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LTC2850IMS8#PBF
+NomenclatureIC TRANSCEIVER HALF 1/1 8MSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LTC2850IMS8#PBF
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Fiche technique LTC2850IMS8#PBF DataSheet
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Receiver Hysteresis | 25 mV |
| Data Rate | 20Mbps |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| Base Product Number | LTC2850 |
Présentation
Description
The device provides enhanced electrostatic discharge (ESD) protection on all pins, ensuring reliability in harsh environments. It supports a wide common mode range from -7V to 12V, allowing for reliable communication in noisy environments. The LTC2850IMS8#PBF is housed in an 8-lead MSOP package, making it compact for space-constrained applications.
The transceiver is well-suited for industrial, telecommunications, and consumer electronics applications that require robust communication over a twisted-pair cable. Its features include short-circuit protection, thermal shutdown, and fail-safe receiver inputs to prevent malfunctions in open or idle lines.
Equivalent
1. MAX485ESA+ from Maxim Integrated
2. SN75176BP from Texas Instruments
3. ADM485ARZ from Analog Devices
4. ISL3178EIBZ from Renesas Electronics
5. SP485EEN-L from MaxLinear
These alternatives offer similar functionalities for RS-485/RS-422 communication but may differ in specific features like voltage range, package type, or data rate. Always verify compatibility with your application requirements.
Features
1. Data Rate: Supports data rates up to 20 Mbps, making it suitable for high-speed data transfer.
2. Supply Voltage: Operates with a single 3.3V supply.
3. ESD Protection: Offers enhanced ESD protection withstanding ±15 kV (Human Body Model) on the RS485 pins.
4. Low Power Consumption: Features a low-power shutdown mode, reducing power usage to 1 µA.
5. Failsafe: Integrated failsafe circuitry ensures reliable operation by guaranteeing a known output state when the bus is idle or shorted.
6. Extended Temperature Range: Functions effectively within an industrial temperature range of -40°C to 85°C.
7. Robust Operation: Provides thermal shutdown protection and is suitable for half-duplex communication.
8. Compact Package: Available in an 8-lead MSOP package, which is compact and easy to implement in various designs.
These features make the LTC2850IMS8#PBF ideal for industrial and instrumentation applications requiring reliable and fast serial communication.
Pinout
1. Pin 1 (RO): Receiver Output, provides the digital output in response to the differential input.
2. Pin 2 (RE): Receiver Output Enable, active low, enables the receiver output.
3. Pin 3 (DE): Driver Output Enable, controls the driver outputs.
4. Pin 4 (DI): Driver Input, provides the data input for the driver.
5. Pin 5 (GND): Ground, common reference point for the circuit.
6. Pin 6 (A/Y): Driver Output/Receiver Input, connects to the transmission line.
7. Pin 7 (B/Z): Driver Output/Receiver Input, connects to the transmission line.
8. Pin 8 (VCC): Supply Voltage, powers the IC.
The LTC2850IMS8#PBF supports data rates up to 20 Mbps and operates over a supply voltage range of 3V to 5.5V.
Manufacturer
Application
1. Industrial Automation: Used in factory floor automation systems for reliable data transmission.
2. Building Automation: Facilitates communication in HVAC systems and smart building infrastructure.
3. Telecommunications: Provides stable data links in telecom equipment.
4. Security Systems: Ensures secure data transfer in surveillance and access control systems.
5. Energy Management: Used in smart grid and energy distribution networks for efficient communication.
6. Instrumentation: Reliable communication for data acquisition systems and instrumentation.
These applications benefit from its low power consumption, high noise immunity, and wide operating temperature range.