Texas Instruments UC5350N, UC5350D, UC5350DTR Datasheet

UC5350

PRELIMINARY

SLUS258A - MARCH 2000

BLOCK DIAGRAM

FEATURES

•

Pin Compatible with PCA82C250
and DeviceNet, SDS, ISO11898
Compatible

•

High Speed, up to 1Mbps

•

Differential Transmit to the Bus and
Receive from the Bus to the CAN
Controller

•

At Least 110 Nodes Can Be
Connected

•

100V Transient Protection on the
Transmit Output

•

24V Supply Cross Wire Protection
on CANH and CANL

•

No Bus Loading When Powered
Down

• Operates over –40°C to +85°C

• Unitrode DeviceNet ID#107

CAN Transceiver

UDG-96202

DESCRIPTION

The UC5350 Control Area Network Transceiver is designed for industrial
applications employing the CAN serial communications physical layer
per ISO 11898 standard. The device is a high speed transceiver de

-

signed for use up to 1Mbps. Especially designed for hostile environ

­ments, this device features cross wire, loss of ground, over voltage, and
over temperature protections well as a wide common mode range.

The transceiver interfaces the single ended CAN controller with the dif

­ferential CAN bus found in industrial and automotive applications. It op

­erates over the –7V to +12V common mode range of the bus and will
withstand common mode transients of –25V to +18V as well as Schaff

­ner tests. Performance features include high differential input imped

­ance, a symmetrical differential signal driver and very low propogation
delay that improves bus bandwidth and length by reducing reflection and
distortion.

The transceiver operates over a wide temperature range, –40°C to
+85°C and is available in 8-pin SOIC and Dual-in-Line packages.

Inputs System Mode Output Mode Outputs

TXD RS V

CANH -VCANL RXD

0 0 High Speed Dominant 1.5V to 3V 0
1 0 High Speed Recessive –120mV to +12mV 1

High Z 0 High Speed Recessive –120mV to +12mV 1

X 1 Standby High Z 0 at Bus = Dominant

1 at Bus = Recessive

FUNCTIONAL TABLE (VCC = 4.5V to 5.5V)

2

UC5350

CONNECTION DIAGRAM

DIL-8, SOIC-8 (Top View)
N, D Package

ABSOLUTE MAXIMUM RATINGS

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 9V

TXD, RXD, VREF, RS . . . . . . . . . . . . . . . –0.3V to VCC + 0.3V

CANL, CANH

0V < VCC < 5.5V. . . . . . . . . . . . . . . . . . . . . . . . –8V to +36V

Non-Destructive, Non-Operative. . . . . . . . . . . . –8V to +32V

Transient, Schaffner Test (Fig. 1) . . . . . . . . . –150 to +100V

Operating Temperature . . . . . . . . . . . . . . . . . . –40°C to +85°C

Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C

Junction Temperature. . . . . . . . . . . . . . . . . . . –55°C to +150°C

Lead Temperature (Soldering, 10 sec.). . . . . . . . . . . . . +300°C

Crosswire Protection Maximum VBUS . . . . . . . . . . . . . . . . 30V

Bus Differential Voltage* . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V

Cross Wire Protection T

A. . . . . . . . . . . . . . . . . –40°C to 125°C

ELECTRICAL CHARACTERISTICS (Total Device) Unless otherwise stated, the device is disconnected from the bus

line; VCC = 4.5V to 5.5V; 60

in parallel with 100pF load between CANH and CANL; TA = –40°C to +85°C, TA=T

J

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS

Supply Voltage 4.5 5.5 V
Supply Current Dominant, TXD = 1V 70 mA

Recessive, TXD = 4V 9 14 mA

Standby, RS = 4V 1.2 2.0 mA
RS Input Current –10 5 µA
RS Voltage Input = Logic 1 Standby 0.75VCC V
RS Voltage Input = Logic 0 High Speed 0.3VCC V
Transmitter Voltage Input = Logic 1 Transmitter Output Recessive 0.7VCC V
Transmitter Voltage Input = Logic 0 Transmitter Output Dominant 0.3VCC V
Transmitter Current Input at Logic 1 TXD = 4V 30 µA
Transmitter Current Input at Logic 0 TXD = 1V –30 30 µA
Receiver Voltage Output = Logic 1 RXD = –100µA, TXD = 4V VCC –1.25 V
Receiver Voltage Output = Logic 0 RXD = 1mA, TXD = 1V 0.75 1.2 V

RXD = 10mA, TXD = 1V 1.2 1.7 V
CANH, CANL Input Resistance No Load, TXD = 4V 20 40 kΩ
Differential Input Resistance No Load, TXD = 4V 40 80 kΩ
CANH, CANL Input Capacitance (Note 1) 20 pF
Differential Input Capacitance (Note 1) 10 pF
Reference Output Voltage VREF = ±50µA 0.45VCC 0.55VCC V

Note 1: Guaranteed by design.Not 100% tested in production.

See Figure 7 for Pulse Timing

Figure 1. Schaffner Test

UDG-96203-1

Currents are positive into, negative out of the specified
terminal.

Consult Packaging Section of the Databook for thermal
limitations and considerations of packages.

*Refers to Figures 9, 10, 11, 12 and 13.