SI8640BA-B-IU Datasheet, PDF (15/42 Pages) Silicon Laboratories – Low-Power Quad-Channel Digital Isolators

Si864x Data Sheet
Electrical Specifications
Table 4.3. Electrical Characteristics ¹
Parameter
Symbol
Test Condition
Min
VDD Undervoltage Threshold
VDD_UV+
V_DD1, V_DD2 rising
1.95
VDD Undervoltage Threshold
VDD_UV–
V_DD1, V_DD2 falling
1.88
VDD Undervoltage Hysteresis
VDD_HYS
50
Positive-Going Input Threshold
VT+
All inputs rising
1.4
Negative-Going Input Threshold
VT–
All inputs falling
1.0
Input Hysteresis
V_HYS
0.38
High Level Input Voltage
V_IH
2.0
Low Level Input Voltage
V_IL
—
High Level Output Voltage
V_OH
loh = –4 mA
V_DD1, V_DD2 – 0.4
Low Level Output Voltage
V_OL
lol = 4 mA
—
Input Leakage Current
Si864xxA/B/C/D
I_L
—
Si864xxT
—
Output Impedance ²
Z_O
—
Enable Input Current
Si864xxA/B/C/D
I_ENH, I_ENL
V_ENx = V_IH or V_IL
—
Si864xxT
—
DC Supply Current (All Inputs 0 V or at Supply)
Si8640Bx, Ex, Si8645Bx
V_DD1
V_DD2
V_DD1
V_I = 0(Bx), 1(Ex)
—
V_I = 0(Bx), 1(Ex)
—
V_I = 1(Bx), 0(Ex)
—
V_DD2
V_I = 1(Bx), 0(Ex)
—
Si8641Bx, Ex
V_DD1
V_DD2
V_DD1
V_I = 0(Bx), 1(Ex)
—
V_I = 0(Bx), 1(Ex)
—
V_I = 1(Bx), 0(Ex)
—
V_DD2
V_I = 1(Bx), 0(Ex)
—
Si8642Bx, Ex
V_DD1
V_DD2
V_DD1
V_I = 0(Bx), 1(Ex)
—
V_I = 0(Bx), 1(Ex)
—
V_I = 1(Bx), 0(Ex)
—
V_DD2
V_I = 1(Bx), 0(Ex)
—
1 Mbps Supply Current (All Inputs = 500 kHz Square Wave, CI = 15 pF on All Outputs)
Typ
2.24
2.16
70
1.67
1.23
0.44
—
—
3.1
0.2
—
—
50
2.0
10.0
1.0
2.4
6.1
2.5
1.4
2.3
5.2
3.6
1.8
1.8
4.4
4.4
Max
2.375
2.325
95
1.9
1.4
0.50
—
0.8
—
0.4
±10
±15
—
—
—
1.6
3.8
9.2
4.0
2.2
3.7
7.8
5.4
2.9
2.9
6.6
6.6
Unit
V
V
mV
V
V
V
V
V
V
V
µA
Ω
µA
mA
mA
mA
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