GENNUM GY4102A

GY4102A Fast Toggling Video Switch
Features
Description
•
20 ns switching time (toggle)
•
make-before-break switching
•
100 MHz at ±0.1dB, bandwidth (flattened)
•
Pb-free and Green
•
typically 0.04 dB insertion loss at 1 MHz
The GY4102A is a bipolar, monolithic SPDT video switch
incorporating fast control logic. The analog signal path is
characterised by low differential gain, low differential
phase and low insertion loss, coupled with a ±0.1dB
bandwidth of typically 100MHz into a 10pF load, using an
external series resistor.
•
typically 0.03 % differential gain at 3.58 MHz
•
typically 0.01 degree differential phase at 3.58 MHz
Applications
•
Sub-pixel video switching
•
Fast data sampling
•
Modulation
•
Special Effects video switching
In demanding video applications the GY4102A features a
typical switching glitch of less than 30mV over a 3ns
period. The device offers toggle rates up to 50MHz. The
control input is TTL and 5V CMOS compatible.
IN 0
IN 1
CTRL
OUT
CONTROL
LOGIC
Figure A: GY4102A Functional Block Diagram
GY4102A Fast Toggling Video Switch
Data Sheet
13408 - 4
November 2009
www.gennum.com
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Revision History
Version
Date
Changes and/or Modifications
4
November 2009
3
July 2004
2
–
Revisions made.
1
February 1991
New document.
Updated to latest Gennum template and changed from
document number 52021 to 13408.
Added lead-free and green information.
Contents
Features.................................................................................................................................................................1
Applications.........................................................................................................................................................1
Description...........................................................................................................................................................1
Revision History .................................................................................................................................................2
1. Pin Connections .............................................................................................................................................3
1.1 Pin Connections ................................................................................................................................3
1.2 Truth Table ..........................................................................................................................................3
2. Electrical Characteristics ............................................................................................................................4
2.1 Absolute Maximum Ratings ..........................................................................................................4
2.2 Electrical Characteristics ...............................................................................................................4
2.3 Switching Characteristics ..............................................................................................................6
3. Typical Performance Curves .....................................................................................................................7
4. Test Circuits .....................................................................................................................................................9
5. Ordering Information................................................................................................................................ 11
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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1. Pin Connections
1.1 Pin Connections
TOP VIEW
PIN 1
IN 0
8
CTRL
GND 2
GND 1
OUT
VEE
4
IN 1
VCC
5
Figure 1-1: 8-Pin PDIP, 8-Pin SOIC
1.2 Truth Table
Table 1-1: Truth Table
CTRL
OUTPUT
0
IN 0
1
IN 1
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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Proprietary & Confidential
2. Electrical Characteristics
2.1 Absolute Maximum Ratings
Table 2-1 lists the absolute maximum ratings for the GY4102A. Conditions exceeding
the limits listed may cause permanent damage to the device. This is a stress rating only
and functional operation of the device at these or any other conditions above those
listed in the operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Table 2-1: Absolute Maximum Ratings
Parameter
Value
Supply Voltage Range
±6.0 V
Operating Temperature Range
-0°C to 70°C
Storage Temperature Range
-65°C to 150°C
Lead Temperature (Soldering, 10 Sec)
260°C
Analog Input Voltage (IN 0, IN 1)
VEE < VIN< VCC +0.3V
Control Input Voltage Range
-5V < VCTRL < VCC + 0.3V
2.2 Electrical Characteristics
Table 2-2 shows the electrical characteristics of the GY4102A where conditions are VS =
±5V DC, TA = 0 to 70°C, CL = 10pF, RL = 10kΩ unless otherwise shown.
Table 2-2: Electrical Characteristics
Parameter
DC SUPPLY
LOGIC
Symbol
Conditions
Min
Typ
Max
Units
Supply Voltage
±VS
–
4.5
5
5.5
V
Supply Current
Ι+
–
–
23
30
mA
Ι-
–
–
25
32
mA
Control Input Bias
Ι CTRL
Control = 1
–
5
25
μA
Logic Level Threshold
VLOGIC
1
2
–
–
V
0
–
–
0.8
V
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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Table 2-2: Electrical Characteristics (Continued)
Parameter
STATIC
Analog Input Bias
Current
Conditions
Min
Typ
Max
Units
Ι BIAS
Selected Channel
–
12
30
μA
Deselected Channel
–
26
60
μA
Signal Voltage Swing
VSIG
Extremes before
clipping occurs
-1.5
–
+3
V
Output Offset Voltage
VOS
TA = 25°C
-6
+4
+14
mV
Output Offset Voltage
VOSCH-CH
TA = 25°C channel to
channel
–
1
5
μA
ΔVOS/T
–
–
+93
+200
μV/°C
Input Resistance
RIN
Channel On
500
–
–
kΩ
Input Capacitance
CIN
Channel On
1.3
–
–
pF
–
DC - 100MHz
RS = 33Ω
–
±0.2
–
dB
DC - 8MHz
RS = 33Ω
–
±0.01
dB
Output Offset Drift
DYNAMIC
Symbol
Frequency Response
Flatness
Insertion Loss
IL
f = 1MHz
–
0.04
–
dB
Differential Gain
dg
f = colorburst 3.58 or
–
0.03
–
%
–
0.01
–
degrees
75
80
–
dB
400
620
–
V/μs
250
330
–
V/μs
4.43MHz
Differential Phase
dp
f = colorburst 3.58 or
4.43MHz
Crosstalk (all hostile)
XTALKAH
f = 10MHz
See Figure 3-3.
