GS9029 ETC, GS9029 Datasheet

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GS9029

Manufacturer Part Number
GS9029
Description
GENLINX GS9029 Quad Output Serial Digital Video Cable Driver
Manufacturer
ETC
Datasheet
Revision Date: February 2000
FEATURES
• SMPTE 259M compliant
• four isolated outputs (two complimentary pairs),
• operational from 143Mb/s to 540Mb/s and beyond
• nominal 500ps rise/fall times
• precise ±7.5% output amplitudes
• 40% system power reduction over GS9007
• 75 on-chip input termination resistors
• input hysteresis
• operational down to 80mV input amplitude
• superior output isolation
• "Bus Through" expansion port for fan out
APPLICATIONS
4ƒsc, 4:2:2 and 4:4:4:4 serial digital video co-axial
transmission interfaces from 143 to 540Mb/s;
purpose cable driving applications (co-axial cable or UTP).
adjustable from 50mV-1000mV into 75 loads
requirements
R
R
SDI/T
SDI/T
SET0
SET1
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3
SDI
SDI
Tel. +1 (905) 632-2996
75
DIFFERENTIAL
HYSTERESIS
PAIR WITH
75
INPUT
BANDGAP REFERENCE & BIASING CIRCUIT
General
Fax. +1 (905) 632-5946
BLOCK DIAGRAM
www.gennum.com
GENLINX
DESCRIPTION
The GS9029 is a second generation bipolar integrated
circuit designed to drive four 75 co-axial cables.
The GS9029 features two pairs of complementary outputs
whose amplitude is controlled within ±7.5%. The output
signal levels are also adjustable from 50mVp-p up to
1000mVp-p with little change in other performance
parameters. The amplitude of the output stage is varied by
adjusting the R
mode outputs ensure superior output return loss and
minimal over shoot. The rise/fall time circuitry allows wide
range operation and provides symmetrical balanced
outputs to reject power supply noise. In addition high output
isolation ensures that the cable driver outputs are not
affected by the performance or status of other outputs.
Operational with input amplitudes as low as 80mV, the
GS9029 provides a robust serial interface.
The GS9029 is packaged in a 16 pin narrow SOIC and
operates from a single +5 or -5 volt supply. Typical system
power consumption is 320mW which is 40% less than the
GS9007.
ORDERING INFORMATION
CONTROL CIRCUIT
OUTPUT STAGE &
RISE/FALL TIME
PART NUMBER
GS9029-CKD
GS9029-CTD
Serial Digital Video Cable Driver
E-mail: info@gennum.com
SET
II
resistor value. The patented current
16 pin SOIC Narrow
GS9029 Quad Output
16 pin SOIC Tap
PACKAGE
SDO1
SDO1
SDO0
SDO0
Document No. 521 - 97 - 02
TEMPERATURE
0°C to 70°C
0°C to 70°C
DATA SHEET

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GS9029 Summary of contents

Page 1

... Operational with input amplitudes as low as 80mV, the GS9029 provides a robust serial interface. The GS9029 is packaged pin narrow SOIC and operates from a single + volt supply. Typical system General power consumption is 320mW which is 40% less than the GS9007 ...

Page 2

ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage ( Input Voltage Range (any input) Maximum Die Temperature Operating Temperature Range Storage Temperature Range Lead Temperature (soldering, 10 sec) DC ELECTRICAL CHARACTERISTICS ...

Page 3

AC ELECTRICAL CHARACTERISTICS 0°C TO 70°C unless otherwise specified. Specifications assume 800mV output amplitude into PARAMETER SYMBOL Serial Data Bit Rate Additive Jitter Output Rise/Fall Times t , ...

Page 4

... SDI/T, SDI/T I Dual mode pin: a) “Bus Through” pins for serial data inputs when additional GS9029s are used on the same bus. b) Termination pins when using a single GS9029, or when the device is the last on an input bus. 13, 14 SDO0,SDO0 O First differential serial output (true and inverse). ...

Page 5

TYPICAL PERFORMANCE CURVES (V 530 525 520 515 510 505 500 495 490 485 480 TEMPERATURE (˚C) Fig. 1 Rise/Fall vs. Temperature 1.62 1.61 1.60 1.59 1. TEMPERATURE (˚C) Fig. ...

Page 6

... PCB dependent. Typically, R equals the transmission line characteristic impedance and SDI approximately 8.2nH. SDI/T OUTPUT AMPLITUDE ADJUSTMENT The GS9029 outputs are adjustable from as low as 50mV to as high as 1000 mV. The output amplitudes are set by the R and the R SET0 between the approximate output amplitude (V ...

Page 7

... The input pins of the GS9029 are configured so that two or three GS9029's can easily be connected to a single input bus as shown below. On-chip input termination resistors permit a proper termination by connecting pins the last device on the bus. If only one GS9029 is used, it should be connected as the last device in the diagram below. SDI Fig ...

Page 8

... R SET1 SET0 54 SDO1 SDO0 4 13 SDO1 SDO0 5 GS9029 SDI SDI SDI SDI/T REVISION NOTES: Updated serial data bit rate values in Features and Description; Updated AC and DC Electrical Characteristics Tables; Removed Figure 5; Updated Typical Application Circuit ...

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