參數(shù)資料
型號(hào): MAX3471CUA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: 1.6レA, RS-485/RS-422, Half-Duplex, Differential Transceiver for Battery-Powered Systems
中文描述: LINE TRANSCEIVER, PDSO8
封裝: UMAX-8
文件頁數(shù): 1/8頁
文件大?。?/td> 86K
代理商: MAX3471CUA
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
________________General Desc ription
The MAX3471 half-duplex transceiver is intended for
lithium battery-powered RS-485/RS-422 applications. It
draws only 1.6μA (typical) supply current from a 3.6V
supply with the receiver enabled and the driver dis-
abled. Its wide 2.5V to 5.5V supply voltage guarantees
operation over the lifetime of a lithium battery.
This device features true fail-safe operation that guar-
antees a logic-high receiver output when the receiver
inputs are open or shorted. This means that the receiv-
er output will be a logic high if all transmitters on a ter-
minated bus are disabled (high impedance). The
MAX3471 has a 1/8-unit load input resistance. When
driver outputs are enabled and pulled above V
CC
or
below GND, internal circuitry prevents battery back-
charging.
The MAX3471 is available in an 8-pin μMAX package.
________________________Applic ations
Remote Meter Reading
Battery-Powered Differential Communications
Level Translators
____________________________Features
o
1.6μA Supply Current with Receiver Enabled
o
+2.5V to +5.5V Single-Supply Operation
o
True Fail-Safe Receiver Input
o
Available in μMAX Package
o
1/8-Unit-Load Receiver Input
o
-7V to +10V Common-Mode Input Voltage Range
M
1.6μA, RS-485/RS-422, Half-Duplex,
Differential Transceiver for Battery-Powered Systems
________________________________________________________________ Maxim Integrated Products
1
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
MAX3471
μ
MAX
TOP VIEW
___________________Pin Configuration
MAX3471
B
A
B
A
R
DI
V
CC
V
CC
GND
GND
REMOTE UNIT
DE
RO
RE
D
R
DE
DI
RO
RE
D
R
DI
DE
D
B
A
RE
RO
TYPICAL HALF-DUPLEX RS-485 NETWORK
R
DI
DE
D
B
A
RE
RO
V
CC
GND
V
CC
V
CC
0.1
μ
F
CENTRAL UNIT
REMOTE UNIT
REMOTE UNIT
19-0497; Rev 0; 2/98
PART
MAX3471CUA
MAX3471EUA
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 μMAX
8 μMAX
_______________Ordering Information
Typic al Applic ation Circ uit
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參數(shù)描述
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(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
MAX3471CUA+T 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(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
MAX3471CUA-T 功能描述:RS-422/RS-485 接口 IC 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
MAX3471EUA 功能描述:RS-422/RS-485 接口 IC 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
MAX3471EUA+ 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(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