

ICC

Supply current

Dominant;

VTXD = 0V

Recessive;

VTXD = VCC

I33

I/O interface current

V33 = 3.3V; CL = 20pF;

recessive

µA

I33

I/O interface current

(1)

V33 = 3.3V; CL = 20pF;

1Mbps

170

µA

Transmitter Data Input (pin TxD)

VIH

HIGH-level input voltage

Output recessive

2.0

VCC

VIL

LOW-level input voltage

Output dominant

-0.3

+0.8

IIH

HIGH-level input current

VTxD = V33

-1

µA

IIL

LOW-level input current

VTxD = 0V

-50

-200

-300

µA

Input capacitance

(1)

Receiver Data Output (pin RxD)

VOH

HIGH-level output voltage

IRXD = - 10mA

0.7 x V33

0.75 x

V33

VOL

LOW-level output voltage

IRXD = 5mA

0.18

0.35

Ioh

HIGH-level output current

(1)

VRxD = 0.7 x V33

-10

-15

-20

Iol

LOW-level output current

(1)

VRxD = 0.45V

Reference Voltage Output (pin VREF)

VREF

Reference output voltage

-50

µA <

IVREF < +50µA

0.45 x VCC

0.50 x

VCC

0.55 x

VCC

VREF_CM

Reference output voltage for full common-

mode range

-35V <

VCANH < +35V;

-35V <

VCANL < +35V

0.40 x VCC

0.50 x

VCC

0.60 x

VCC

Bus Lines (pins CANH and CANL)

Vo(reces)(CANH)

Recessive bus voltage at pin CANH

VTxD = VCC; no load

2.0

2.5

3.0

Vo(reces)(CANL)

Recessive bus voltage at pin CANL

VTxD = VCC; no load

2.0

2.5

3.0

Io(reces) (CANH)

Recessive output current at pin CANH

-35V <

VCANH < +35V;

0V < VCC < 5.25V

-2.5

+2.5

Io(reces) (CANL)

Recessive output current at pin CANL

-35V <

VCANL < +35V;

0V < VCC < 5.25V

-2.5

+2.5

Vo(dom) (CANH)

Dominant output voltage at pin CANH

VTxD = 0V

3.0

3.6

4.25

Vo(dom) (CANL)

Dominant output voltage at pin CANL

VTxD = 0V

0. 5

1.4

1.75

VTxD = 0V; dominant;

42.5

Ω < RLT < 60Ω

1.5

2.25

3.0

Vi(dif) (bus)

Differential bus input voltage (

VCANH -

VCANL)

VTxD = VCC; recessive;

no load

-120

+50

Io(sc) (CANH)

Short circuit output current at pin CANH

VCANH = 0V;VTxD = 0V

-45

-70

-95

Io(sc) (CANL)

Short circuit output current at pin CANL

VCANL = 36V; VTxD = 0V

120

Vi(dif)(th)

Differential receiver threshold voltage

-5V <

VCANL < +12V;

-5V <

VCANH < +12V;

see Figure 5

0.5

0.7

0.9

Vihcm(dif) (th)

Differential receiver threshold voltage for

high common-mode

-35V <

VCANL < +35V;

-35V <

VCANH < +35V;

see Figure 5

0.25

0.7

1.05

Vi(dif) (hys)

Differential receiver input voltage hysteresis

-35V <

VCANL < +35V;

-35V <

VCANH < +35V;

see Figure 5

100

Ri(cm)(CANH)

Common-mode input resistance at pin CANH

Ω

Ri(cm) (CANL)

Common-mode input resistance at pin

CANL

Ω

Ri(cm)(m)

Matching between pin CANH and pin CANL

common-mode input resistance

VCANH = VCANL

-3

Ri(dif)

Differential input resistance

Ω

AMI Semiconductor – October 07, Rev. 1.0

www.amis.com

Specifications subject to change without notice

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