ST1480A Просмотр технического описания (PDF) - STMicroelectronics

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ST1480A

3.3V POWERED, 15KV ESD PROTECTED, TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER

STMicroelectronics 

ST1480A

ABSOLUTE MAXIMUM RATINGS

Symbol

VCC

VI

VDI

VDO

VRI

VRO

Parameter

Supply Voltage

Control Input Voltage (RE, DE)

Driver Input Voltage (DI)

Driver Output Voltage (A, B)

Receiver Input Voltage (A, B)

Receiver Output Voltage (RO)

Value

Unit

7

V

-0.3 to 7

V

-0.3 to 7

V

-7.5 to 12.5

V

-7.5 to 12.5

V

-0.3 to (VCC + 0.3)

V

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is

not implied.

ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS

Symbol

Parameter

ESD ESD Protection Voltage

ESD ESD Protection Voltage

Test Conditions

Human Body Model

IEC-1000-4-2 Contact Disharge

Min. Typ. Max. Unit

± 15

KV

±8

KV

ELECTRICAL CHARACTERISTICS

VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

ISUPPLY VCC Power Supply Current No Load, DI=0V or VCC

DE=VCC,

RE=0V or VCC

DE=0V,

RE=0V

1.3

2.2

mA

1.2

1.9

mA

ISHDN Shutdown Supply Current DE=0V, RE=VCC, DI=0V or VCC

0.002 1

µA

LOGIC INPUT ELECTRICAL CHARACTERISTICS

VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VIL Input Logic Threshold Low DE, DI, RE

VIH Input Logic Threshold High DE, DI, RE

IIN1 Logic Input Current

DE, DI, RE

IIN2 Input Current (A, B)

DE=0V, VCC= 0 or 3.6V VIN=12V

VIN=-7V

1.3

0.8

V

2

V

± 2.0 µA

1

mA

0.8 mA

3/16

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