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AD7403BRIZ-RL7 Datasheet(PDF) 8 Page - Analog Devices

Part No. AD7403BRIZ-RL7
Description  16-Bit, Isolated Sigma-Delta Modulator
Download  25 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7403BRIZ-RL7 Datasheet(HTML) 8 Page - Analog Devices

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Data Sheet
AD7403
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 7.
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 IV
For Rated Mains Voltage ≤600 V rms
I to IV
For Rated Mains Voltage ≤1000 V rms
I to IV
CLIMATIC CLASSIFICATION
40/105/21
POLLUTION DEGREE (DIN VDE 0110, TABLE 1)
2
MAXIMUM WORKING INSULATION VOLTAGE
VIORM
1250
VPEAK
INPUT TO OUTPUT TEST VOLTAGE, METHOD B1
VIORM × 1.875 = VPR, 100% Production Test, tm = 1 Second, Partial Discharge < 5 pC
VPD(M)
2344
VPEAK
INPUT TO OUTPUT TEST VOLTAGE, METHOD A
VPR(M)
After Environmental Test Subgroup 1
VIORM × 1.6 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC
2000
VPEAK
After Input and/or Safety Test Subgroup 2/ Safety Test Subgroup 3
VIORM × 1.2 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC
1500
VPEAK
HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, tTR = 10 Seconds)
VIOTM
8000
VPEAK
SURGE ISOLATION VOLTAGE
VIOSM
VPEAK
1.2 µs Rise Time, 50 μs, 50% Fall Time
12000
VPEAK
SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE, SEE Figure 3
AND Figure 4)
Case Temperature
TS
150
°C
Side 1 (PVDD1) and Side 2 (PVDD2) Power Dissipation
PSO
AD7403
2.78
W
AD7403-8
1.19
W
INSULATION RESISTANCE AT TS, VIO = 500 V
RIO
>109
0
1
2
3
4
0
50
100
150
200
AMBIENT TEMPERATURE (°C)
Figure 3. AD7403 Thermal Derating Curve, Dependence of Safety Limiting
Values with Case Temperature per DIN V VDE V 0884-10
AMBIENT TEMPERATURE (°C)
0
0
1
2
50
100
150
200
Figure 4. AD7403-8 Thermal Derating Curve, Dependence of Safety Limiting
Values with Case Temperature per DIN V VDE V 0884-10
Rev. B | Page 7 of 24


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