ADM2486_15 datasheet(6/20 Pages) AD

Part #	ADM2486

Description	High Speed, Half-Duplex Coupler Isolated RS-485 Transceiver

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ADM2486

Data Sheet

Rev. E | Page 6 of 20

ADM2486 CHARACTERISTICS

PACKAGE CHARACTERISTICS

Table 3.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions

Resistance (Input-to-Output)1

RI-O

1012

Ω

Capacitance (Input-to-Output)1

CI-O

3

pF

f = 1 MHz

Input Capacitance2

CI

4

pF

Input IC Junction-to-Case Thermal Resistance

θJCI

33

°C/W

Thermocouple located at center

of package underside

Output IC Junction-to-Case Thermal Resistance

θJCO

28

°C/W

1 Device considered a 2-terminal device: Pin 1 through Pin 8 shorted together, and Pin 9 through Pin 16 shorted together.

2 Input capacitance is from any input data pin to ground.

REGULATORY INFORMATION

The ADM2486 has been approved by the following organizations:

Table 4.

Organization

Approval Type

Notes

UL

Recognized under 1577 component recognition program. File E214100.

In accordance with UL1577, each ADM2486

is proof tested by applying an insulation test

voltage ≥3000 Vrms for 1 sec (current leakage

detection limit = 5 μA).

CSA

Approved under CSA Component Acceptance Notice #5A. File 205078.

IEC 609501 800 Vrms (1131 VPEAK) Basic, 400 Vrms (565 VPEAK) reinforced.

VDE

Certified according to DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12.

File 2471900-4880-0001.

In accordance with VDE V 0884-10, each

ADM2486 is proof tested by applying an

insulation test voltage ≥1050 VPEAK for 1 sec

(partial discharge detection limit = 5 pC).

INSULATION AND SAFETY-RELATED SPECIFICATIONS

Table 5.

Parameter

Symbol

Value

Unit

Conditions

Rated Dielectric Insulation Voltage

2500

V rms

1-minute duration.

Minimum External Air Gap (Clearance)

L(I01)

7.45 minimum

mm

Measured from input terminals to output

terminals, shortest distance through air.

Minimum External Tracking (Creepage)

L(I02)

8.1 minimum

mm

Measured from input terminals to output

terminals, shortest distance along body.

Minimum Internal Gap (Internal Clearance)

0.017 minimum

mm

Insulation distance through insulation.

Tracking Resistance (Comparative Tracking Index)

CTI

>175

V

DIN IEC 112/VDE 0303 Part 1.

Isolation Group

IIIa

Material Group (DIN VDE 0110, 1/89, Table 1).

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