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 15 of 32
NXP Semiconductors
PCA9570
Remote 4-bit general purpose outputs for 1 MHz I
2
C-bus
a. V
DD
=1.2V b. V
DD
=1.8V
c. V
DD
=2.5V d. V
DD
=3.3V
Fig 19. I/O source current versus HIGH-level output voltage
V
DD
− V
OH
(V)
0 0.60.40.2
aaa-011563
2
4
6
I
source
(mA)
0
T
amb
= −40 °C
25 °C
85 °C
V
DD
− V
OH
(V)
0 0.60.40.2
aaa-011564
6
10
14
I
source
(mA)
0
2
4
8
12
T
amb
= −40 °C
25 °C
85 °C
V
DD
− V
OH
(V)
0 0.60.40.2
aaa-011565
10
25
I
source
(mA)
0
5
15
20
T
amb
= −40 °C
25 °C
85 °C
V
DD
− V
OH
(V)
0 0.60.40.2
aaa-011566
12
24
36
I
source
(mA)
0
T
amb
= −40 °C
25 °C
85 °C
(1) V
DD
= 1.8 V; I
sink
=2mA
(2) V
DD
= 1.8 V; I
sink
= 100 A
Fig 20. LOW-level output voltage versus temperature
40
60
V
OL
(mV)
0
T
amb
(°C)
−40 856010 35−15
aaa-011567
20
(1)
(2)