si8405 Silicon Laboratories, si8405 Datasheet - Page 5

• Manufacturer Part Number: si8405
• Description: Bidirectional I 2c Isolators With Unidirectional Digital Channels
• Manufacturer: Silicon Laboratories

Table 1. Si840x Electrical Characteristics for Bidirectional I
3.0 V < VDD < 5.5 V. TA = –40 to +125 °C. Typical specs at 25 °C
Pulse width distortion
5 V
Side A low to Side B low
Side B low to Side A low
3.3 V
Side A low to Side B low
Side B low to Side A low
Pin capacitance SDAA, SCLA,
SDAB, SDBB
Notes:
1. Does not include current consumed by an isolated digital channel.
2. All voltages are relative to respective ground.
3. V
4. I
5. Side A measured at 0.6 V.
minimum difference between the output logic low level of the driving device and the input logic threshold.
2
IL
CV (Side A) = I
< 0.51 V, V
Parameter
IH
> 0.760 V.
2
CV
5
5
OL
(Side A) – I
2
PWDAB
PWDBA
PWDAB
PWDBA
Symbol
CV
CA
CB
T
(Side A). To ensure no latch-up on a given bus, I
Preliminary Rev. 0.1
No bus capacitance,
Test Condition
See Figure 2
R1 = 1400
R2 = 499
R1 = 806
R2 = 499
2
C Channels
1,2
Min
—
—
—
—
—
—
(Continued)
2
CV (Side A) is the
Typ
–12
–8
10
10
1
4
Si840x
Max
—
—
—
—
—
—
Unit
pF
pF
ns
ns
ns
ns
5