參數(shù)資料
型號: HCPL-7870
英文描述: Isolated 15-bit A/D Converter(隔離15位A/D轉(zhuǎn)換器)
中文描述: 隔離15位A / D轉(zhuǎn)換器(隔離15位的A / D轉(zhuǎn)換器)
文件頁數(shù): 11/30頁
文件大?。?/td> 344K
代理商: HCPL-7870
11
VDE 0884 Insulation Characteristics
Description
Symbol
Characteristic
Unit
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage
300 V
rms
for rated mains voltage
450 V
rms
for rated mains voltage
600 V
rms
Climatic Classification
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
V
IORM
x 1.875 = V
PR
, 100% Production Test with t
m
= 1
sec, Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
IORM
x 1.5 = V
PR
, Type and Sample Test, t
m
= 60 sec,
Partial Discharge < 5 pC
Highest Allowable Overvoltage
(Transient Overvoltage t
ini
= 10 sec)
Safety-Limiting Values–Maximum Values Allowed in the
Event of a Failure, also see Figure 13.
Case Temperature
Input Power
Output Power
Insulation Resistance at T
SI
, V
IO
= 500 V
I - IV
I - III
I - II
40/85/21
2
891
V
IORM
V
PEAK
V
PR
167
V
PEAK
V
PR
1336
V
PEAK
V
IOTM
6000
V
PEAK
T
S
175
80
250
10
9
°
C
mW
mW
I
S, INPUT
P
S, OUTPUT
R
S
*Refer to the optocoupler section of the Optoelectronics Designer's Catalog, under Product Safety Regulations section, (VDE 0884)
for a detailed description of Method a and Method b partial discharge test profiles.
Note:
Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in
application.
Figure 13. Dependence of Safety-
Limiting Values on Temperature.
P
S
T
A
– TEMPERATURE – °C
150
100
50
50
300
100
150
MAX. OPERATING
TEMP. IS 100 °C
0
200
P
Si
, OUTPUT
250
0
200
P
Si
, INPUT
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