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IL4822 Datasheet(PDF) 7 Page - NVE Corporation

Part # IL4822
Description  High-Speed Isolated RS-422 / RS-485 Transceivers
PDF  29 Pages
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Manufacturer  NVE [NVE Corporation]
Direct Link  https://www.nve.com/
Logo NVE - NVE Corporation

IL4822 Datasheet(HTML) 7 Page - NVE Corporation

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IL4822 / IL4622 / IL4685
7
NVE Corporation
11409 Valley View Road, Eden Prairie, MN 55344
(952) 829-9217
www.nve.com
YouTube.com/NveCorporation
iso-apps@ www.nve.com
Transceiver Section Power Consumption
Tmin to Tmax; VDD1B = 3 V to 3.45 V unless otherwise specified
Parameter
Symbol
Min.
Typ.(5)
Max.
Units
Test Conditions
Controller-side
Quiescent supply
VDD1B = 3.3 V
VDD1B = 5 V
IDD1B
1
1.7
2
4
mA
No load (RT = ∞);
Outputs Enabled;
fIN = 0 Hz
Bus-side quiescent supply current
IDD2B
4
6
Controller-side dynamic supply current
IDD1B
0.18
mA/Mbps
Bus-side dynamic supply current
IDD2B
0.75
RT = ∞
0.55
RT = 60 Ω
Transceiver power dissipation
IDD1B x VDD1B +
IDD2B x VDD2B
17
mW
RT = ∞; fIN = 0 Hz
150
RT= 60Ω; fIN=40 Mbps;
excludes
RT power dissipation
Transceiver Field Immunity(7)
VDD1B = 3.3 V
Power frequency magnetic immunity
HPF
1500
A/m
50 Hz / 60 Hz
Pulse magnetic field immunity
HPM
2000
A/m
tp = 8 µs
Damped oscillatory magnetic field
HOSC
2000
A/m
0.1 Hz – 1 MHz
Cross-axis immunity multiplier(8)
KX
2.5
DC-to-DC Convertor
Tmin to Tmax and VDD1A = 3.0 V to 3.6 V unless otherwise stated
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Conditions
Output voltage
IL46xx
IL4822
VDD2A
3
4.5
3.3
5
3.45
5.5
V
IDD2A < 65 mA
IDD2A < 40 mA
Output current
(total available to
internal transceiver
and external load)
IL46xx
IDD2A-MAX
65
mA
80
TJ < 85 °C
IL4822
40
50
TJ < 85 °C
Short-circuit protection limited current
115
125
135
mA
Input quiescent supply current
IDD1AQ
200
240
mA
IDD2A = 0
Input supply current
IL46xx
IL4822
IDD1A
380
312
440
360
mA
IDD2A = IDD2A-MAX
Line regulation
ΔVDD2A/ΔVDD1A
32
40
mV/V
25 °C
16
125 °C
Load regulation
ΔVDD2A/VDD2A
5
6
%
IDD2A = 0 to IDD2A-MAX.
Output voltage
temperature coefficient
(ΔVDD2A/VDD2A)/ΔT
0.017
0.03
%/C
IDD2 = 12% x IDD2A-MAX
IDD2 = 60% x IDD2A-MAX
Capacitive load
CDD2A
1000
μF
Output voltage ripple
VDD2BRIPPLE
5
mVP-P
20 MHz bandwidth;
IDD2A = IDD2A-MAX.
1
1 kHz bandwidth;
IDD2A = IDD2A-MAX.
Start-up time
tSU
2
ms
IDD2A = 0
6
IDD2A = IDD2A-MAX
Convertor frequency
fOSC
105
113
120
MHz



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