SI8451AA-A-IS1R Silicon Laboratories Inc, SI8451AA-A-IS1R Datasheet - Page 5

• Manufacturer Part Number: SI8451AA-A-IS1R
• Description: IC ISOLATOR DGTL 5CH 16SOIC
• Manufacturer: Silicon Laboratories Inc
• Series: ISOpror

Specifications of SI8451AA-A-IS1R

• Inputs - Side 1/side 2: 4/1
• Number Of Channels: 5
• Isolation Rating: 1000Vrms
• Voltage - Supply: 2.7 V ~ 5.5 V
• Data Rate: 1Mbps
• Propagation Delay: 35ns
• Output Type: Tri-State
• Package / Case: 16-SOIC (3.9mm Width)
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. Electrical Characteristics
(V
Parameter
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
Input Leakage Current
Output Impedance
Enable Input High Current
Enable Input Low Current
Si8450Ax, Bx, Si8455Bx
V
V
V
V
Si8451Ax, Bx
V
V
V
V
Si8452Ax, Bx
V
V
V
V
Si8450Ax, Bx, Si8455Bx
V
V
Si8451Ax, Bx
V
V
Si8452Ax, Bx
V
V
Notes:
DD1
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
DD1
DD2
1. The nominal output impedance of an isolator driver channel is approximately 85 , ±40%, which is a combination of
2. t
3. See "3. Errata and Design Migration Guidelines" on page 26 for more details.
4. Start-up time is the time period from the application of power to valid data at the output.
= 5 V±10%, V
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.
the same supply voltages, load, and ambient temperature.
PSK(P-P)
1 Mbps Supply Current (All inputs = 500 kHz square wave, CI = 15 pF on all outputs)
is the magnitude of the difference in propagation delay times measured between different units operating at
DD2
1
= 5 V±10%, T
DC Supply Current (All inputs 0 V or at Supply)
Symbol
A
= –40 to 125 ºC; applies to narrow and wide-body SOIC packages)
V
I
V
I
V
ENH
V
Z
ENL
I
OH
OL
IH
L
IL
O
Test Condition
All inputs 0 DC
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
All inputs 0 DC
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
All inputs 0 DC
All inputs 0 DC
All inputs 1 DC
All inputs 1 DC
loh = –4 mA
V
V
lol = 4 mA
ENx
ENx
Rev. 1.3
= V
= V
IH
IL
V
DD1
,V
Min
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DD2
—
– 0.4
Si8450/51/52/55
Typ
4.8
2.0
2.0
1.6
2.9
7.0
3.1
2.0
3.0
6.0
4.1
2.3
2.7
5.4
4.7
4.3
3.5
4.1
4.0
4.1
4.0
0.2
—
—
—
85
Max
10.5
±10
0.8
0.4
2.4
4.4
4.7
3.0
4.5
9.0
6.2
3.5
4.1
8.1
7.1
6.5
5.3
6.2
6.0
6.2
6.0
—
—
—
—
—
Unit
mA
mA
mA
mA
mA
mA
µA
µA
µA
V
V
V
V

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