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參數資料
| 型號： | ADM4851ACP-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | ECONOLINE: REC3-S_DR/H1 - 3W DIP Package- 1kVDC Isolation- Regulated Output- UL94V-0 Package Material- Continuous Short Circiut Protection- Internal SMD design- 100% Burned In- Efficiency to 75% |
| 中文描述： | LINE TRANSCEIVER, DSO8 |
| 封裝： | 3 X 3 MM, LFCSP-8 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 438K |
| 代理商： | ADM4851ACP-REEL7 |
5 V Slew-Rate Limited Half- and Full-Duplex
RS-485/RS-422 Transceivers
ADM4850–ADM4857
FEATURES
EIA RS-485-/RS-422-compliant
Data rate options
ADM4850/ADM4854—115 kbps
ADM4851/ADM4855—500 kbps
ADM4852/ADM4856—2.5 Mbps
ADM4853/ADM4857—10 Mbps
Half- and full-duplex options
Reduced slew rates for low EMI
True fail-safe receiver inputs
5 μA (maximum) supply current in shutdown mode
Up to 256 transceivers on one bus
Outputs high-z when disabled or powered off
7 V to +12 V bus common-mode range
Thermal shutdown and short-circuit protection
Pin-compatible with MAX308x
Specified over the 40°C to +85°C temperature range
Available in 8-lead SOIC and LFCSP packages
APPLICATIONS
Low power RS-485 applications
EMI-sensitive systems
DTE-DCE interfaces
Industrial control
Packet switching
Local area networks
Level translators
GENERAL DESCRIPTION
Rev.
0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
Tel: 781.329.4700Fax: 781.326.8703
www.analog.comFUNCTIONAL BLOCK DIAGRAM
0
RO
R
A
B
DI
D
Z
Y
GND
V
CC
ADM4854/ADM4855/
ADM4856/ADM4857
RO
RE
R
DE
DI
D
A
B
GND
V
CC
ADM4850/ADM4851/
ADM4852/ADM4853
Figure 1.
The ADM4850
ADM4857 are differential line transceivers
suitable for high speed half- and full-duplex data communication
on multipoint bus transmission lines. They are designed for
balanced data transmission and comply with EIA Standards
RS-485 and RS-422. The ADM4850
ADM4853 are half-duplex
transceivers, which share differential lines and have separate
enable inputs for the driver and receiver. The full-duplex
ADM4854
ADM4857 transceivers have dedicated differential
line driver outputs and receiver inputs.
The parts have a 1/8-unit-load receiver input impedance, which
allows up to 256 transceivers on one bus. Since only one driver
should be enabled at any time, the output of a disabled or pow-
ered-down driver is three-stated to avoid overloading the bus.
The receiver inputs have a true fail-safe feature, which ensures a
logic high output level when the inputs are open or shorted.
This guarantees that the receiver outputs are in a known state
before communication begins and when communication ends.
The driver outputs are slew-rate limited to reduce EMI and data
errors caused by reflections from improperly terminated buses.
Excessive power dissipation caused by bus contention or by
output shorting is prevented with a thermal shutdown circuit.
The parts are fully specified over the commercial and industrial
temperature ranges, and are available in 8-lead SOIC and LFCSP
packages.
Table 1. Selection Table
Part No
Half-/Full-Duplex
ADM4850
Half
ADM4851
Half
ADM4852
Half
ADM4853
Half
ADM4854
Full
ADM4855
Full
ADM4856
Full
ADM4857
Full
Data Rate
115 kbps
500 kbps
2.5 Mbps
10 Mbps
115 kbp
500 kbps
2.5 Mbps
10 Mbps
相關PDF資料 |
PDF描述 |
|---|---|
| ADM4851AR | REC3-SRW_DRW/H* Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 3.3V; Power: 3W; 2kV, 4kVDC & 6kVDC Isolation; Industry Standard 3W DIP24 Package; Feedback Regulated Output; Continuous Short Circuit Protection; Wide Input 2:1 & 4:1; Medical Approvals (4kV/6kV Versions); EN and UL Certificates; 3 Pinout Options, 3 Case Styles; Control Pin Option; Efficiency to 86% |
| ADM4851AR-REEL7 | 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| ADM4852ACP-REEL | 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| ADM4852ACP-REEL7 | 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| ADM4852AR | 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM4851AR | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-485 8-Pin SOIC N |
| ADM4851AR-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers |
| ADM4851AR-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-485 8-Pin SOIC N T/R |
| ADM4851ARZ | 功能描述:IC TXRX RS-485422 500KBPS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:1 系列:- 類型:線路收發器 驅動器/接收器數:5/3 規程:RS232 電源電壓:3 V ~ 5.5 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:Digi-Reel® 產品目錄頁面:918 (CN2011-ZH PDF) 其它名稱:296-25096-6 |
| ADM4851ARZ-REEL7 | 功能描述:IC TXRX RS485/422 500KBPS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
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