LTC491IS - Linear Technology

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LTC491IS
Manufacturer

Linear Technology
ChipWorker Part#

CW128126237
Category

Interface IC, Interface Controller
Package

SOP-14
Description

Single Transmitter/Receiver RS-422/RS-485 14Pin SOIC N
Documentation

Datasheet

LTC491IS Global Supplier

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LTC491IS Specifications

Attribute	Attribute Value

Part Number	LTC491IS
Manufacturer	Linear Technology
ChipWorker Part#	CW128126237
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	SOP-14
Supply Voltage (DC)	5.25V (max)
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.75V ~ 5.25V
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Size-Width	3.9 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Bulk
RoHS	Non-Compliant
Lead-Free Status	Contains Lead

Product 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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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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