PCA9525

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 1 — 25 February 2011

5 of 22

NXP Semiconductors

PCA9525

Simple 2-wire bus buffer

8.

Limiting values

[1]

9.

Characteristics

Table 3.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

[1]

−0.3

+7

V

voltage on any other pin

input/output current

any pin

-

20

mA

total power dissipation

-

300

mW

storage temperature

−55

+125

°C

ambient temperature

operating

−40

+85

°C

Table 4.

Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Power supply

supply voltage

operating

2.7

-

5.5

V

supply current

--1

μA

SCL_IN, SDA_IN = 800 kHz;

[1] -170

-

μA

Buffer ports (SDA_IN, SCL_IN, SDA_OUT, SCL_OUT)

-

-

V

LOW-level input voltage

[2] --0.4

V

[2] --0.5

V

HIGH-level input voltage

[2] 1.2

-

-

V

[2] 2.0

-

-

V

hysteresis of input voltage

[2] 80

-

-

mV

[2] 200

-

-

mV

input leakage current

−1-

+1

μA

output sink current

4-

-

mA

LOW-level output voltage

-

80

300

mV

3

-

mV

Pins SDA_IN, SDA_OUT

direction lock voltage

[2] --1.3

V

[2] --3.0

V

direction unlock voltage

[2] 2.0

-

-

V

[2] 4.8

-

-

V