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AD7401A 数据表(PDF) 7 Page - Analog Devices

部件名 AD7401A
功能描述  Isolated Sigma-Delta Modulator
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7401A 数据表(HTML) 7 Page - Analog Devices

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AD7401A
Rev. 0 | Page 7 of 20
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS
This isolator is suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by
means of protective circuits.
Table 5.
Description
Symbol
Characteristic
Unit
INSTALLATION CLASSIFICATION PER DIN VDE 0110
For Rated Mains Voltage ≤ 300 V rms
I to IV
For Rated Mains Voltage ≤ 450 V rms
I to II
For Rated Mains Voltage ≤ 600 V rms
I to II
CLIMATIC CLASSIFICATION
40/105/21
POLLUTION DEGREE (DIN VDE 0110, TABLE 1)
2
MAXIMUM WORKING INSULATION VOLTAGE
VIORM
891
V peak
INPUT-TO-OUTPUT TEST VOLTAGE, METHOD B1
VIORM × 1.875 = VPR, 100% Production Test, tm = 1 sec, Partial Discharge < 5 pC
VPR
1671
V peak
INPUT-TO-OUTPUT TEST VOLTAGE, METHOD A
VPR
After Environmental Test Subgroup 1
1426
V peak
VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC
After Input and/or Safety Test Subgroup 2/ Safety Test Subgroup 3
1069
V peak
VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, tTR = 10 sec)
VTR
6000
V peak
SAFETY-LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE, SEE Figure 4)
Case Temperature
TS
150
°C
Side 1 Current
IS1
265
mA
Side 2 Current
IS2
335
mA
INSULATION RESISTANCE AT TS, VIO = 500 V
RS
>109
Ω
CASE TEMPERATURE (°C)
0
0
350
300
250
200
150
100
50
50
100
150
200
SIDE #1
SIDE #2
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting Values
with Case Temperature per DIN V VDE V 0884-10


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