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參數資料
| 型號： | ISL83085E |
| 廠商： | Intersil Corporation |
| 英文描述： | ±15kV ESD Protected, 5V, Full Fail-Safe, Fractional (1/8) Unit Load, RS-485/RS-422 Transceivers(±15kV ESD防護，5V，全自動防護，1/8單元負載，RS-485/RS-422收發器) |
| 中文描述： | ± 15kV的ESD保護，5V的，全面故障保護，分數（1 / 8）單位負載，RS-485/RS-422收發器（± 15kV的ESD防護，5V的，全自動防護，1 / 8單元負載，RS - 485接口/的RS - 422收發器） |
| 文件頁數： | 1/19頁 |
| 文件大小： | 892K |
| 代理商： | ISL83085E |
1
FN6085.7
ISL83080E, ISL83082E, ISL83083E,
ISL83085E, ISL83086E, ISL83088E
±
15kV ESD Protected, 5V, Full Fail-Safe,
Fractional (1/8) Unit Load, RS-485/RS-422
Transceivers
The ISL8308XE are BiCMOS, ESD protected, 5V powered,
single transceivers that meet both the RS-485 and RS-422
standards for balanced communication. Each driver output,
and receiver input, is protected against
±
15kV ESD strikes
without latch-up, and unlike competitive products, this Intersil
family is specified for 10% tolerance supplies (4.5V to 5.5V).
These devices have very low bus currents (+125
μ
A/-75
μ
A),
so they present a true “1/8 unit load” to the RS-485 bus. This
allows up to 256 transceivers on the network without violating
the RS-485 specification’s 32 unit load maximum, and without
using repeaters. For example, in a remote utility meter reading
system, individual meter readings are routed to a concentrator
via an RS-485 network, so the high allowed node count
minimizes the number of repeaters required. Data for all
meters is then read out from the concentrator via a single
access port, or a wireless link.
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven.
The ISL83080E, ISL83082E, ISL83083E, ISL83085E utilize
slew rate limited drivers which reduce EMI, and minimize
reflections from improperly terminated transmission lines, or
unterminated stubs in multidrop and multipoint applications.
Slew rate limited versions also include receiver input filtering to
enhance noise immunity in the presence of slow input signals.
Hot Plug circuitry ensures that the Tx and Rx outputs remain
in a high impedance state until the power supply has
stabilized, and the Tx outputs are fully short circuit protected.
The ISL83080E, ISL83083E, ISL83086E are configured for
full duplex (separate Rx input and Tx output pins)
applications. The half duplex versions multiplex the Rx
inputs and Tx outputs to allow transceivers with output
disable functions in 8 lead packages.
Features
Pb-Free Plus Anneal Available (RoHS Compliant)
(See Ordering Info)
RS-485 I/O Pin ESD Protection . . . . . . . . . .
±
15kV HBM
Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV
Tiny MSOP Packages Save 50% Board Space
Full Fail-safe (Open, Short, Terminated and Floating)
Receivers
Hot Plug Circuitry (ISL83080E, ISL83082E, ISL83083E,
ISL83085E)
- Tx and Rx Outputs Remain Three-state During Power-
up/Power-down
True 1/8 Unit Load Allows up to 256 Devices on the Bus
Specified for Single 5V, 10% Tolerance, Supplies
High Data Rates. . . . . . . . . . . . . . . . . . . . . up to 10Mbps
Low Quiescent Supply Current . . . . . . . . . . . . . . . 530
μ
A
Ultra Low Shutdown Supply Current . . . . . . . . . . . . 70nA
-7V to +12V Common Mode Input Voltage Range
Half and Full Duplex Pinouts
Three-State Rx and Tx Outputs
Current Limiting and Thermal Shutdown for driver
Overload Protection
Applications
Automated Utility Meter Reading Systems
High Node Count Systems
Factory Automation
Field Bus Networks
Security Camera Networks
Building Environmental Control Systems
Industrial/Process Control Networks
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
HALF/FULL
DUPLEX
DATA RATE
(Mbps)
SLEW-RATE
LIMITED
HOT PLUG
# DEVICES
ON BUS
Rx/Tx
ENABLE
QUIESCENT
I
CC
(
μ
A)
LOW POWER
SHUTDOWN
PIN
COUNT
ISL83080E
Full
0.115
Yes
Yes
256
Yes
530
Yes
10, 14
ISL83082E
Half
0.115
Yes
Yes
256
Yes
530
Yes
8
ISL83083E
Full
0.5
Yes
Yes
256
Yes
530
Yes
10, 14
ISL83085E
Half
0.5
Yes
Yes
256
Yes
530
Yes
8
ISL83086E
Full
10
No
No
256
Yes
530
Yes
10, 14
ISL83088E
Half
10
No
No
256
Yes
530
Yes
8
Data Sheet
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. 2004-2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
November 4, 2005
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| ISL83085EIB | 功能描述:IC TXRX RS485/422 5V ESD 8SOIC 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:1,000 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 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） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
| ISL83085EIB-T | 功能描述:IC TXRX RS485/422 5V ESD 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
| ISL83085EIBZ | 功能描述:RS-422/RS-485 接口 IC W/ANNEAL 8LD SO -40+85 5V RS-486 RoHS:否 制造商:Maxim Integrated 數據速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| ISL83085EIBZ-T | 功能描述:RS-422/RS-485 接口 IC W/ANNEAL 8LD SO -40+85 5V RS-485 RoHS:否 制造商:Maxim Integrated 數據速率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| ISL83085EIU | 功能描述:IC TXRX RS485/422 5V ESD 8-MSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發器 驅動器/接收器數:2/2 規程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
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