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GX434CTC Datasheet Preview

GX434CTC Datasheet

GX434 Monolithic 4x1 Video Multiplexer

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GX434CTC pdf
FEATURES
low differential gain: 0.03% typ. at 4.43 MHz
low differential phase: 0.012 deg. typ. at 4.43 MHz
low insertion loss: 0.05 dB max at 100 kHz
low disabled power consumption: 5.2 mW typ.
high off isolation: 110 dB at 10 MHz
all hostile crosstalk @ 5 MHz, 97 dB typ.
bandwidth (-3dB) with 30 pF load, 100 MHz typ.
fast make-before-break switching: 200 ns typ.
TTL and 5 volt CMOS compatible logic inputs
low cost 14 pin DIP and16 pin SOIC packages
optimised performance for NTSC, PAL and SECAM
applications
APPLICATIONS
Glitch free analog switching for...
• High quality video routing
• A/D input multiplexing
• Sample and hold circuits
• TV/ CATV/ monitor switching
AVAILABLE PACKAGING
14 pin DIP and 16 pin SOIC (wide)
FUNCTIONAL BLOCK DIAGRAM
IN 0 X
IN 1 X
IN 2 X
IN 3 X
OUTPUT
A0
A1
2 TO 4 DECODER
LOGIC
CHIP
SELECT
CS
GX434 Monolithic 4x1
Video Multiplexer
DATA SHEET
CIRCUIT DESCRIPTION
The GX434 is a high performance low cost monolithic 4x1
video multiplexer incorporating four bipolar switches with a
common output, a 2 to 4 address decoder and fast chip select
circuitry. The chip select input allows for multi-chip paralleled
operation in routing matrix applications. The chip is selected
by applying a logic 0 on the chip select input.
Unlike devices using MOS bilateral switching elements, these
bipolar circuits represent fully buffered, unilateral transmission
paths when selected. This results in extremely high output to
input isolation. They also feature fast make-before-break
switching action. These features eliminate such problems as
switching 'glitches' and output-to-input signal feedthrough.
The GX434 operates from ± 7 to ± 13.2 volt DC supplies. They
are specifically designed for video signal switching which
requires extremely low differential phase and gain. Logic
inputs are TTL and 5 volt CMOS compatible providing address
and chip select functions. When the chip is not selected, the
output goes to a high impedance state.
PIN CONNECTIONS
TOP VIEW
IN 0 PIN 1
GND
IN 1
GND
IN 2
GND
IN 3 7
14 +8V
AO
A1
CS
O/P
NRC
EXT
8 -8V
TOP VIEW
IN 0 PIN 1
16
GND
IN 1
GND
IN 2
GND
IN 3
NC
8
9
PIN CONNECTION
14 PIN DIP
GX434
PIN CONNECTION
16 PIN SOIC
(wide)
+8V
NC
AO
A1
CS
O/P
NRCEXT
-8V
TRUTH TABLE
CS A1 A0
00 0
00 1
OUTPUT
IN 0
IN 1
01
01
0
1
IN 2
IN 3
1X X
HI - Z
X = DON'T CARE
Document No. 510 - 34 - 2
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-5946
Japan Branch: A-302 M i yamae Vi l l age, 2–10–42 M i yamae, Suginami–ku, Tokyo 168, Japan tel. (03) 3334-7700 fax (03) 3247-8839



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GX434CTC Datasheet Preview

GX434CTC Datasheet

GX434 Monolithic 4x1 Video Multiplexer

No Preview Available !

GX434CTC pdf
ABSOLUTE MAXIMUM RATINGS
Parameter
Value & Units
Supply Voltage
± 13.5V
Operating Temperature Range
0°C TA 70° C
Storage Temperature Range
-65°C TS 150° C
Lead Temperature (Soldering, 10 Sec)
260° C
Analog Input Voltage
Analog Input Current
Logic Input Voltage
-4V VIN +2.4V
50µA AVG, 10 mA peak
-4V VL +5.5V
+Vcc
CS
IN
OUT
CS # 2
CS 3mA # 3
#4
Fig.1 Crosspoint Equivalent Circuit
-V
ORDERING INFORMATION
Part Number
Package Type Temperature Range
GX434 – – CDB 14 Pin DIP
0° to 70° C
GX434 – – CKC 16 Pin SOIC
0° to 70° C
GX434 – – CTC Tape 16 Pin SOIC
0° to 70° C
CAUTION
ELECTROSTATIC SENSITIVE DEVICES
DO NOT OPEN PACKAGES OR HANDLE
DEVICES EXCEPT AT A
STATIC-FREE WORKSTATION
V IN
0.7pF 0.7pF 0.7pF
0.7pF
VOUT
1.5pF
0.65V
1.2k
+
1.3 V
2pF
600
+
16pF
Common
COUT
12pF
Fig. 2 Disabled Crosspoint Equivalent Circuit
ELECTRICAL CHARACTERISTICS (VS = ±8V DC, 0°C < TA < 70°C, CL = 30 pF, RL = 10kunless otherwise shown.)
GX434
PARAMETER
SYMBOL
CONDITIONS
Supply Voltage
DC
± VS
I+ Chip selected (CS=0)
SUPPLY
Supply current
Chip not selected (CS=1)
I- Chip selected (CS=0)
Chip not selected (CS=1)
Analog Output
Analog Input Bias
Current
VOUT
IBIAS
Extremes before clipping
occurs.
STATIC Output Offset Voltage VOS TA = 25°C, 75 resistor
on each input to gnd
Output Offset Voltage VOS/T
Drift
REXT = 33.2 k, 1%
MIN TYP MAX
7 8 13.2
- 10.5 11.5
- 0.4 0.58
- 10.2 11.2
- 0.25 0.38
- +2 -
- -1.2
- 22 -
UNITS
V
mA
mA
mA
mA
V
µA
0 7 14
- +50 +200
mV
µV/°C
510 -34 -2
2


Part Number GX434CTC
Description GX434 Monolithic 4x1 Video Multiplexer
Maker ETC
Total Page 9 Pages
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