GY4102A Fast Toggling Video Switch
Features
• • • • • • • 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 typically 0.03 % differential gain at 3.58 MHz typically 0.01 degree differential phase at 3.58 MHz
Description
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. 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.
Applications
• • • • Sub-pixel video switching Fast data sampling Modulation Special Effects video switching
IN 0 IN 1 OUT
CTRL
CONTROL LOGIC
Figure A: GY4102A Functional Block Diagram
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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Revision History
Version
4
Date
November 2009
Changes and/or Modifications
Updated to latest Gennum template and changed from document number 52021 to 13408. Added lead-free and green information. Revisions made. New document.
3 2 1
July 2004 – February 1991
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 13408 - 4 November 2009
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1. Pin Connections
1.1 Pin Connections
TOP VIEW
IN 0 GND 1 VEE IN 1 4 5 PIN 1 8 CTRL GND 2 OUT VCC
Figure 1-1: 8-Pin PDIP, 8-Pin SOIC
1.2 Truth Table
Table 1-1: Truth Table
CTRL
0 1
OUTPUT
IN 0 IN 1
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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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
Supply Voltage Range Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 Sec) Analog Input Voltage (IN 0, IN 1) Control Input Voltage Range
Value
±6.0 V -0°C to 70°C -65°C to 150°C 260°C VEE < VIN< VCC +0.3V -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 Supply Voltage Supply Current
Symbol
±VS Ι+ Ι-
Conditions
– – – Control = 1 1 0
Min
4.5 – – – 2 –
Typ
5 23 25 5 – –
Max
5.5 30 32 25 – 0.8
Units
V mA mA μA V V
LOGIC
Control Input Bias Logic Level Threshold
Ι CTRL VLOGIC
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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Table 2-2: Electrical Characteristics (Continued)
Parameter
STATIC Analog Input Bias Current Signal Voltage Swing
Symbol
Ι BIAS
Conditions
Selected Channel Deselected Channel
Min
– – -1.5
Typ
12 26 –
Max
30 60 +3
Units
μA μA V
VSIG VOS VOSCH-CH ΔVOS/T RIN CIN
–
Extremes before clipping occurs TA = 25°C TA = 25°C channel to channel – Channel On Channel On DC - 100MHz RS = 33Ω DC - 8MHz RS = 33Ω
Output Offset Voltage Output Offset Voltage
-6 –
+4 1
+14 5
mV μA μV/°C kΩ pF dB
Output Offset Drift DYNAMIC Input Resistance Input Capacitance Frequency Response Flatness
– 500 1.3 –
+93 – – ±0.2
+200 – – –
–
±0.01
dB
Insertion Loss Differential Gain
IL dg
f = 1MHz f = colorburst 3.58 or
4.43MHz
– –
0.04 0.03
– –
dB %
Differential Phase
dp
f = colorburst 3.58 or
4.43MHz
–
0.01
–
degrees
Crosstalk (all hostile)
XTALKAH
f = 10MHz
See Figure 3-3.
75
80
–
dB
Slew Rate
+SR -SR
VIN = 2Vp-p TA = 25°C
400 250
620 330
– –
V/μs V/μs
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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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
Delay Time
Symbol
td (on 1) td (on 2) td (off 1) td (off 2)
Conditions
VSIG = 0 -1V
Min
– –
Typ
5.4 8.2 6 12.5 9
Max
9 13 11 22 15
Units
ns ns ns ns ns
VSIG = 1 - 0V
– –
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
–
7
15
ns
Switching Transient* (Unfiltered)
POS
Amplitude Duration
– – – –
+30 3 -20 2
+50 5 -30 3
mV ns mV ns
NEG *CH0 = CH1 = GND
Amplitude Duration
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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3. Typical Performance Curves
3 2 RS = 0Ω 1
dB
C = 0 pF
L
RL= 10 kΩ C = 10 pF
L
0 -1 C = 22 pF
L
-2.0 -3 10 30 100 300 FREQUENCY (MHz)
C = 33 pF
L
Figure 3-1: Frequency Response
0.04 RS = 33Ω 0 CL = 10pF RL = 10kΩ -0.04
dB
-0.08
-0.12
-0.16 1 10 FREQUENCY (MHz) 100
Figure 3-2: Flattened Frequency Response
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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0 -10 -20 -30 -40 -50
dB
-60 -70 -80 -90 CH-1 CH-0
-100 -110 1 10 FREQUENCY (MHz) 100 400
Figure 3-3: Crosstalk vs Frequency
0.05 0.04 0.03
dg ( % ) dp ( deg )
dg
0.02 0.01 0 -0.01 -0.02 -0.03 -0.04 -0.05 1 3 5 10 FREQUENCY (MHz) dp
Figure 3-4: Differential Gain and Phase
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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4. Test Circuits
+5V 1μH 0.1 5 IN-0 75 1 8 CH-1 3K CH-0
GY4102A
4 2 7 1μH -5V 3 0.1 6 RS
OUTPUT TO NETWORK ANALYSER VIA UNITY CL GAIN BUFFER
IN-1 75
All resistors in ohms, all capacitors in microfarads, unless otherwise stated.
Figure 4-1: Frequency Response
+5V 1μH 5 8 2 FOR TIME DELAY TEST FOR TRANSIENT TEST 4 7 3 10K A* PULSE GENERATOR
+1V
1
GY4102A
6
B*
-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 Vthresh=1.5V 0V Control Input
1V 99% t d (off 1) 0V t d (on 1) t 1%
1% Output 99%
d (on 2)
t d (off 2)
99%
1V 0.5 IRE 99% ts (on)
Settling Time
0V 0.5 IRE
t s (off)
5A
5B
Figure 4-3: Delay Time
GY4102A Fast Toggling Video Switch Data Sheet 13408 - 4 November 2009
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5. Ordering Information
Table 5-1: Ordering Information
Part Number Package Temperature Range
0°C to 70°C 0°C to 70°C 0°C to 70°C
Pb-Free and Green
GY4102ACDA GY4102ACKA GY4102ACKAE3
8 pin PDIP 8 pin SOIC 8 pin SOIC
No No Yes
DOCUMENT IDENTIFICATION
CAUTION
ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A STATIC-FREE WORKSTATION
DATA SHEET
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.
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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
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