PCA9522 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9522 Datasheet PDF : 20 Pages
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NXP Semiconductors
PCA9522
Fast dual bidirectional bus buffer with hot insertion logic
Table 4. Characteristics …continued
Tamb = 40 C to +85 C; voltages are specified with respect to ground (GND).
Symbol
Parameter
Conditions
tidle
td(ENH-RDYoff)
idle time
delay time from EN HIGH
to RDY off
Vbus = VI(EN) = VCC = 3.3 V
Vbus = VI(EN) = VCC = 5.5 V
td(ENL-RDYon) delay time from EN LOW
to RDY on
td(RDYH-I2Con) delay time from
RDY HIGH to I2C on
td(RDYL-I2Coff) delay time from
RDY LOW to I2C off
[1] Guaranteed by design (not subject to test), except for tidle at VCC = 3.3 V.
Min
Typ
Max
Unit
50
95
150
s
50
75
120
s
-
95
-
s
-
1.1
-
s
-
1
-
s
-
0.5
-
s
Vbus
70 % VSxxB
VSxxB
33 %
VCC
30 % VSxxB
VSxxC
td tf
SxxB
SxxC
time
002aaf324
Fig 4. Timing parameters
9.6
ICC
(mA)
8.8
VCC = 5.5 V
3.3 V
125
Voffset
(mV)
100
75
VCC = Vpu = 5 V
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50
25
0
0
2
4
6
8
10
RPU (kΩ)
Fig 5.
Tamb = 25 C; Vbus(in) = 200 mV.
Offset voltage, VO VI
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8.0
7.2
−50
0
Fig 6. Supply current versus temperature
50
100
150
T (°C)
PCA9522
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 September 2011
© NXP B.V. 2011. All rights reserved.
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