PCA9570

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© NXP Semiconductors N.V. 2014. All rights reserved.

Product data sheet

Rev. 4 — 17 September 2014

11 of 32

NXP Semiconductors

PCA9570

Remote 4-bit general purpose outputs for 1 MHz I2C-bus

10. Limiting values

[1]

If the input and output current ratings are observed, the input negative-voltage and output voltage ratings may be exceeded

11. Thermal characteristics

[1]

The package thermal impedance is calculated in accordance with JESD 51-7.

Table 4.

Limiting values

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

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

0.5

+4

V

VI

input voltage

SCL; SDA

[1]

0.5

+4

V

IIK

input clamping current

SCL; VI <0V

-

18

mA

IOK

output clamping current

P port; VO <0V or VO >VDD

-

18

mA

SDA; VO <0V or VO >VDD

-

18

mA

IO

output current

continuous; P port

-

25

mA

IOL

LOW-level output current

continuous; SDA; VO =0V to VDD

-25

mA

IDD

supply current

continuous through VSS

-100

mA

Tstg

storage temperature

65

+150

C

Tj

junction temperature

-

125

C

Table 5.

Thermal characteristics

Symbol

Parameter

Conditions

Max

Unit

Zth(j-a)

transient thermal impedance

from junction to ambient

TSSOP8 (SOT505-1)

[1] 88

K/W

XQFN8 (SOT1039-1)

[1] 66

K/W

XQFN8 (SOT902-2)

[1] 62

K/W