MAX3158CPI datasheet(3/14 Pages) MAXIM

Part #	MAX3158CPI

Description	High CMRR RS-485 Transceiver with 짹60V Isolation

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Manufacturer	MAXIM [Maxim Integrated Products]

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High CMRR RS-485 Transceiver

with ±60V Isolation

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047µF, C3 = C4 = 1µF, TA = TMIN to TMAX, unless otherwise noted.

Typical values are at VCC = +5V and TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

IIN1

DE, DI, RE

±2

Input Current

IIN2

H/F, TXP, RXP internal pulldown

10

40

µA

DE = GND, VCC = GND or 5.25V, -7V

≤ (VIN -

VISOCOM)

≤ +12V, AR = BR = ISOCOM

-5.0

+8.0

Input Current (A and B)

IIN3

DE = GND, VCC = GND or 5.25V, -7V

≤ (VIN -

VISOCOM)

≤ +12V, AR open, BR open

-0.58

+1.0

mA

DE = GND, VCC = GND or 5.25V, -7V

≤ (VIN -

VISOCOM)

≤ +12V, YR = ZR = ISOCOM

-5.0

+8.0

Output Leakage (Y and Z)

Full Duplex

IO

DE = GND, VCC = GND or 5.25V, -7V

≤ (VIN -

VISOCOM)

≤ +12V, YR open, ZR open

-0.58

+1.0

mA

IOSD1

VISOCOM - 7V

≤ VOUT ≤ VISOVCC

-250

Driver Short-Circuit Output

Current (Note 3)

IOSD2

VISOCOM - 7V

≤ VOUT ≤ VISOCOM + 12V

250

mA

RECEIVER

Receiver Differential Threshold

Voltage

VTH

-7V

≤ VCM - VISOCOM ≤ +12V

-200

-125

-50

mV

Receiver Input Hysteresis

∆VTH

25

mV

Receiver Output High Voltage

VOH

IO = -4mA, VID = -50mV

V CC - 1.5

V

Receiver Output Low Voltage

VOL

IO = 4mA, VID = -200mV

0.4

V

Three-State Output Current at

Receiver

IOZR

0.4V

≤ VO ≤ 2.4V

±1µA

-7V

≤ VCM - VISOCOM ≤ +12V, AR = BR =

ISOCOM

1.5

Receiver Input Resistance

RIN

-7V

≤ VCM - VISOCOM ≤ +12V, AR open,

BR open

12

k

Ω

Receiver Output Short-Circuit

Current

IOSR

0V

≤ VRO ≤ VCC

±7

±100

mA

SUPPLY CURRENT

Supply Current

ICC

No load, RE = DE = DI = GND or VCC

25

85

mA

DE = GND, RE = VCC, VISOCOM = GND

25

60

Supply Current in Shutdown

Mode

ISHDN

DE = GND, RE = VCC, VISOCOM =

±60V

±650

µA

Maximum Ground Differential

∆VGND

DE = GND, RE = VCC,

| ISOCOM leakage |

≤ 650µA

±60

V

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