SI3452 SILABS [Silicon Laboratories], SI3452 Datasheet - Page 8
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SI3452
Manufacturer Part Number
SI3452
Description
QUAD HIGH-VOLTAGE PORT CONTROLLER FOR POE AND POE+ PSES
Manufacturer
SILABS [Silicon Laboratories]
Datasheet
1.SI3452.pdf
(36 pages)
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Table 8. Port Measurement and Monitoring Specifications
Si3452/3
Table 9. SMBus (I
VDD = 3.0 to 3.6 V
Table 10. Address Pin Electrical Specifications*
VDD = 3.0 to 3.6 V
8
Description
Port current measurement
offset
Port current measurement
tolerance
Description
Input low voltage
Input high voltage
Output low voltage
Input leakage current
Description
Input low voltage
Input high voltage
Input leakage current
*Note: At power-up, these pins are logic inputs. A 10 k pull up or pull down resistor is used for address selection. After
address recognition, the pins are used for internal communications.
2
C) Electrical Specifications
Symbol
Symbol
Symbol
I
OFFSET
V
%
V
V
I
H
I
V
V
OL
IH
L
IL
TOL
, I
IH
IL
L
SCL, SDA pins over full temp range
I
PORT
20 mA ≤ I
AD0, AD1, AD2, AD3 pins
AD0, AD1, AD2, AD3 pins
AD0, AD1, AD2, AD3 pins
SCL, SDA pins T
Test Conditions
reading, add offset to% of
Test Conditions
driving ≤ 8.5 mA
reading tolerance.
SCL, SDA pins,
Rev. 1.0
SCL, SDA pins
SCL, SDA pins
Test Conditions
PORT
≤ I
CUT
j
< –10 °C
. For final
0.7 x V
Min
–10
—
Min
Min
2.2
–5
–4
—
—
—
DD
Typ
Typ
Typ
—
—
—
—
—
—
—
—
—
Max
0.85
Max
Max
0.8
0.6
0.8
40
10
—
—
5
4
Unit
Unit
Unit
mA
µA
µA
%
V
V
V
V
V