3

MITSUBISHI

〈DIGITAL ASSP〉

M75176P, M75177P

M75178P, M75179P

RS-485 TRANSCEIVER

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Supply voltage

Differential input voltage

Enable input voltage

Power dissipation (Note 2)

Storage temperature

Unit

V

V

V

mW

°C

Ratings

–0.5 ~ +7

–25 ~ +25

–0.5 ~ +5.5

925

–65 ~ 150

Conditions

°C

75177/178/179

75176/177/178

≥ 25°C, do derating according to the attached thermal derating.

RECOMMENDED OPERATING CONDITIONS

Parameter

Supply voltage

Bus pin voltage (each pin voltage, in-phase input voltage)

Differential input voltage

“H” output current

“L” output current

Operating ambient temperature

Symbol

Max.

5.25

+12

+12

–60

–400

60

8

16

75

Typ.

5

Min.

4.75

–7

–12

0

0

0

0

0

–20

Unit

V

V

V

mA

mA

mA

°C

Limits

Driver

Receiver

Driver

Receiver

Parameter

“H” input voltage

“L” input voltage

Input clamp voltage

Differential output voltage 1

Differential output voltage 2

Differential output voltage variance width

In-phase output voltage

In-phase output voltage variance width

Output current

Off-state output current

“H” input current

“L” input current

Output short-circuit current

Supply voltage

Symbol

Max.

0.8

–1.5

6

5

±0.2

3

±0.2

1

–0.8

±100

±300

20

–400

–250

–150

250

250

48

48

Typ.*

2.42

2.18

2.08

29.5

32.5

Min.

2

1.5

2 (Note 3)

1.5

–1

Unit

V

V

V

V

V

V

V

V

mA

mA

mA

mA

mA

mA

mA

Limits

Test conditions

Ω

See Fig. 1.

Ω

See Fig. 1.

Ω See Fig. 1.

Output disable

No output load

75176

75177/178/179

75177/178

Output enable

Output disable

°C.

≤ 0°C.