PCA9555A 查看數據表（PDF） - NXP Semiconductors.
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PCA9555A Datasheet PDF : 39 Pages
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NXP Semiconductors
PCA9555A
Low-voltage 16-bit I2C-bus I/O port with interrupt and weak pull-up
12.1 Typical characteristics
20
IDD
(μA)
16
12
8
VDD = 5.5 V
5.0 V
3.6 V
3.3 V
2.5 V
2.3 V
002aah333
4
0
−40
−15
10
VDD = 1.8 V
1.65 V
35
60
85
Tamb (°C)
Fig 19. Supply current versus ambient temperature
20
IDD
(μA)
16
002aah335
12
8
4
0
1.5
2.5
3.5
4.5
5.5
VDD (V)
Tamb = 25 C
Fig 21. Supply current versus supply voltage
1400
IDD(stb)
(nA)
1000
800
600
400
200
0
−40
VDD = 5.5 V
5.0 V
3.6 V
3.3 V
2.5 V
2.3 V
1.8 V
1.65 V
−15
10
35
002aah334
60
85
Tamb (°C)
Fig 20. Standby supply current versus
ambient temperature
1.2
IDD
(mA)
0.8
Tamb = −40 °C
25 °C
85 °C
002aah336
0.4
0
0
4
8
12
16
number of I/O held LOW
Fig 22. Supply current versus number of I/O held LOW
PCA9555A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 11 September 2012
© NXP B.V. 2012. All rights reserved.
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