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參數(shù)資料
| 型號(hào)： | ADM2491EBRWZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX ISO RS-485 HS ESD 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 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 V ~ 5.5 V |
| 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 W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 790 (CN2011-ZH PDF) |
ADM2491E
Rev. B | Page 5 of 16
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 5.
Parameter
Symbol
Value
Unit
Conditions
Rated Dielectric Insulation Voltage
5000
V rms
1 minute duration
Minimum External Air Gap (Clearance)
L(I01)
7.7
mm min
Measured from input terminals to output
terminals, shortest distance through air
Minimum External Tracking (Creepage)
L(I02)
8.1
mm min
Measured from input terminals to output
terminals, shortest distance along body
Minimum Internal Gap (Internal Clearance)
0.017
mm min
Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index)
CTI
>175
V
DIN IEC 112/VDE 0303 Part 1
Isolation Group
IIIa
Material Group (DIN VDE 0110, 1/89)
VDE 0884 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 a package denotes VDE 0884 approval for 848 V peak working voltage.
Table 6.
Description
Symbol
Characteristic
Unit
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
≤300 V rms
I to IV
≤450 V rms
I to II
≤600 V rms
I to II
Climatic Classification
40/105/21
Pollution Degree (DIN VDE 0110, see Table 1)
2
Maximum Working Insulation Voltage
V
IORM
846
V peak
Input-to-Output Test Voltage, Method b1
V
PR
1590
V peak
V
IORM × 1.875 = VPR, 100% Production Tested, tm = 1 sec, Partial Discharge < 5 pC
Input-to-Output Test Voltage, Method a
V
PR
After Environmental Tests, Subgroup 1
1357
V peak
V
IORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC
After Input and/or Safety Test, Subgroup 2/Subgroup 3
1018
V peak
V
IORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
Highest Allowable Overvoltage (Transient Overvoltage, t
TR = 10 sec)
V
TR
6000
V peak
Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure, see Figure 20)
Case Temperature
T
S
150
°C
Input Current
I
S, INPUT
265
mA
Output Current
I
S, OUTPUT
335
mA
Insulation Resistance at T
S, VIO = 500 V
R
S
>109
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|---|---|
| ADM2491EBRWZ | 制造商:Analog Devices 功能描述:IC RS-485 TRANSCEIVER 5.5V SOIC-16 制造商:Analog Devices 功能描述:IC, RS-485 TRANSCEIVER, 5.5V, SOIC-16 |
| ADM2491EBRWZ-REEL7 | 功能描述:IC TXRX HS ESD PROT ISO 16SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| ADM251-1/12VDC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ADM251-1/24VDC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ADM251-1/48VDC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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