LTC1687ISTRPBF, LTC1688, LTC1688CG Selling Leads, Datasheet
MFG:LT Package Cooled:SOP14 D/C:936
LTC1687ISTRPBF, LTC1688, LTC1688CG Datasheet download
Part Number: LTC1687ISTRPBF
MFG: LT
Package Cooled: SOP14
D/C: 936
LTC1687ISTRPBF, LTC1688, LTC1688CG
- Table of contents:
Info of LTC1687ISTRPBF
Info of LTC1688
Info of LTC1688CG
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About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About LTC1688
PDF/DataSheet Download
Datasheet: LTC1688
File Size: 87445 KB
Manufacturer: Linear
Download : Click here to Download
About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
LTC1688 General Description
The LTC®1688/LTC1689 are ultrahigh speed, differential bus/line drivers that can operate at data rates up to 100Mbps. Propagation delay is guaranteed at 8ns ±4ns over the full operating temperature range. These devices operate over the full RS485 common mode range (7V to 12V), and also meet RS422 requirements.
The driver outputs are Hot Swap capable, maintaining backplane data integrity during board insertion and removal. The drivers feature three-state outputs, maintaining high impedance over the entire common mode range ( 7V to 12V). Outputs also remain high impedance during power-up and with the power off. A short-circuit feature detects bus contention and substantially reduces driver output current. Thermal shutdown circuitry protects the parts from excessive power dissipation.
The LTC1688 allows all four drivers to be enabled together, while the LTC1689 allows two drivers at a time to be enabled.
The LTC1688/LTC1689 operate from a single 5V or 3V supply and draw only 9mA of supply current.
LTC1688 Maximum Ratings
Supply Voltage (VDD) ................................................ 7V
Enable Input Voltages ................. 0.5V to (VDD + 0.5V)
Enable Input Currents ..................... 100mA to 100mA
Driver Input Voltages .................. 0.5V to (VDD + 0.5V)
Driver Output Voltages ................. ( 12V + VDD) to 12V
Driver Input Currents ...................... 100mA to 100mA
Short-Circuit Duration (VOUT: 7V to 10V) ...... Indefinite
Operating Temperature Range
LTC1688C/LTC1689C ................................ 0°C to 70°C
LTC1688I/LTC1689I ............................. 40°C to 85°C
Storage Temperature Range .............. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Enable Input Voltages ................. 0.5V to (VDD + 0.5V)
Enable Input Currents ..................... 100mA to 100mA
Driver Input Voltages .................. 0.5V to (VDD + 0.5V)
Driver Output Voltages ................. ( 12V + VDD) to 12V
Driver Input Currents ...................... 100mA to 100mA
Short-Circuit Duration (VOUT: 7V to 10V) ...... Indefinite
Operating Temperature Range
LTC1688C/LTC1689C ................................ 0°C to 70°C
LTC1688I/LTC1689I ............................. 40°C to 85°C
Storage Temperature Range .............. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
LTC1688 Features
·Ultrahigh Speed: 100Mbps
·Guaranteed Propagation Delay: 8ns ±4ns Over Temperature
·Low Channel-to-Channel Skew: 500ps Typ
·Hot SwapTM Capable
·50Mbps Operation with VDD = 3V
·Low tPLH/tPHL Skew: 500ps Typ
·Driver Outputs Maintain High Impedance in Three-State or with Power Off
·Short-Circuit Protected: 3mA Typ Output Current for an Indefinite Short
·Thermal Shutdown Protected
·Single 5V or 3V Supply
·Pin Compatible with LTC486/LTC487
·Guaranteed Propagation Delay: 8ns ±4ns Over Temperature
·Low Channel-to-Channel Skew: 500ps Typ
·Hot SwapTM Capable
·50Mbps Operation with VDD = 3V
·Low tPLH/tPHL Skew: 500ps Typ
·Driver Outputs Maintain High Impedance in Three-State or with Power Off
·Short-Circuit Protected: 3mA Typ Output Current for an Indefinite Short
·Thermal Shutdown Protected
·Single 5V or 3V Supply
·Pin Compatible with LTC486/LTC487
LTC1688 Typical Application
·High Speed RS485 Twisted-Pair Drivers
·High Speed Backplane Drivers
·Complementary Clock Drivers
·STS-1/OC-1 Data Drivers
·SCSI Drivers
·High Speed Backplane Drivers
·Complementary Clock Drivers
·STS-1/OC-1 Data Drivers
·SCSI Drivers
LTC1688 Connection Diagram
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