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SI88240ED-IS Datasheet, PDF (9/48 Pages) Silicon Laboratories – QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER | |||
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Si88x4x
Table 2. Electrical Characteristics1 (Continued)
VIN = 24 V; VDDA = 4.3 V (see Figure 3) for all Si8844x/64x; VDDA = VDDP = 3.0 to 5.5 V (see Figure 2) for all Si8824x/34x;
TA = â40 to 125 °C unless otherwise noted
Parameter
Symbol
Test Condition
Min Typ Max Unit
DC, VDDx = 5 V ± 10%
Si88x40
VDDA
VDDB
VDDA
VDDB
All inputs = 0
â 13.1
mA
All inputs = 0
â
5.6
All inputs = 1
â
5.2
All inputs = 1
â
5.4
Si88x41
VDDA
VDDB
VDDA
VDDB
All inputs = 0
â 11.1
mA
All inputs = 0
â
6.9
All inputs = 1
â
5.7
All inputs = 1
â
5.2
Si88x42
VDDA
VDDB
VDDA
VDDB
All inputs = 0
â 10.1
mA
All inputs = 0
â
7.9
All inputs = 1
â
6.2
All inputs = 1
â
4.4
Si88x43
VDDA
VDDB
VDDA
VDDB
All inputs = 0
â
8.6
mA
All inputs = 0
â
9.2
All inputs = 1
â
6.6
All inputs = 1
â
3.9
Si88x44
VDDA
VDDB
VDDA
VDDB
All inputs = 0
â
6.8
mA
All inputs = 0
â 11.0
All inputs = 1
â
6.7
All inputs = 1
â
3.8
1 Mbps, VDDx = 5 V ± 10% (All Inputs = 500 kHz Square Wave, CLOAD = 15 pF)
Si88x40
VDDA
VDDB
mA
â
9.1
â
5.8
Notes:
1. Over recommended operating conditions as noted in Table 1.
2. VOUT = VSNS x (1 + R1/R2) + R1 x Ioffset
3. VDDP current needed for dc-dc circuits.
4. VDDA current needed for dc-dc circuits.
5. The nominal output impedance of an isolator driver channel is approximately 50 ï, ±40%, which is a combination of the
value of the on-chip series termination resistor and channel resistance of the output driver FET. When driving loads
where transmission line effects will be a factor, output pins should be appropriately terminated with controlled
impedance PCB traces.
6. tPSK(P-P) is the magnitude of the difference in propagation delay times measured between different units operating at
the same supply voltages, load, and ambient temperature.
7. Start-up time is the time period from when the UVLO threshold is exceeded to valid data at the output.
Preliminary Rev. 0.6
9
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