ADuM1253

Ultra-Low-Power, I2C Isolator with

Unidirectional SCL, Extended VDD,

Idle-Bus Hot-Swap, and Low VOL

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Analog Devices | 13

8-Lead Wide SOIC (21-100415) Isolation Characteristics

PARAMETER

SYMBOL

CONDITIONS

VALUE

UNITS

CLASSIFICATIONS

Overvoltage Category per IEC60664-

1

r rate mains v ltage ≤ 150 VRMS

I to IV

—

r rate mains v ltage ≤ 300 VRMS

I to IV

—

r rate mains v ltage ≤ 600 VRMS

I to IV

—

Climatic Classification

40/125/21

—

Pollution Degree

Per DIN VDE V 0110 (refer to Table 1 of the DIN VDE

standard)

2

—

VOLTAGE

Maximum Working Isolation Voltage

VIOWM

Continuous RMS voltage (Note 1)

848

VRMS

Maximum Repetitive Isolation Voltage

VIORM

(Note 1)

1200

VPEAK

Maximum Transient Isolation Voltage

VIOTM

t = 1s (Note 1)

7070

VPEAK

Maximum Withstanding Isolation

Voltage

VISO

fTEST = 60Hz, duration = 60s (Note 1, Note 2)

5000

VRMS

Maximum Surge Isolation Voltage,

Reinforced

VIOSM

Test method per IEC 60065, VTEST =

1.6 x VIOSM = 10000VPEAK (Note 1, Note 4)

6250

VPEAK

Maximum Impulse Voltage

VIMP

Tested in air, 1.2µs/50µs waveform per IEC 62368-1

8000

VPEAK

Input to Output Test Voltage

VPR

2250

VPEAK

Apparent Charge

qpd

Method B1, VPR =1.875 x VIORM, t = 1s

5

pC

PACKAGE CHARACTERISTICS

External Clearance

CLR

Measured from input terminals to output terminals,

shortest distance through air

8

mm

External Creepage

CPG

Measured from input terminals to output terminals,

shortest distance along body

8

mm

Internal Clearance

DTI

Distance through insulation

21

µm

Comparative Tracking Index

CTI

> 600

V

Material Group

Material group (IEC 60112)

I

—

Resistance (Input to Output)

RIO

VIO = 500V, TA = +25°C (Note 3)

1012

Ω

VIO = 500V, +100°C ≤ TA ≤ +125°C Note 3)

1011

Ω

RIO_S

VIO = 500V, TS = +150°C (Note 3)

109

Ω

Capacitance (Input to Output)

CIO

fTEST = 1MHz (Note 3)

1.5

pF

SAFETY LIMITING VALUES

Maximum Ambient Safety

Temperature

TS

150

°C

Maximum Input Power Dissipation

PSI

θJA = 170°C/W, TJ = +150°C, TA = +25°C

735

mW

Maximum Output Current

ISO

θJA = 170°C/W, TJ = +150°C, TA = +25°C, VDD =

5.5V

133

mA

θJA = 170°C/W, TJ = +150°C, TA = +25°C, VDD =

3.6V

204

mA

θJA = 170°C/W, TJ = +150°C, TA = +25°C, VDD =

2.75V

267

mA

θJA = 170°C/W, TJ = +150°C, TA = +25°C, VDD =

1.89V

388

mA

Note 1: VISO, VIOTM, VIOWM, VIORM and VIOSM are defined by the IEC 60747-17 standard.

Note 2: Product is qualified at VISO for 60s and 100% production tested at 120% of VISO for 1s.

Note 3: Device is measured as a 2-terminal device with Pin 1 through Pin 4 connected and Pin 5 through Pin 8 connected.

Note 4: Devices are immersed in oil during surge characterization.