參數(shù)資料
型號: ADM2485BRWZ
廠商: Analog Devices Inc
文件頁數(shù): 18/20頁
文件大?。?/td> 0K
描述: IC TXRX ISOLATED RS-485 16-SOIC
產(chǎn)品培訓(xùn)模塊: iCoupler Digital Isolater Technology
設(shè)計(jì)資源: Half-Duplex, Isolated RS-485 Interface (CN0031)
標(biāo)準(zhǔn)包裝: 47
系列: iCoupler®
類型: 收發(fā)器,隔離式
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: RS422/RS485
電源電壓: 3.3V,5V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 管件
產(chǎn)品目錄頁面: 790 (CN2011-ZH PDF)
ADM2485
Rev. A | Page 7 of 20
VDE 0884-2 INSULATION CHARACTERISTICS
This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data must be ensured by
means of protective circuits.
An asterisk (*) on packages denotes DIN V VDE V 0884-10 approval.
Table 6.
Description
Symbol
Characteristic
Unit
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
≤150 V rms
I to IV
≤300 V rms
I to III
≤400 V rms
I to II
Climatic Classification
40/85/21
Pollution Degree (DIN VDE 0110: 1989-01, Table 1)
2
Maximum Working Insulation Voltage
VIORM
560
V peak
Input-to-Output Test Voltage
VPR
Method B1: VIORM × 1.875 = VPR, 100% Production Tested, tm = 1 sec, Partial Discharge < 5 pC
1050
V peak
Method A (After Environmental Tests, Subgroup 1): VIORM × 1.6 = VPR, tm = 60 sec,
Partial Discharge <5 pC
896
V peak
Method A (After Input and/or Safety Test, Subgroup 2/3): VIORM × 1.2 = VPR, tm = 60 sec,
Partial Discharge <5 pC
672
V peak
Highest Allowable Overvoltage1
VTR
4000
V peak
Safety-Limiting Values2
Case Temperature
TS
150
°C
Input Current
IS, INPUT
265
mA
Output Current
IS, OUTPUT
335
mA
Insulation Resistance at TS3
RS
>109
Ω
1 Transient overvoltage, tTR = 10 sec.
2 The safety-limiting value is the maximum value allowed in the event of a failure. See Figure 14 for the thermal derating curve.
3 VIO = 500 V.
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