GENLINX鈩?/div>
GS9002, GS9004A,
GS9005A and GS9015A
APPLICATIONS
鈥?SMPTE 259M Serial Digital Systems (4:2:2 & 4茠sc)
鈥?Other Serial Digital Video Interfaces - 360 Mb/s
鈥?General purpose high speed driver applications
PIN CONNECTIONS
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 0 mV to as high as 1100 mV with little
change in other performance parameters. Performance is
g u a r a n t e e d f o r o u t p u t l e v e l s b e t w e e n 600 m V a n d
1000 mV. The gain of the output stages is varied by
adjusting the V
SET
voltage with respect to an internal
bandgap reference voltage V
REF
.
Pinout is compatible with the GS9007 by interchanging
pins 3,4,5,6,9,10,11,12 on the GS9009 with pins 1,2,3,4,5,6,7,8
on the GS9007. In this way, a layout can be made for either
device depending on whether adjustability is desired or
not.
The GS9009 is packaged in a 14 pin SOIC, and operates
from a single +5 or -5 volt supply consuming typically only
250 mW of power.
FUNCTIONAL BLOCK DIAGRAM
DEVICE DESCRIPTION
The
GENLINX鈩?/div>
GS9009 is a bipolar integrated circuit
designed to drive four 75
鈩?/div>
co-axial cables at data rates
exceeding 400 Mb/s. It directly interfaces with other
GENLINX鈩?/div>
devices and can also be used as a general
purpose high speed cable driver.
NC
NC
OUTPUT 1
OUTPUT 1
OUTPUT 2
OUTPUT 2
VSET
1
2
3
14
13
12
NC
NC
VCC
INPUT
INPUT
VEE
VREF
GS9009
4
5
6
7
11
10
9
8
GS9009
V
SET
GAIN
CONTROL
V
CC
(GND)
ORDERING INFORMATION
Part Number
GS9009 - CKB
Package Type
14 Pin SOIC
Temperature Range
INPUT
OUTPUT
DRIVER
INPUT BUFFER
&
DC RESTORE
OUTPUT 2
OUTPUT 2
OUTPUT 1
OUTPUT 1
0擄 to 70擄C
INPUT
OUTPUT
DRIVER
V
REF
BAND-GAP
REFERENCE
GND (V
EE
)
Patent No. 5,426,389.
Revision Date: January 1994
Document No. 520 - 75 - 5
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3
Japan Branch: A-302, M i yamae Village, 2鈥?0鈥?2 Mi yamae, Suginami鈥搆u, Tokyo 168, Japan
tel. (905) 632-2996 fax: (905) 632-2055
tel. (03) 3247-8838
fax (03) 3247-8839
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