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The GENLINX GS9008A is a bipolar integrated circuit designed to drive two 75Ohm co-axial cables at data rates exceeding 400Mb/s. It directly interfaces with other GENLINX devices and can also be used as a general purpose high speed cable driver.
While there are no plans to discontinue the GS9008A, Gennum has developed a successor product with improved features and performance called the GS9028. The GS9028 is recommended for new designs.
The differential inputs are AC-coupled and internally DC-restored which allows correct passage of pathological check codes associated with the serial digital standards. Even though the inputs are AC coupled, static protection diodes at each input restrict the DC differential so that if the driving source uses the opposite polarity power supply, external DC blocking capacitors must be used.
Correctly terminated output signal levels are adjustable from as low as 0mV to as high as 1100mV with little change in other performance parameters. Performance is guaranteed for output levels between 600mV and 1000mV. The gain of the output stages is varied by adjusting the VSET voltage with respect to an internal band gap reference voltage VREF.
The GS9008A is packaged in an 8 pin SOIC, and operates from a single +5 or -5 volt supply consuming typically only 170mW of power.
GS9008A Maximum Ratings
Supply Voltage (VS) .........5.5V Input Voltage Range (any input) VS...... -0.5V Power Dissipation ..........................300mW Operating Temperature Range .......0°C TA 70°C Storage Temperature Range...... -65°C TS 150°C Lead Temperature (soldering, 10 sec)............... 260°C
GS9008A Features
• two output pairs, adjustable from 0 to 1100mVp-p into 75 loads • nominal 600 ps rise and fall times • accepts SMPTE and standard ECL input levels • operates from a single +5 or -5 volt supply • on-chip DC restoration for low jitter • 170mW power dissipation • interfaces with GENLINX™ GS9002, GS9004A,GS9005A and GS9015A • Pb-free and Green
GS9008A Typical Application
• SMPTE 259M Serial Digital Systems (4:2:2 & 4ƒsc) • Other Serial Digital Video Interfaces - 360Mb/s • General purpose high speed driver applications
GS9008A Connection Diagram
GS9009 General Description
The GENLINX™ GS9009 is a bipolar integrated circuit designed to drive four 75 Ω co-axial cables at data rates exceeding 400 Mb/s. It directly interfaces with other GENLINX™ devices and can also be used as a general purpose high speed cable driver.
The differential inputs are AC-coupled and internally DC-restored which allows correct passage of pathological check codes associated with the serial digital standards. Even though the inputs are AC coupled, static protection diodes at each input restrict the DC differential so that if the driving source uses the opposite polarity power supply, external DC blocking capacitors must be used.
GS9009 Maximum Ratings
PARAMETER
VALUE
Supply Voltage (VS)
5.5 V
Input ESD Voltage(any input)
VS -0.5 V
Power Dissipation
300 mW
Operating Temperature Range
0°C TA 70°C
Storage Temperature Range
-65°C TS 150°C
Lead Temperature (soldering, 10 sec)
260°C
GS9009 Features
• two output pairs, adjustable from 0 to 1100 mVp-p into 75 Ω loads • nominal 600 ps rise and fall times • accepts SMPTE and standard ECL input levels • operates from a single +5 or -5 volt supply • on-chip DC restoration for low jitter • 250 mW power dissipation • interfaces with GENLINX™ GS9002, GS9004A, GS9005A and GS9015A
GS9009 Typical Application
• SMPTE 259M Serial Digital Systems (4:2:2 & 4ƒsc) • Other Serial Digital Video Interfaces - 360 Mb/s • General purpose high speed driver applications