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ADUM7703 Datasheet(PDF) 6 Page - Analog Devices

Part No. ADUM7703
Description  16-Bit, Isolated, Sigma-Delta ADC
Download  22 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADUM7703 Datasheet(HTML) 6 Page - Analog Devices

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ADuM7703
Data Sheet
Rev. 0 | Page 6 of 22
DIN V VDE V 0884-10 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 6.
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
CLIMATIC CLASSIFICATION
40/125/21
POLLUTION DEGREE (DIN VDE 0110, TABLE 1)
2
MAXIMUM WORKING INSULATION VOLTAGE
VIORM
1270
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 sec, Partial Discharge < 5 pC
2032
VPEAK
After Input and/or Safety Test Subgroup 2/Safety Test Subgroup 3
VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
1524
VPEAK
HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, tTR = 10 sec)
VIOTM
8000
VPEAK
SURGE ISOLATION VOLTAGE
1.2 μs Rise Time, 50 μs, 50% Fall Time
VIOSM
8000
VPEAK
SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE)1
Case Temperature
TS
150
°C
Side 1 (PVDD1) and Side 2 (PVDD2) Power Dissipation
PSO
16-Lead SOIC_W
1.43
W
8-Lead SOIC_IC
1.19
W
INSULATION RESISTANCE AT TS, VOLTAGE INPUT TO OUTPUT (VIO) = 500 V
RIO
>109
Ω
1 See Figure 3.
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
050
100
AMBIENT TEMPERATURE (°C)
150
200
16-LEAD SOIC_W
8-LEAD SOIC_IC
Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per DIN V VDE V 0884-10


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