參數(shù)資料
型號： MAX3292ESD+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/16頁
文件大?。?/td> 0K
描述： IC TXRX RS485/422 10MBPS 14-SOIC
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/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： 表面貼裝
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 14-SOIC
包裝： 帶卷 (TR)
MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
________________________________________________________________
Maxim Integrated Products
1
19-1405; Rev 1; 4/99
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
________________General Description
The MAX3291/MAX3292 high-speed RS-485/RS-422
transceivers feature driver preemphasis circuitry, which
extends the distance and increases the data rate of reli-
able communication by reducing intersymbol interfer-
ence (ISI) caused by long cables. The MAX3291 is
programmable for data rates of 5Mbps to 10Mbps,
while the MAX3292 is programmable for data rates up
to 10Mbps by using a single external resistor.
The MAX3291/MAX3292 are full-duplex devices that
operate from a single +5V supply and offer a low-cur-
rent shutdown mode that reduces supply current to
100nA. They feature driver output short-circuit current
limiting and a fail-safe receiver input that guarantees a
logic-high output if the input is open circuit. A 1/4-unit-
load receiver input impedance allows up to 128 trans-
ceivers on the bus.
________________________Applications
Long-Distance, High-Speed RS-485/RS-422
Communications
Telecommunications
Industrial-Control Local Area Networks
____________________________Features
o Preemphasis Increases the Distance and Data
Rate of Reliable RS-485/RS-422 Communication
o Data Rate
Optimized for 5Mbps to 10Mbps (MAX3291)
Programmable up to 10Mbps (MAX3292)
o 100nA Low-Current Shutdown Mode
o Allow Up to 128 Transceivers on the Bus
o -7V to +12V Common-Mode Input Voltage Range
o Pin-Compatible with ’75180, MAX489, MAX491
MAX3080, MAX3083, MAX3086, MAX1482
2
PEE
(PSET)
12
13
R = ZO
14
1
F
RPSET*
CPSET*CPSET*
7(6)
GND
11
10
9
( ) ARE FOR MAX3292
* MAX3292 ONLY
ZO = THE CHARACTERISTIC
IMPEDANCE OF THE CABLE
RO
RE
DE
DI
3
4
5
9
5
13
7(6)
GND
4
3
DI
DE
RE
RO
2
10
11
12
VCC
(VCCD)(VCCD)
PEE
(PSET)
14
1
F
RPSET*
VCC
MAX3291
MAX3292
MAX3291
MAX3292
A
B
Z
Y
Z
B
A
Typical Operating Circuit and Functional Diagram
PART
MAX3291CSD
MAX3291CPD
MAX3291ESD
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
14 SO
14 Plastic DIP
14 SO
_______________Ordering Information
MAX3291EPD
-40°C to +85°C
14 Plastic DIP
MAX3292CSD
MAX3292CPD
MAX3292ESD
-40°C to +85°C
0°C to +70°C
14 SO
14 Plastic DIP
14 SO
MAX3292EPD
-40°C to +85°C
14 Plastic DIP
Pin Configuration appears at end of data sheet.
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