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ADI LTC2870IUFD#PBF
RS-232 Interface IC RS232/RS485 Multiprotocol Transceivers with Integrated Termination
Brands: Analog Devices, Inc
Mfr.Part #: LTC2870IUFD#PBF
Datasheet: LTC2870IUFD#PBF Datasheet (PDF)
Package/Case: 28-QFN
Product Type: Interface ICs
LTC2870IUFD#PBF General Description
The LTC2870/LTC2871 are robust pin-configurable multiprotocol transceivers, supporting RS232, RS485, and RS422 protocols, operating on a single 3V to 5.5V supply. The LTC2870 can be configured as two RS232 single-ended transceivers or one RS485 differential transceiver on shared I/O lines. The LTC2871 offers independent control of two RS232 transceivers and one RS485 transceiver, each on dedicated I/O lines.
Features
- One RS485 and Two RS232 Transceivers
- 3V to 5.5V Supply Voltage
- 20Mbps RS485 and 500kbps RS232
- Automatic Selection of Integrated RS485 (120Ω) and RS232 (5kΩ) Termination Resistors
- Half-/Full-Duplex RS485 Switching
- High ESD: ±26kV (LTC2870), ±16kV (LTC2871)
- Logic Loopback Mode
Application
- Software Selectable RS232/RS485/RS422 Interface
- Point-of-Sale Terminals
- Cable Repeaters
- Protocol Translators
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Case/Package | QFN | Mount | Surface Mount |
| Number of Pins | 28 | Data Rate | 20 mbps |
| Interface | RS-232, RS-422, RS-485 | Max Operating Temperature | 85 °C |
| Max Supply Voltage | 5.5 V | Min Operating Temperature | -40 °C |
| Min Supply Voltage | 1.7 V | Number of Channels | 3 |
| Number of Drivers | 2 | Number of Receivers | 2 |
| Number of Transceivers | 1 | Number of Transmitters | 2 |
| Operating Supply Voltage | 3.3 V | Schedule B | 8542390000 |
| Simplex/Duplex | Duplex | Height | 700 µm |
| Length | 4 mm |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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Step4 :Individual packaging
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Step5 :Packaging boxes
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Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The LTC2870IUFD#PBF is a high-speed RS485/RS422 transceiver chip. It provides robust communication in industrial environments with its ±60V fault protection and ±15kV ESD protection. It has a data rate of up to 250Mbps and supports half-duplex or full-duplex operation. The chip also features low bus currents, flexible configuration options, and a wide supply voltage range of 3V to 5.5V.
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Features
The LTC2870IUFD#PBF is a ±60V, protected analog multiplexer with fail-safe logic and hot swap capability. It features low leakage characteristics, high ESD protection, and it is capable of handling negative voltages. -
Pinout
The LTC2870IUFD#PBF is a 48-pin LGA package. Its functions include a transceiver, isolator, and digital isolator. The pin count and functions may vary depending on the specific part number or variant. -
Manufacturer
The manufacturer of the LTC2870IUFD#PBF is Analog Devices Inc. It is a multinational semiconductor company specializing in the design and manufacturing of integrated circuits, including data converters, amplifiers, digital signal processors, and power management. -
Application Field
The LTC2870IUFD#PBF is a low voltage single I/O, 20 Mbps RS485/RS422 transceiver with ±60V fault voltage protection. It is commonly used in industrial automation, instrumentation, and communication systems where reliable and high-speed communication is required over long distances. -
Package
The LTC2870IUFD#PBF chip is in a 16-pin QFN package, it has a form factor of QFN-16 and the size of the package is 3mm x 3mm.
Datasheet PDF
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