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參數(shù)資料
| 型號(hào)： | ISL32478EIBZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 FAULT PROT 8SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)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-SOIC |
| 包裝： | 帶卷 (TR) |
1
Fault Protected, Extended Common Mode Range,
RS-485/RS-422 Transceivers with ±16.5kV ESD
ISL32470E, ISL32472E, ISL32475E, ISL32478E
The ISL32470E, ISL32472E, ISL32475E, ISL32478E 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 fault protected against overvoltages up to
±60V and are protected against ±16.5kV ESD strikes without
latch-up. Additionally, these transceivers operate in environments
with common mode voltages up to ±15V (exceeds the RS-485
requirement), making this fault-protected RS-485 family one of
the more robust on the market.
Transmitters (Tx) deliver an exceptional 2.5V (typical) differential
output voltage into the RS-485 specified 54 load. This yields
better noise immunity than standard RS-485 ICs or allows up to
six 120 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
features and configurations by device number.
For a fault-protected RS-485 transceiver with a ±25V extended
common mode range, please see the
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
±16.5kV HBM ESD Protection on RS-485 Bus Pins
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 . . . . . . . . . . . . . . . . 10A
Applications
Utility Meters/Automated Meter Reading Systems
High Node Count RS-485 Systems
PROFIBUS and RS-485 Based Field Bus Networks, and
Factory Automation
Security Camera Networks
Building Lighting and Environmental Control Systems
Industrial/Process Control Networks
FIGURE 1. EXCEPTIONAL Rx OPERATES AT >15Mbps EVEN WITH
±15V COMMON MODE VOLTAGE
FIGURE 2. TRANSCEIVERS DELIVER SUPERIOR COMMON MODE
RANGE vs STANDARD RS-485 DEVICES
TIME (20ns/DIV)
VO
LT
AGE
(V)
-5
0
5
10
15
20
B
VID = ±1V
A
RO
ISL3247xE
C
O
MMON
MODE
RANGE
STANDARD RS-485
TRANSCEIVER
-15
-7
0
12
15
March 16, 2012
FN7784.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL32478EIBZ-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 |
| ISL32483E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Fault Protected, Extended CMR, RS-485/RS-422 Transceivers |
| ISL32483EIBZ | 功能描述:IC TXRX RS485 FAULT PROT 14SOIC 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:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 產(chǎn)品目錄頁面:1402 (CN2011-ZH PDF) |
| ISL32483EIBZ-T | 功能描述:IC TXRX RS485 FAULT PROT 14SOIC 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:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:發(fā)射器 驅(qū)動(dòng)器/接收器數(shù):4/0 規(guī)程:RS422，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL32483EIBZ-T7A | 功能描述:RS-422/RS-485 接口 IC 14LD SO OVP -40+85 P OLAR REV 5V DUP 1 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 |
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