ISO1640BDR datasheet(12/46 Pages) TI

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6.9 Electrical Characteristics

over recommended operating conditions, unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SIDE 1

VILT1

Voltage input threshold low

(SDA1 and SCL1)

480

560

VIHT1

Voltage input threshold high

(SDA1 and SCL1)

520

620

VHYST1

Voltage input hysteresis

VIHT1 – VILT1

VOL1

Low-level output voltage(1)

(SDA1 and SCL1)

0.5 mA ≤ (ISDA1 and ISCL1) ≤ 3.5 mA

570

650

710

ΔVOIT1

Low-level output voltage to high-level input

voltage threshold difference, SDA1 and

SCL1(2) (3)

0.5 mA ≤ (ISDA1 and ISCL1) ≤ 3.5 mA

SIDE 2

VILT2

Voltage input threshold low

(SDA2 and SCL2)

0.3 × VCC2

0.4 × VCC2

VIHT2

Voltage input threshold high

(SDA2 and SCL2)

0.4 × VCC2

0.5 × VCC2

VHYST2

Voltage input hysteresis

VIHT2 – VILT2

0.05 × VCC2

VOL2

Low-level output voltage

(SDA2 and SCL2)

0.5 mA ≤ (ISDA2 and ISCL2) ≤ 50 mA

0.4

BOTH SIDES

|II|

Input leakage currents

(SDA1, SCL1, SDA2, and SCL2)

VSDA1, VSCL1 = VCC1,

VSDA2, VSCL2 = VCC2

0.01

µA

Input capacitance to local ground

(SDA1, SCL1, SDA2, and SCL2)

VI = 0.4 × sin(2e6*πt) + VDDx / 2

CMTI

Common-mode transient immunity

VCM = 1000 V, see Common-Mode

Transient Immunity Test Circuit

100

kV/µs

GPIO Channels

VIOOH

High-level output voltage

VCCx = 5 V, IOH = -4 mA; See TBD.

ISO1644 only

VCCO - 0.4

VCCx = 3.3 V, IOH = -2 mA; See TBD.

ISO1644 only

VCCO - 0.3

VCC1 = 2.5 V, IOH = -1 mA; See TBD.

ISO1644 only

VCCO - 0.2

VIOOL

Low-level output voltage

VCCx = 5 V, IOH = 4 mA; See TBD. ISO1644

only

0.4

VCCx = 3.3 V, IOH = 2 mA; See TBD.

ISO1644 only

0.3

VCC1 = 2.5 V, IOH = 1 mA; See TBD.

ISO1644 only

0.2

VIT+(IN)

Rising input switching threshold

ISO1644 only

0.7 x VCCI (1)

VIT-(IN)

Falling input switching threshold

ISO1644 only

0.3 x VCCI

VI(HYS)

Input threshold voltage hysteresis

ISO1644 only

0.1 x VCCI

IIH

High-level input current

VIH = VCCI (1) at INx ISO1644 only

µA

IIL

Low-level input current

VIL = 0 V at INx ISO1644 only

-10

µA

(1)

This parameter does not apply to the SCL1 line of the ISO1641 device because it is unidirectional.

(2)

∆VOIT1 = VOL1 – VIHT1. This value represents the minimum difference between a threshold for the low-level output voltage and

a threshold for the high-level input voltage to prevent a permanent latch condition that would otherwise occur with bidirectional

communication.

(3)

Any supply voltages on either side that are less than the minimum value make sure that the device does a lockout. Both supply

voltages that are greater than the maximum value keep the device from a lockout.

ISO1640, ISO1641, ISO1644

SLLSFC2C – MAY 2021 – REVISED JUNE 2021

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