Datasheet

PCA9570 All information provided in this document is subject to legal disclaimers. © 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 I
2
C-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
V
DD
supply voltage 0.5 +4 V
V
I
input voltage SCL; SDA
[1]
0.5 +4 V
I
IK
input clamping current SCL; V
I
<0V - 18 mA
I
OK
output clamping current P port; V
O
<0V or V
O
>V
DD
- 18 mA
SDA; V
O
<0V or V
O
>V
DD
- 18 mA
I
O
output current continuous; P port - 25 mA
I
OL
LOW-level output current continuous; SDA; V
O
=0V to V
DD
-25mA
I
DD
supply current continuous through V
SS
-100mA
T
stg
storage temperature 65 +150 C
T
j
junction temperature - 125 C
Table 5. Thermal characteristics
Symbol Parameter Conditions Max Unit
Z
th(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