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參數資料
| 型號： | ADM3485E |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver |
| 中文描述： | ESD保護，EMC的兼容，3.3伏，20 Mbps的環境影響評估的RS - 485收發器 |
| 文件頁數： | 4/11頁 |
| 文件大小： | 119K |
| 代理商： | ADM3485E |
ADM3485E
–4–
REV. A
ORDERING GUIDE
Model
Temperature Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
Package Description
Package Options
ADM3485EAN
ADM3485EAR
Plastic DIP
Small Outline (SOIC)
N-8
SO-8
ABSOLUTE MAXIMUM RATINGS*
(T
A
= +25
°
C unless otherwise noted)
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Inputs
Driver Input (DI) . . . . . . . . . . . . . . . . –0.3 V to V
CC
+ 0.3 V
Control Inputs (DE,
RE
) . . . . . . . . . . –0.3 V to V
CC
+ 0.3 V
Receiver Inputs (A, B) . . . . . . . . . . . . . . . –7.5 V to +12.5 V
Outputs
Driver Outputs . . . . . . . . . . . . . . . . . . . . . –7.5 V to +12.5 V
Receiver Output . . . . . . . . . . . . . . . . . –0.5 V to V
CC
+ 0.5 V
Power Dissipation 8-Lead DIP . . . . . . . . . . . . . . . . . 800 mW
θ
JA
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . 140
°
C/W
Power Dissipation 8-Lead SOIC . . . . . . . . . . . . . . . . 650 mW
θ
JA
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . 115
°
C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . –40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300
°
C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°
C
ESD Rating: Air (Human Body Model, All Pins) . . . . . >4 kV
ESD Rating: IEC1000-4-2 Contact (A, B Pins) . . . . . . >8 kV
EFT Rating: IEC1000-4-4 (A, B Pins) . . . . . . . . . . . . . >2 kV
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational sections
of this specification is not implied. Exposure to absolute maximum ratings for
extended periods of time may affect device reliability.
PIN CONFIGURATION
DIP/SOIC
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
RO
RE
DE
DI
V
CC
B
A
GND
ADM3485E
PIN FUNCTION DESCRIPTIONS
Mnemonic
Pin
DIP/
SOIC
Function
RO
RE
1
2
Receiver Output. High when A > B by 200 mV or low when A < B by 200 mV.
Receiver Output Enable. With
RE
low, the receiver output RO is enabled. With
RE
high, the output goes
high impedance. If
RE
is high and DE low, the ADM3485E enters a shutdown state.
Driver Output Enable. A high level enables the driver differential outputs, A and B. A low level places it in a
high impedance state.
Driver Input. When the driver is enabled, a logic low on DI forces A low and B high, while a logic high on DI
forces A high and B low.
Ground Connection, 0 V.
Noninverting Receiver Input A/Driver Output A.
Inverting Receiver Input B/Driver Output B.
Power Supply, 3.3 V
±
0.3 V.
DE
3
DI
4
GND
A
B
V
CC
5
6
7
8
相關PDF資料 |
PDF描述 |
|---|---|
| ADM3485EAR | ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver |
| ADM3485EAN | ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver |
| ADM3491ARU | 3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver |
| ADM3491 | 3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver |
| ADM3491AN | 3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM3485E_10 | 制造商:AD 制造商全稱:Analog Devices 功能描述:?±15 kV ESD-Protected, 3.3 V,12 Mbps, EIA RS-485/RS-422 Transceiver |
| ADM3485EAN | 制造商:Rochester Electronics LLC 功能描述:3 VOLT RS-485 HIGH ESD I.C. - Bulk 制造商:Analog Devices 功能描述:TRANSCEIVER RS485/422 3.3V 3485 |
| ADM3485EANZ | 制造商:Rochester Electronics LLC 功能描述:3 VOLT RS-485 HIGH ESD I.C. - Bulk 制造商:Analog Devices 功能描述:TRANSCEIVER RS485/422 3.3V 3485 |
| ADM3485EAR | 功能描述:IC TX/RX RS-485 HS 3.3V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:27 系列:- 類型:收發器 驅動器/接收器數:3/3 規程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC 包裝:管件 |
| ADM3485EAR-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:3 VOLT RS-485 HIGH ESD I.C. - Tape and Reel 制造商:Analog Devices 功能描述:IC TRANSCEIVER RS485 |
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