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參數資料
| 型號： | MAX3469ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | +5V, Fail-Safe, 40Mbps, Profibus RS-485/ RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 309K |
| 代理商： | MAX3469ESA |
General Description
The MAX3465–MAX3469 are high-speed differential
bus transceivers for RS-485 and RS-422 communica-
tions. They are designed to meet TIA/EIA-422-B,
TIA/EIA-485-A, V.11, and X.27 standards. The trans-
ceiver complies with the Profibus specification provid-
ing +2.1V minimum output level with a 54
load,
40Mbps data rate, and output skew less than 2ns. Each
part contains one three-state differential line driver and
one differential input line receiver. The devices operate
from a +5V supply and feature true fail-safe circuitry,
which guarantees a logic-high receiver output when the
receiver inputs are open or shorted. This enables all
receiver outputs on a terminated bus to output logic
highs when all transmitters are disabled.
All devices feature a 1/4-standard-unit load receiver
input impedance that allows 128 transceivers on the
bus. Driver and receiver propagation delays are guar-
anteed under 20ns for multidrop, clock distribution
applications. Drivers are short-circuit current limited
and are protected against excessive power dissipation
by thermal-shutdown circuitry. The driver and receiver
feature active-high and active-low enables, respective-
ly, that can be connected together externally to serve
as a direction control.
Applications
High-Speed RS-485 Communications
High-Speed RS-422 Communications
Level Translators
Industrial-Control Local Area Networks
Profibus Applications
Features
o
Recommended for Profibus Applications
o
Up to 40Mbps Data Rate
o
15ns Transmitter Propagation Delay
o
20ns Receiver Propagation Delay
o
2ns Transmitter and Receiver Skew
o
High Differential Driver Output Level (2.1V on 54
)
o
Hot-Swap Versions
o
1μA Shutdown Supply Current
o
Low Supply Current Requirements (2.5mA, typ)
o
Allow Up to 128 Transceivers on the Bus
o
True Fail-Safe Receiver while Maintaining EIA/TIA-
485 Compatibility
o
Designed for Multipoint Transmissions on Long
or Noisy Bus Lines
o
Full-Duplex and Half-Duplex Versions Available
o
Phase Controls to Correct for Twisted-Pair
Reversal for 14-Pin Versions
o
Current-Limiting and Thermal Shutdown for
Driver Overload Protection
M
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
PART
NUMBER
HALF/FULL
DUPLEX
RECEIVER/
DRIVER
ENABLE
Yes
Yes
No
Yes
Yes
LOW-
POWER
SHUTDOWN
Yes
Yes
No
Yes
Yes
HOT SWAP
RECEIVER/
DRIVER PHASE
SELECT
Yes
Yes
No
No
No
INDEPENDENT
SHDN PIN
PIN COUNT
MAX3465
MAX3466
MAX3467
MAX3468
MAX3469
Full
Full
Full
Half
Half
Yes
No
No
Yes
No
Yes
Yes
No
No
No
14
14
8
8
8
Selector Guide
19-3038; Rev 0; 10/03
Ordering Information continued at end of data sheet.
PART
TEMP RANGE
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
14 SO
14 Plastic DIP
14 SO
14 Plastic DIP
MAX3465
CSD
MAX3465CPD
MAX3465ESD
MAX3465EPD
Pin Configurations appear at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3469ESA+ | 功能描述:RS-422/RS-485 接口 IC 5V Fail-Safe 40Mbps Profibus Tcvr 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 |
| MAX3469ESA+T | 功能描述:RS-422/RS-485 接口 IC 5V Fail-Safe 40Mbps Profibus Tcvr 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 |
| MAX3469ESA-T | 功能描述:RS-422/RS-485 接口 IC 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 |
| MAX3471CUA | 功能描述:RS-422/RS-485 接口 IC 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 |
| MAX3471CUA+ | 功能描述:RS-422/RS-485 接口 IC 1.6uA Half Duplex Differential Tcvr 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 |
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