LTC1519
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LTC1519

High Speed, Precision Delay RS485 Quad Line Receivers

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $7.66
Features
  • Precision Propagation Delay: 18.5ns ±3.5ns Over 0°C to 70°C Temperature Range
  • Data Rate: 52Mbps
  • Low tPLH/tPHL Skew: 500ps Typ
  • Low Channel-to-Channel Skew: 500ps Typ
  • –7V to 12V RS485 Input Common Mode Range
  • Input Resistance ≥22k, Even When Unpowered
  • Guaranteed Fail-Safe Operation over the Entire Common Mode Range
  • Hot Swap Capable
  • High Common Mode Rejection to 26MHz
  • Short-Circuit Protection: 10mA Typ Output Current for an Indefinite Short
  • Three-State Output Capability
  • Will Not Oscillate with Slow Moving Input Signals
  • Single 5V Supply
  • Pin Compatible with LTC488, LTC489
Additional Details
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The LTC1518/LTC1519 are high speed, precision delay differential quad bus/line receivers that can operate at data rates as high as 52Mbps. They are pin compatible with the LTC488/LTC489 RS485 line receivers and operate over the entire –7V to 12V common mode range. A unique architecture provides very stable propagation delays and low skew over wide input common mode, input overdrive and ambient temperature ranges. Propagation delay is 18.5ns ±3.5ns over the commercial temperature range. Typical tPLH/tPHL and channel-to-channel skew is 500ps.

Each receiver translates differential input levels (| VID | ≥ 300mV) into valid CMOS and TTL output levels. Its high input resistance (≥22k) allows many receivers to be connected to the same driver. The receiver outputs go into a high impedance state when disabled.

The receivers have a fail-safe feature that guarantees a high output state when the inputs are shorted or left floating. Other protection features include thermal shutdown and a controlled maximum short-circuit current (50mA Max). Input resistance remains ≥22k when the device is unpowered or disabled, thus allowing hot swapping without loading the data lines.

The LTC1518/LTC1519 operate from a single 5V supply and draw 12mA of supply current.

Applications

  • High Speed RS485/RS422 Receivers
  • STS-1/OC-1 Data Receivers
  • PECL Line Receivers
  • Level Translators
  • Fast-20/Fast-40 SCSI Receiver
Part Models 4
1ku List Price Starting From $7.66

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Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

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Oct 12, 2022

- 22_0252

Epoxy Change from Henkel 8290 to 8290A for 16-Lead SOIC Package

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LTC1519CS#TRPBF

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Aug 6, 2022

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Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]

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Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Oct 12, 2022

- 22_0252

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Epoxy Change from Henkel 8290 to 8290A for 16-Lead SOIC Package

LTC1519CS#PBF

PRODUCTION

LTC1519CS#TRPBF

PRODUCTION

LTC1519IS#PBF

PRODUCTION

LTC1519IS#TRPBF

PRODUCTION

Aug 6, 2022

- 22_0173

arrow down

Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]

LTC1519CS#PBF

PRODUCTION

LTC1519CS#TRPBF

PRODUCTION

LTC1519IS#PBF

PRODUCTION

LTC1519IS#TRPBF

PRODUCTION

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