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| GY4102A Fast Toggling Video Switch DATA SHEET FEATURES * 20 ns switching time (toggle) * make-before-break switching * 100 MHz at 0.1dB, bandwidth (flattened) * 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 CIRCUIT 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 0.1 dB bandwidth of typically 100 MHz into a 10 pF load, using an external series resistor. In demanding video applications the GY4102A features a typical switching glitch of less than 30 mV over a 3 ns period. The device offers toggle rates up to 50 MHz. The control input is TTL and 5 V CMOS compatible. APPLICATIONS FUNCTIONAL BLOCK DIAGRAM * * * * Sub-pixel video switching Fast data sampling Modulation Special Effects video switching IN 0 IN 1 OUT CTRL CONTROL LOGIC PIN CONNECTIONS TOP VIEW IN 0 PIN 1 8 CTRL GND 2 OUT 4 5 VCC ABSOLUTE MAXIMUM RATINGS GND 1 VEE PARAMETER Supply Voltage Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 Sec) Analog Input Voltage (IN 0, IN 1) Control Input Voltage Range VALUE IN 1 6.0 V 0C to 70 C -65C to 150 C 260 C VEE CTRL 0 1 OUTPUT IN 0 IN 1 ORDERING INFORMATION Part Number GY4102ACDA GY4102ACKA Package Type 8 pin PDIP 8 pin SOIC Temperature Range 0 - 70 C 0 - 70oC o AVAILABLE PACKAGING * 8 pin PDIP * 8 pin SOIC Document No. 520 - 21 - 2 GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (416) 632-2996 fax: (416) 632-2055 telex: 061-8525 Japan Branch: B-210 Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3247-8838 fax: (03) 3247-8839 ELECTRICAL CHARACTERISTICS (VS = 5V DC, TA = 0 - 70C, C L = 10pF, RL = 10 k unless otherwise shown) PARAMETER Supply Voltage DC SUPPLY Control Input Bias LOGIC Logic Level threshold Supply Current SYMBOL V I+ II CTRL VLOGIC I BIAS VSIG V OS S CONDITIONS MIN 4.5 - TYP 5 23 25 5 12 26 +4 1 MAX 5.5 30 32 25 0.8 30 60 +3 +14 5 +200 0.01 - UNITS V mA mA A V V A A V mV mV V/C k pF dB dB dB % degrees dB V/s V/s Control = 1 1 0 2 -1.5 -6 - Analog Input Bias Current Signal Voltage Swing STATIC Output Offset Voltage Output Offset Voltage Output Offset Drift Input Resistance Input Capacitance Frequency Response DYNAMIC Flatness Insertion Loss Differential Gain Differential Phase Crosstalk (all hostile) Slew Rate Selected channel Deselected channel Extremes before clipping occurs TA = 25C TA = 25C channel to channel VOSCH-CH VOS /T RIN CIN +93 0.2 0.04 0.03 0.01 80 620 330 Channel On Channel On DC - 100 MHz RS = 33 DC - 8 MHz RS = 33 = 1 MHz = colorburst 3.58 or 4.43 MHz = colorburst 3.58 or 4.43 MHz = 10 MHz see fig. 3 500 1.3 75 400 I.L. dg dp XTALKAH +SR -SR VIN= 2 Vp-p T A = 25C 250 SWITCHING CHARACTERISTICS PARAMETER Delay Time (VS = 5V, TA = 0 - 70C, CL =10pF, RS = 33 , R L = 10 k) CONDITIONS MIN V SIG = 0 - 1 V V SIG = 1 - 0 V To 0.5 IRE on 0 to 1 V output, TA = 25 9 15 ns TYP 5.4 8.2 6 12.5 MAX 9 13 11 22 UNITS ns ns ns ns SYMBOL t d (on 1) t d (on 2) (see Figure 7) td (off 1) t d (off 2) Settling Time (see Figure 7a) (see Figure 7b) t S (on) t S (off) To 0.5 IRE on 1 to 0 V output, TA = 25C 7 +30 3 -20 2 15 +50 5 -30 3 ns mV ns mV ns Switching Transient * (Unfiltered) POS. Amplitude Duration NEG. Amplitude Duration * CH0 = CH1 = GND 520 - 21 - 2 2 TYPICAL PERFORMANCE CURVES FOR GY4102A 3 2 1 dB 0 -1 -2.0 -3 C = 22 pF L 0.04 RS = 33 RS = 0 R L = 10 k CL = 0 pF 0 CL = 10 pF R L = 10 k C = 10 pF L -0.04 dB -0.08 -0.12 -0.16 C = 33 pF L 10 30 100 300 1 10 FREQUENCY (MHz) 100 FREQUENCY (MHz) Fig. 1 GY4102A Frequency Response Fig. 2 GY4102A Flattened Frequency Response 0 -10 -20 dg ( % ) dp ( deg ) -30 -40 -50 dB -60 -70 -80 -90 -100 -110 1 10 FREQUENCY (MHz) 100 400 CH-1 CH-0 0.05 0.04 0.03 0.02 0.01 0 -0.01 -0.02 -0.03 -0.04 -0.05 1 3 5 10 FREQUENCY (MHz) dp dg Fig. 3 GY4102A Crosstalk vs Frequency Fig. 4 GY4102A Differential Gain & Phase An evaluation board and application note on the GY4102A is available. Please quote EB4102 for the board and AN 520 - 2 for the application note. There is no charge for these items. 3 520 - 21 - 2 GY4102A TEST CIRCUITS +5V 1H 0.1 5 IN-0 75 1 8 CH-1 GY4102A 4 2 75 0.1 1H -5V All resistors in ohms, all capacitors in microfarads unless otherwise stated 7 3 6 RS CL OUTPUT TO NETWORK ANALYSER VIA UNITY GAIN BUFFER 3K CH-0 IN-1 Fig. 5 Frequency Response +5V 0.1 1H +1V 1 2 5 8 A* PULSE GENERATOR FOR TIME DELAY TEST FOR TRANSIENT TEST GY4102A 4 7 3 6 B* 10K -5V 0.1 1H *USE ULTRA LOW CAPACITANCE SCOPE PROBES AT POINTS A & B t = t 1 ns V = 5V prr 20 MHz PULSE GENERATOR CHARACTERISTICS trr= t 1 ns Voo = 5 V prr 20 MHz All resistors in ohms, all capacitors in microfarads unless otherwise stated Fig. 6 Switching Transient / Time Delays 520 - 21 - 2 4 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) 7A Settling Time 0V 0.5 IRE t s (off) 7B 5A Fig. 7 Delay Time 5B DOCUMENT IDENTIFICATION PRODUCT PROPOSAL This data has been compiled for market investigation purposes only, and does not constitute an offer for sale. ADVANCE INFORMATION NOTE This product is in development phase and specifications are subject to change without notice. Gennum reserves the right to remove the product at any time. Listing the product does not constitute an offer for sale. PRELIMINARY DATA SHEET The product is in a preproduction phase and specifications are subject to change without notice. DATA SHEET The product is in production. Gennum reserves the right to make changes at any time to improve reliability, function or design, in order to provide the best product possible. CAUTION ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A STATIC-FREE WORKSTATION Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. (c) Copyright February 1991 Gennum Corporation . Revision Date: January 1993. All rights reserved. Printed in Canada. 5 520 - 21 - 2 |
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