AD7401_0612 Datasheet, PDF (5/20 Pages) Analog Devices – Isolated Sigma-Delta Modulator

AD7401
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 3.
Parameter
Input-to-Output Withstand Momentary Withstand Voltage
Minimum External Air Gap (Clearance)
Minimum External Tracking (Creepage)
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Isolation Group
Symbol Value
Unit Conditions
VISO
3750 min V
1-minute duration
L(I01)
7.46 min mm Measured from input terminals to output
terminals, shortest distance through air
L(I02)
8.1 min
mm Measured from input terminals to output
terminals, shortest distance path along body
0.017 min mm Insulation distance through insulation
CTI
>175
V
DIN IEC 112/VDE 0303 Part 1
IIIa
Material Group (DIN VDE 0110, 1/89, Table I)
REGULATORY INFORMATION
Table 4.
UL ¹
Recognized under 1577
Component Recognition Program¹
3750 V rms Isolation Voltage
File E214100
CSA
Approved under CSA Component
Acceptance Notice #5A
Reinforced insulation per
CSA 60950-1-03 and IEC 60950-1,
630 V rms maximum working
voltage
File 205078
VDE ²
Certified according to DIN EN 60747-5-2
(VDE 0884 Part 2): 2003-01²
Basic insulation, 891 V peak
Complies with DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01,
DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000
Reinforced insulation, 891 V peak
File 2471900-4880-0001
1 _{In accordance with UL 1577, each AD7401 is proof tested by applying an insulation test voltage ≥ 4500 V rms for 1 second (current leakage detection limit = 7.5 μA).}
2 _{In accordance with DIN EN 60747-5-2, each AD7401 is proof tested by applying an insulation test voltage ≥ 1671 V peak for 1 second (partial discharge detection}
limit = 5 pC).
Rev. A | Page 5 of 20