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參數資料
| 型號： | MAX1484CUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/RS422 10-UMAX |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-µMAX |
| 包裝： | 管件 |
| 產品目錄頁面： | 1402 (CN2011-ZH PDF) |
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 Description
The MAX1481/MAX1484/MAX1485/MAX1486 provide
software-selectable, half-/full-duplex, low-power, slew-
rate-limited, and high-speed (12Mbps) RS-485/RS-422
operation in a 10-pin MAX package—the smal-
lest 10-pin package available.
The software-selectable, half-/full-duplex MAX1485/
MAX1486 make obsolete the normally larger and more
expensive solutions required for selectable half-/full-
duplex RS-485/RS-422 operation: 1) a 14-pin, full-
duplex transceiver configured via jumpers between
receiver and transmitter lines, or 2) two 8-pin, half-
duplex transceivers, which require an additional invert-
er logic gate for software selectability.
The MAX1481/MAX1484 are functionally equivalent to
the industry-standard MAX491 and 75180, and are
designed for space-constrained, full-duplex RS-422
applications.
All parts contain one driver and one receiver and fea-
ture a 1/8-unit-load receiver input impedance, allowing
up to 256 transceivers on the bus. The MAX1481/
MAX1485 feature reduced-slew-rate drivers that mini-
mize EMI and reduce reflections caused by improperly
terminated cables, allowing error-free data transmission
up to 250kbps. The MAX1484/MAX1486 driver slew
rates are not limited, allowing them to transmit up to
12Mbps.
The MAX1481/MAX1484/MAX1485/MAX1486 draw only
300A of supply current. The MAX1481 has a low-power
shutdown mode that reduces supply current to only
0.1A. All devices operate from a single 5V supply.
Drivers are output short-circuit current limited and are
protected against excessive power dissipation by
thermal-shutdown circuitry that places the driver outputs
into a high-impedance state. The receiver input has a fail-
safe feature that guarantees a logic-high output if the
input is open circuit.
____________________________Features
o 10-Pin MAX Package: Smallest 10-Pin Package
o Software-Selectable Half-/Full-Duplex Operation
(MAX1485/MAX1486)
o 0.1A Low-Current Shutdown Mode (MAX1481)
o Slew-Rate Limiting Allows Error-Free Data
Transmission (MAX1481/MAX1485)
o 12Mbps High-Speed Operation
(MAX1484/MAX1486)
o Allow up to 256 Transceivers on the Bus
________________________Applications
Low-Power RS-422/RS-485 Communications
Level Translators
Hand-Held Equipment
Battery-Powered Equipment
Transceiver for EMI-Sensitive Applications
Industrial-Control Local Area Networks
MAX1481/MAX1484/MAX1485/MAX1486
Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
12Mbps, RS-485/RS-422 Transceivers in MAX Package
________________________________________________________________
Maxim Integrated Products
1
19-1312; Rev 1; 3/06
PART
MAX1481CUB
MAX1481EUB
MAX1484CUB
0°C to +70°C
-40°C to +85°C
0°C to +70°C
TEMP RANGE
PIN-PACKAGE
10 MAX
______________Ordering Information
______________________________________________________________Selection Table
Half/Full
Duplex
Data
Rate
(Mbps)
MAX1481
Full
0.250
MAX1484
Full
12
Part
MAX1485
Selectable
0.250
MAX1486
Selectable
12
Slew-
Rate
Limited
Yes
No
Yes
No
Low-
Power
Shutdown
Driver
Enable
Yes
No
Yes
No
Yes
No
Yes
Quiescent
Current
(A)
300
Transceivers
on Bus
256
Pin-
Package
10 MAX
MAX1484EUB
-40°C to +85°C
10 MAX
Receiver
Enable
Yes
No
MAX1485CUB
MAX1485EUB
MAX1486CUB
0°C to +70°C
-40°C to +85°C
0°C to +70°C
10 MAX
MAX1486EUB
-40°C to +85°C
10 MAX
________________________________________________________________ Maxim Integrated Products
1
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.
MAX is a registered trademark of Maxim Integrated Products, Inc.
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相關代理商/技術參數 |
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| MAX1484CUB+ | 功能描述:RS-422/RS-485 接口 IC 12Mbps RS485/RS422 Transceiver 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 |
| MAX1484CUB+T | 功能描述:RS-422/RS-485 接口 IC 12Mbps RS485/RS422 Transceiver 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 |
| MAX1484CUB-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 |
| MAX1484EUB | 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 |
| MAX1484EUB+ | 功能描述:RS-422/RS-485 接口 IC 12Mbps RS485/RS422 Transceiver 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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