ST7538Q Просмотр технического описания (PDF) - STMicroelectronics

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производитель

ST7538Q

FSK power line transceiver

STMicroelectronics 

ST7538Q

Electrical characteristics

3.2

Thermal data

Table 3. Thermal data

Symbol

Parameter

TQFP44

with slug

RthJA1

Maximum Thermal Resistance Junction-Ambient

Steady state (1)

35

Maximum Thermal Resistance Junction-Ambient

RthJA2 Steady state (2)

50

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

2. It's the same condition of the point above, without any heatsinking surface on the board.

Unit

° C/W

° C/W

4

Electrical characteristics

Table 4. Electrical characteristics

(AVdd = DVdd = +5V, PAVcc =+9 V, PAVss, SGND = DVss = 0V, -40°C ≤TA ≤ 85°C, TJ < 125 °C, fc = 86kHz,

other control register parameters as default value, unless otherwise specified)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

AVdd, DVdd Supply voltages

4.75

5

5.25

V

PAVCC and DVdd Relation DVdd < 4.75V with 5V

PAVdd - DVdd during Power-Up

Digital supply provided

0.1

Sequence

externally

1.2

V

PAVCC and AVdd Relation

PAVCC - AVdd during Power-Up

AVdd < 4.75V

0.1

Sequence

1.2

V

PAVcc

Power Supply Voltage

Max allowed slope during

Power-Up

7.5

12.5

V

100

V/ms

AIdd + DIdd Input Supply Current

Transmission &

Receiving mode

5

7

mA

I PAVCC

Powered Analog Supply

Current

TX mode (no load)

RX mode

Maximum total current

30

50

mArms

500

1000

µA

370 mArms

UVLO

Input Under Voltage Lock

Out

Threshold on PAVcc

3.7

3.9

4.1

V

UVLOHYS UVLO Hysteresis

340

mV

Digital I/O

Rdown

Rup

Pull Down Resistor

Pull up Resistor

100

kΩ

100

kΩ

9/44

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