SN65HVD257DR datasheet(10/28 Pages) TI

Part #	SN65HVD257DR

Description	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features

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Manufacturer	TI [Texas Instruments]

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SN65HVD255

SN65HVD256, SN65HVD257

SLLSEA2C – DECEMBER 2011 – REVISED SEPTEMBER 2013

www.ti.com

ELECTRICAL CHARACTERISTICS

Over recommended operating conditions, TA = –40°C to 125°C (unless otherwise noted). SN65HVD256 device VRXD = VCC.

PARAMETER

TEST CONDITIONS / COMMENT

MIN

TYP(1)

MAX UNIT

4.0

SUPPLY CHARACTERISTICS

Normal Mode

See Figure 10, TXD = 0 V, RL = 50

4.1

60

85

(Driving Dominant)

Ω, CL = open, RCM = open, S = 0V

Normal Mode

See Figure 10, TXD = 0 V, S = 0V,

(Driving

4.2

CANH = -12V, RL = open, CL =

130

180

Dominant – bus

open, RCM = open

fault)

See Figure 10, TXD = 0 V, RL =

Normal Mode

open (no load), CL = open, RCM =

4.3

ICC

5-V Supply current

10

20

mA

(Driving Dominant)

open,

S = 0V

See Figure 10, TXD = VCC, RL = 50

Normal Mode

4.4

Ω, CL = open, RCM = open,

10

20

(Recessive)

S = 0V

See Figure 10, TXD = VCC, RL = 50

4.5

Silent Mode

Ω,CL = open, RCM = open,

2.5

5

S = VCC

RXD Supply

current

4.6

IRXD

All modes

RXD Floating, TXD = 0V

500

µA

(SN65HVD256

only)

Undervoltage detection on VCC for

4.7

UVVCC

3.5

4.45

V

protected mode

4.8

VHYS(UVVCC) Hysteresis voltage on UVVCC

200

mV

Undervoltage detection on VRXD for

4.9

UVRXD

1.3

2.75

V

protected mode (SN65HVD256 only)

Hysteresis voltage on UVRXD

4.10

VHYS(UVRXD)

80

mV

(SN65HVD256 only)

5.0

S PIN (MODE SELECT INPUT)

5.1

VIH

HIGH-level input voltage

2

V

5.2

VIL

LOW-level input voltage

0.8

V

5.3

IIH

HIGH-level input leakage current

S = VCC = 5.5 V

7

100

µA

5.4

IIL

Low-level input leakage current

S = 0 V, VCC = 5.5 V

–1

0

1

µA

5.5

ILKG(OFF)

Unpowered leakage current

S = 5.5 V, VCC = 0 V, VRXD = 0 V

7

35

100

µA

6.0

TXD PIN (CAN TRANSMIT DATA INPUT)

6.1

VIH

HIGH level input voltage

2

V

6.2

VIL

LOW level input voltage

0.8

V

6.3

IIH

HIGH level input leakage current

TXD = VCC = 5.5 V

–2.5

0

1

µA

6.4

IIL

Low level input leakage current

TXD = 0 V, VCC = 5.5 V

–100

-25

–7

µA

6.5

ILKG(OFF)

Unpowered leakage current

TXD = 5.5 V, VCC = 0 V, VRXD = 0 V

–1

0

1

µA

6.6

CI

Input Capacitance

3.5

pF

7.0

RXD Pin (CAN RECEIVE DATA OUTPUT)

See Figure 11, IO = –2 mA. For

7.1

VOH

HIGH level output voltage

devices with VRXD supply VOH = 0.8

0.8×VCC

V

× VRXD

7.2

VOL

LOW level output voltage

See Figure 11, IO = 2 mA

0.4

V

7.3

ILKG(OFF)

Unpowered leakage current

RXD = 5.5 V, VCC = 0 V, VRXD = 0 V

–1

0

1

µA

7.4

tR

Output signal rise time

See Receiver Rise Time

7.5

tF

Output signal fall time

See Receiver Fall Time

(1)

All typical values are at 25°C and supply voltages of VCC = 5 V and VRXD = 5 V, RL = 60 Ω.

10

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