參數(shù)資料
型號(hào)： MAX3444EASA+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/19頁
文件大?。?/td> 0K
描述： IC TXRX J1708 8-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 100
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： J1708
電源電壓： 4.75 V ~ 5.25 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： 管件
Selector Guide
General Description
The MAX3440E–MAX3444E fault-protected RS-485 and
J1708 transceivers feature
±60V protection from signal
faults on communication bus lines. Each device contains
one differential line driver with three-state output and one
differential line receiver with three-state input. The 1/4-unit-
load receiver input impedance allows up to 128 trans-
ceivers on a single bus. The devices operate from a 5V
supply at data rates of up to 10Mbps. True fail-safe inputs
guarantee a logic-high receiver output when the receiver
inputs are open, shorted, or connected to an idle data line.
Hot-swap circuitry eliminates false transitions on the
data bus during circuit initialization or connection to a
live backplane. Short-circuit current-limiting and ther-
mal shutdown circuitry protect the driver against exces-
sive power dissipation, and on-chip
±15kV ESD
protection eliminates costly external protection devices.
The MAX3440E–MAX3444E are available in 8-pin SO
and PDIP packages and are specified over industrial
and automotive temperature ranges.
Applications
RS-422/RS-485 Communications
Truck and Trailer Applications
Industrial Networks
Telecommunications Systems
Automotive Applications
HVAC Controls
Features
±15kV ESD Protection
±60V Fault Protection
Guaranteed 10Mbps Data Rate
(MAX3441E/MAX3443E)
Hot Swappable for Telecom Applications
True Fail-Safe Receiver Inputs
Enhanced Slew-Rate-Limiting Facilitates
Error-Free Data Transmission
(MAX3440E/MAX3442E/MAX3444E)
Allow Up to 128 Transceivers on the Bus
-7V to +12V Common-Mode Input Range
Automotive Temperature Range (-40°C to +125°C)
Industry-Standard Pinout
MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
________________________________________________________________
Maxim Integrated Products
1
TOP VIEW
1
2
3
4
8
5
VCC
GND
DI
DE/RE
RO
FAULT
R
D
Rt
7
6
D
R
DE/RE
FAULT
DI
RO
A
B
1
2
3
4
8
7
6
5
VCC
B
A
GND
DI
DE/RE
RO
FAULT
+
DIP/SO
B
A
MAX3440E
MAX3441E
R
D
Pin Configurations and Typical Operating Circuits
Ordering Information
19-2666; Rev 2; 11/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX3440EESA+
-40°C to +85°C
8 SO
MAX3440EEPA+
-40°C to +85°C
8 PDIP
MAX3440EASA+
-40°C to +125°C
8 SO
MAX3440EAPA+
-40°C to +125°C
8 PDIP
PART
TYPE
DATA RATE
(Mbps)
LOW-POWER
SHUTDOWN
RECEIVER/DRIVER
ENABLE
TRANSCEIVERS
ON BUS
HOT SWAP
MAX3440E
RS-485
0.25
No
Yes
128
Yes
MAX3441E
RS-485
2.5 to 10
No
Yes
128
Yes
MAX3442E
RS-485
0.25
Yes
128
Yes
MAX3443E
RS-485
2.5 to 10
Yes
128
Yes
MAX3444E
J1708
0.25
Yes
128
Yes (only RE)
+
Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Pin Configurations and Typical Operating Circuits continued at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3444EASA+ 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3444EASA+T 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3444EASA-T 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3444EEPA 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3444EESA 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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