ST7540 datasheet(7/44 Pages) STMICROELECTRONICS

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ST7540

Electrical data

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Electrical data

3.1

Maximum ratings

3.2

Thermal data

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

Power supply voltage

-0.3 to + 14

VDD

Digital supply voltage

-0.3 to +5.5

SVSS/GND

Voltage between SVSS and GND

-0.3 to +0.3

Digital input voltage

GND - 0.3 to VDD +0.3

Digital output voltage

GND - 0.3 to VDD +0.3

Digital output current

-2 to +2

Vsense,

X2,PA_IN-

,PA_IN+, CL

Voltage range at Vsense, X2, PA_IN-, PA_IN+, CL

Inputs

SVSS - 0.3 to 5.6

RX_IN

Voltage range at RX_IN input

-5.6 to 5.6

TX_OUT, X1

Voltage range at TX_OUT, X1 outputs

SVSS - 0.3 to 5.6

PA_OUT

Voltage range at powered PA_OUT Output

VSS - 0.3 to +VCC +0.3

I(PA_OUT)

Power line driver output current (1)

This current is intended as not repetitive pulse current

650

mArms

Operating ambient temperature

-40 to +85

°C

TSTG

Storage temperature

-50 to 150

°C

RxD,

PA_OUT Pin

Maximum withstanding voltage range

Test condition: CDF-AEC-Q100-002- “Human

Body Model”

Acceptance criteria: “Normal Performance”

±1750

Other pins

±2000

Table 3. Thermal data

Symbol

Parameter

HTSSOP28

Exposed Pad

Unit

RthJA1

Maximum thermal resistance junction-ambient steady

state (1)

Mounted on Multilayer PCB with a dissipating surface on the bottom side of the PCB

° C/W

RthJA2

Maximum thermal resistance junction-ambient Steady

State (2)

It is the same condition of the point above, without any heatsinking surface on the board.

° C/W

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