Slew Rate
+SR
-SR
GY4102A Fast Toggling Video Switch
Data Sheet
13408 - 4
November 2009
VIN = 2Vp-p
TA = 25°C
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2.3 Switching Characteristics
Table 2-3 shows the switching characteristics of the GY4102A where conditions are
VS = ±5V, TA = 0°C to 70°C, CL = 10pF, RS = 33Ω, RL = 10kΩ, unless otherwise shown.
Table 2-3: Switching Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Delay Time
td (on 1)
VSIG = 0 -1V
–
5.4
9
ns
–
8.2
13
ns
–
6
11
ns
–
12.5
22
ns
–
9
15
ns
–
7
15
ns
Amplitude
–
+30
+50
mV
Duration
–
3
5
ns
Amplitude
–
-20
-30
mV
Duration
–
2
3
ns
td (on 2)
td (off 1)
VSIG = 1 - 0V
td (off 2)
Settling Time
tS (on)
TO 0.5 IRE on 0 to 1V output,
TA = 25°C
tS (off)
TO 0.5 IRE on 1 to 0V output,
TA = 25°C
Switching Transient*
POS
(Unfiltered)
NEG
*CH0 = CH1 = GND
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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3. Typical Performance Curves
3
2
C = 0 pF
L
RS = 0Ω
RL= 10 kΩ
1
dB
C = 10 pF
L
0
C = 22 pF
-1
L
-2.0
C = 33 pF
L
-3
10
30
100
300
FREQUENCY (MHz)
Figure 3-1: Frequency Response
0.04
RS = 33Ω
CL = 10pF
0
RL = 10kΩ
dB
-0.04
-0.08
-0.12
-0.16
1
10
100
FREQUENCY (MHz)
Figure 3-2: Flattened Frequency Response
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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0
-10
-20
-30
-40
dB
-50
-60
-70
-80
CH-1
-90
CH-0
-100
-110
1
10
100
400
FREQUENCY (MHz)
Figure 3-3: Crosstalk vs Frequency
0.05
0.04
dg ( % ) dp ( deg )
0.03
dg
0.02
0.01
dp
0
-0.01
-0.02
-0.03
-0.04
-0.05
1
3
5
10
FREQUENCY (MHz)
Figure 3-4: Differential Gain and Phase
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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4. Test Circuits
+5V
1μH
0.1
3K
CH-0
5
1
IN-0
8
75
CH-1
GY4102A
2
OUTPUT TO NETWORK
RS
6
4
IN-1
ANALYSER VIA UNITY
3
7
CL
75
GAIN BUFFER
0.1
1μH
-5V
All resistors in ohms, all capacitors in microfarads, unless otherwise stated.
Figure 4-1: Frequency Response
+5V
1μH
+1V
1
5
8
A*
6
B*
2
FOR TIME
DELAY TEST
4
FOR
TRANSIENT
TEST
GY4102A
PULSE
GENERATOR
7
10K
3
-5V
0.1
1μH
*USE ULTRA LOW CAPACITANCE SCOPE PROBES AT POINTS A & B
PULSE GENERATOR CHARACTERISTICS: tr = tƒ ≤ 1ns VO= 5V prr ≤ 20MHz
All resistors in ohms, all capacitors in microfarads, unless otherwise stated.
Figure 4-2: Switching Transient/Time Delays
GY4102A Fast Toggling Video Switch
Data Sheet
13408 - 4
November 2009
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5V
Control
Input
Vthresh=1.5V
0V
1V
1%
Output
99%
t d (off 1)
99%
1%
0V
t
d (on 1)
t
d (on 2)
t d (off 2)
99%
1V
Settling
Time
0V
0.5 IRE
0.5 IRE
99%
ts (on)
5A
t s (off)
5B
Figure 4-3: Delay Time
GY4102A Fast Toggling Video Switch
Data Sheet
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November 2009
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5. Ordering Information
Table 5-1: Ordering Information
Part Number
Package
Temperature
Range
Pb-Free and Green
GY4102ACDA
8 pin PDIP
0°C to 70°C
No
GY4102ACKA
8 pin SOIC
0°C to 70°C
No
GY4102ACKAE3
8 pin SOIC
0°C to 70°C
Yes
DOCUMENT IDENTIFICATION
CAUTION
DATA SHEET
ELECTROSTATIC SENSITIVE DEVICES
The product is in production. Gennum reserves the right to make changes to
the product at any time without notice to improve reliability, function or
design, in order to provide the best product possible.
DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A
STATIC-FREE WORKSTATION
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Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the circuits or devices described herein. The sale of
the circuit or device described herein does not imply any patent license, and Gennum makes no representation that the circuit or device is free from patent
infringement.
All other trademarks mentioned are the properties of their respective owners.
GENNUM and the Gennum logo are registered trademarks of Gennum Corporation.
© Copyright 1991 Gennum Corporation. All rights reserved.
www.gennum.com
GY4102A Fast Toggling Video Switch
Data Sheet
13408 - 4
November 2009
11 of 11
11
Proprietary & Confidential