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參數(shù)資料
| 型號： | ISL31478EIBZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 FAULT PROT 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
1
ISL31470E,
ISL31472E,
ISL31475E,
ISL31478E
Fault Protected, Extended Common Mode Range,
RS-485/RS-422 Transceivers
ISL31470E, ISL31472E, ISL31475E, ISL31478E
The ISL31470E, ISL31472E, ISL31475E, ISL31478E are
fault protected, extended common mode range
differential transceivers that exceed the RS-485 and
RS-422 standards for balanced communication. The
RS-485 bus pins (driver outputs and receiver inputs)
are protected against overvoltages up to ±60V.
Additionally, these transceivers operate in environments
with common mode voltages up to ±15V (exceeds the
RS-485 requirement), making this RS-485 family one
of the more robust on the market.
Transmitters deliver an exceptional 2.5V (typical)
differential output voltage into the RS-485 specified 54Ω
load. This yields better noise immunity than standard
RS-485 ICs, or allows up to six 120Ω terminations in star
topologies.
Receiver (Rx) inputs feature a “Full Fail-Safe” design
which ensures a logic high Rx output if Rx inputs are
floating, shorted, or on a terminated but undriven (idle)
bus. Rx outputs feature high drive levels - typically
15mA @ VOL = 1V (to ease the design of opto-coupled
isolated interfaces).
Half duplex (Rx inputs and Tx outputs multiplexed
together) and full duplex pinouts are available. See Table
1 on page 2 for key features and configurations by device
number.
For an RS-485 family with a ±25V extended common
data sheets.
Features
Fault Protected RS-485 Bus Pins. . . . . . .up to ±60V
Extended Common Mode Range . . . . . . . . . . .±15V
Larger Than Required for RS-485
1/4 Unit Load for up to 128 Devices on the Bus
High Transient Over Voltage Tolerance . . . . . . ±80V
Full Fail-safe (Open, Short, Terminated) RS-485
Receivers
High Rx IOL for Opto-Couplers in Isolated Designs
Hot Plug Circuitry - Tx and Rx Outputs Remain
Three-State During Power-up/Power-down
Choice of RS-485 Data Rates . . . .250kbps to 15Mbps
Low Quiescent Supply Current . . . . . . . . . . 2.3mA
Ultra Low Shutdown Supply Current . . . . . . . 10μA
Pb-Free (RoHS Compliant)
Applications
Utility Meters/Automated Meter Reading Systems
High Node Count Systems
PROFIBUS and Field Bus Networks, and Factory
Automation
Security Camera Networks
Building Lighting and Environmental Control Systems
Industrial/Process Control Networks
Exceptional Rx Operates at
>15Mbps Even with ±15V
Common Mode Voltage
Transceivers Deliver Superior
Common Mode Range vs
Standard RS-485 Devices
TIME (20ns/DIV)
VOLTAGE
(V)
-5
0
5
10
15
20
B
VID = ±1V
A
RO
ISL3147xE
COMMON
MODE
RANGE
STANDARD RS-485
TRANSCEIVER
-15
-7
0
12
15
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2010 All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
June 17, 2010
FN7639.0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL31478EIBZ-T7A | 功能描述:RS-422/RS-485 接口 IC 8LD OVP -40+85 5V RS HD+/-15V CMR 10MBPS RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| ISL31480E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert |
| ISL31480E_10 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert |
| ISL31480E_11 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert |
| ISL31480EIRTZ | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert |
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