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Updated at 30/10/2025 10:30:15(UTC+8)

Certifications

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Description

DESCRIPTION
The LTC®491 is a low power differential bus/line trans ceiver designed for multipoint data transmission standard RS485 applications with extended common mode range (12V to –7V). It also meets the requirements of RS422. The CMOS design offers significant power savings over its bipolar counterpart without sacrificing ruggedness against overload or ESD damage.
FEATURES
■ Low Power: ICC= 300µA Typical
■ Designed for RS485 or RS422 Applications
■ Single 5V Supply
■ –7V to 12V Bus Common Mode Range Permits ±7V Ground Difference Between Devices
on the Bus
■ Thermal Shutdown Protection
■ Power-Up/-Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Package
■ Driver Maintains High Impedance in Three-State or with the Power Off
■ Combined Impedance of a Driver Output and Receiver Allows up to 32 Transceivers on the Bus
■ 70mV Typical Input Hysteresis
■ 28ns Typical Driver Propagation Delays with 5ns Skew for 2.5MB Operation
■ Pin Compatible with the SN75180
■ Available in 14-Lead PDIP and SO Packages

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LTC491CN Specifications

TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
- Please confirm product specifications when ordering.
- MOQ refers to the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the ordering page.
- Inspection (PSI) will be performed prior to shipment.
- Income Quality Control (IQC), 1000+ qualified dealers.
- Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray control
- XRF inspection
- Electrical testing
- Surface testing
-Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity

If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.

SN:H0.36667LO86584V43Q0QC0S1

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