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參數資料
| 型號： | MAX3158 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4x4 1.5 Gbps LVDS Crosspoint Switch 38-TSSOP -40 to 85 |
| 中文描述： | 高共模抑制比RS-485收發(fā)器，提供±60V隔離 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 305K |
| 代理商： | MAX3158 |
General Description
The MAX3158 is a high CMRR RS-485/RS-422 data-com-
munications interface providing ±60V isolation in a
hybrid microcircuit. A single +5V supply on the logic side
powers both sides of the interface, with external 100V
capacitors transferring power from the logic side to the
isolated side. Each MAX3158 contains one transmitter
and one receiver and is guaranteed to operate at data
rates up to 250kbps. Drivers are short-circuit current lim-
ited and protected against excessive power dissipation
by thermal shutdown circuitry that places the driver out-
puts into a high-impedance state. The receiver input has
a fail-safe feature that guarantees a logic-high receiver
output if the inputs are open, shorted, or connected to a
terminated transmission line with all drivers disabled.
The MAX3158 typically draws 25mA of supply current
when unloaded or when fully loaded with the driver dis-
abled. Supply current drops to 25μA when the device is
placed in shutdown mode. The device is pin selectable
between half- and full-duplex mode and also features
an independently programmable receiver and transmit-
ter output phase through separate pins. The MAX3158
is a low-cost replacement for opto-isolated trans-
ceivers. For fully isolated RS-485/RS-422 transceivers,
refer to the MAX1480 family data sheet.
________________________Applications
Industrial Controls
Level Translators
Telecommunications
Local Area Networks
Features
o
±60V Isolated Data Interface
o
+5V Single Supply
o
Low-Cost Replacement for Opto-Isolated
Transceivers
o
True Fail-Safe Receiver While Maintaining
EIA/TIA-485 Compliance
o
Pin-Selectable Full/Half-Duplex Operation
o
Phase Controls to Correct for Twisted-Pair
Reversal
o
25μA Low-Power Shutdown Mode
o
Thermal Shutdown for Driver Overload Protection
o
28-Pin SSOP Package
o
Slew-Rate-Limited Reduced EMI
M
High CMRR RS-485 Transceiver
with ±60V Isolation
________________________________________________________________
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
MAX3158
C1HI C2LOC2HI
C1LO
TXP
RXP
DE
DI
RE
RO
GND
A
B
Y
Z
YR
ZR
AR
BR
MICRO
RT = 100
V
CC
0.1
μ
F
C3
1
μ
F
C4
10nF
C1
0.047
μ
F
C2
0.047
μ
F
±
60V
GND OFFSET
ISOCOM
RG
REMOTE GND
R
RS-485
NODE
V
CC
H/F
ISOVCC
Typical Operating Circuit
19-2778; Rev 0; 2/03
Ordering Information
TEMP RANGE
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
Pin Configurations appear at end of data sheet.
PART
PIN-PACKAGE
28 SSOP
28 PDIP
28 SSOP
28 PDIP
MAX3158CAI
MAX3158CPI
MAX3158EAI
MAX3158EPI
相關PDF資料 |
PDF描述 |
|---|---|
| MAX3158CAI | 4x4 1.5 Gbps LVDS Crosspoint Switch 38-TSSOP -40 to 85 |
| MAX3158CPI | MemoryStick(TM) Interconnect Extender Chipset 20-TSSOP -40 to 85 |
| MAX3158EPI | MemoryStick(TM) Interconnect Extender Chipset 20-TSSOP -40 to 85 |
| MAX3170 | +3.3V, Multiprotocol, 3 Tx/3 Rx, Software-Selectable Clock/Data Transceiver(+3.3V,多協議,3Tx/3Rx,軟件可編程時鐘/數據收發(fā)器) |
| MAX3170CAI | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3158CAI | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:MAXIM MAX3158CAI BUS LINE TRANSCEIVERS - Rail/Tube 制造商:Maxim Integrated Products 功能描述:Maxim MAX3158CAI Bus Line Transceivers |
| MAX3158CAI+ | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 1TR 1TX 1RX 28SSOP - Rail/Tube |
| MAX3158CAI+T | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 1TR 1TX 1RX 28SSOP - Tape and Reel |
| MAX3158CAI-T | 制造商:Maxim Integrated Products 功能描述:HIGH CMRR RS-485 TRANSCEIVER WITH +/-60V ISOL - Tape and Reel |
| MAX3158CPI | 制造商:Maxim Integrated Products 功能描述:HIGH CMRR RS-485 TRANSCEIVER WITH +/-60V ISOL - Bulk 制造商:Rochester Electronics LLC 功能描述: |
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