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| EL4344C/EL4348C - Preliminary EL4344C/EL4348C - Preliminary 600MHz Multiplexing Amplifiers Features * * * * * * * 4:1 Mux Triple channels 5V operation Gain of 1 (EL4344C) Gain of 2 (EL4348C) 600MHz bandwidth Supply current of 11mA/channel General Description The EL4344C and EL4348C are 600MHz bandwidth multiplexing amplifiers designed primarily for input video switching. The EL4344C and EL4348C contain 4:1 multiplexing amplifiers. The EN pin can be used to tri-state the MUX output, enabling parts to be paralleded for a greater number of inputs. All logic inputs are referenced to the GND pin. The EL4344C has a gain of 1 and the EL4348C has a gain of 2. The EL4344C and the EL4348C are available in a 28-pin QSOP package and are specified for operation over the full ---40C to +85C temperature range. Applications * * * * * * HDTV/DTV Analog Inputs Video Projectors Computer Monitors Set Top Boxes Security Video Broadcast Video Equipment Connection Diagram 1 S0 Outline # MDP0040 MDP0040 Ordering Information Part No. EL4344CU EL4348CU Package 28-Pin QSOP 28-Pin QSOP Tape & Reel IN3A 28 GND 27 IN2A 26 GND 25 IN1A 24 VS+ 23 OUTA 22 OUTB 21 OUTC 20 VS- 19 IN4C 18 GND 17 IN3C 16 GND 15 2 IN4A 3 S1 4 IN1B 5 GND 6 IN2B 7 VS+ 8 IN3B 9 VS10 IN4B 11 GND 12 IN1C 13 EN 14 IN2C August 13, 2001 EL4344C & EL4348C (28-Pin QSOP) Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a "controlled document". Current revisions, if any, to these specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation. (c) 2001 Elantec Semiconductor, Inc. EL4344C/EL4348C - Preliminary EL4344C/EL4348C - Preliminary 600MHz Multiplexing Amplifiers Absolute Maximum Ratings (T A = 25C) Values beyond absolute maximum ratings can cause the device to be prematurely damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage (VS+ to VS-) 11V Input Voltage VS- - 0.3V, VS+ +0.3V Storage Temperature Range Ambient Operating Temperature Operating Junction Temperature Power Dissipation -65C to +150C -40C to +85C 125C See Curves Important Note: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA. Specifications VS = +5V, VS- = -5V, GND = 0V, TA = 25C, Input Video = 1VP-P & RL = 150 to GND, unless otherwise specified. Parameter General IS BW FBW SR tSW VOP VON IOUT dG dP VIN VOS en THD tS OS PSRR ISO VGLITCH ISDIS AV Control VH VL Logic Input High Voltage Logic Input Low Voltage 2.0 0.8 V V Supply Current (per channel) -3dB Bandwidth 0.1dB Bandwidth Slew Rate Switching Time Positive Output Swing Negative Output Swing Output Current Differential Gain Error Differential Phase Error Input Voltage (video inputs) Offset Voltage Voltage Noise Total Harmonic Distortion 0.1% Settling Time Overshoot Power Supply Rejection Ratio Channel Isolation Switching Glitch Disable Supply Current Voltage Gain EL4344C EL4348C F = 30MHz VOUT = 2VP-P, RL = 150, f = 200MHz Step = 2V Step = 2V 50 90 70 20 1 2 120 RL = 10 to GND Standard NTSC test, AV = 2, RL = 150 Standard NTSC test, AV = 2, RL = 150 -2.8 -10 17 -70 6 0.1 0.6 No load, V IN = 0V AV = 1 (EL4344C) AV = 2 (EL4348C) AV = 1 (EL4344C) AV = 2 (EL4348C) 25% to 75%, RL = 150, A V = 2 (EL4344C) 25% to 75%, RL = 150, AV = 2 (EL4348C) 10% to 90% 3.3 -3.2 80 16 600 500 100 80 1200 1400 2 3.5 -3.5 100 0.07 0.01 2.3 10 18 mA MHz MHz MHz MHz V/s V/s ns V V mA % V mV nV/Hz dB ns V dB dB mV A Description Conditions Min Typ Max Unit 2 EL4344C/EL4348C - Preliminary EL4344C/EL4348C - Preliminary 600MHz Multiplexing Amplifiers Block Diagram VS+ Input Video IN1 + - EN OUT Input Video IN2 Input Video IN3 Input Video IN4 S0 S1 GND VS- Three channels - A, B & C Input Selector Truth Table Inputs EN 1 1 1 1 0 S1 0 0 1 1 X S0 0 1 0 1 X State IN1 Selected IN2 Selected IN3 Selected IN4 Selected Standby - Powered Down 3 EL4344C/EL4348C - Preliminary EL4344C/EL4348C - Preliminary 600MHz Multiplexing Amplifiers Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name S0 IN4A S1 IN1B GND IN2B VS+ IN3B VSIN4B GND IN1C EN IN2C GND IN3C GND IN4C VSOUTC OUTB OUTA VS+ IN1A GND IN2A GND IN3A Pin Type Logic Input High Frequency Signal Logic Input High Frequency Signal Power High Frequency Signal Power High Frequency Signal Power High Frequency Signal Power High Frequency Signal Logic Input High Frequency Signal Power High Frequency Signal Power High Frequency Signal Power High Frequency Signal High Frequency Signal High Frequency Signal Power High Frequency Signal Power High Frequency Signal Power High Frequency Signal LSB for input selection Input #4 for channel A MSB for input selection Input #1 for channel B Ground Input #2 for channel B Positive power Input #3 for channel B Negative power Input #4 for channel B Ground Input #1 for channel C Logic high to enable Input #2 for channel C Ground Input #3 for channel C Ground Input #4 for channel C Negative power Output for channel C Output for channel B Output for channel A Positive power Input #1 for channel A Ground Input #2 for channel A Ground Input #3 for channel A Pin Description 4 EL4344C/EL4348C - Preliminary EL4344C/EL4348C - Preliminary 600MHz Multiplexing Amplifiers General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the circuitry or specifications contained herein at any time without notice. Elantec, Inc. assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. WARNING - Life Support Policy Elantec, Inc. products are not authorized for and should not be used within Life Support Systems without the specific written consent of Elantec, Inc. Life Support systems are equipment intended to support or sustain life and whose failure to perform when properly used in accordance with instructions provided can be reasonably expected to result in significant personal injury or death. Users contemplating application of Elantec, Inc. Products in Life Support Systems are requested to contact Elantec, Inc. factory headquarters to establish suitable terms & conditions for these applications. Elantec, Inc.'s warranty is limited to replacement of defective components and does not cover injury to persons or property or other consequential damages. Printed in U.S.A. August 13, 2001 Elantec Semiconductor, Inc. 675 Trade Zone Blvd. Milpitas, CA 95035 Telephone: (408) 945-1323 (888) ELANTEC Fax: (408) 945-9305 European Office: +44-118-977-6020 Japan Technical Center: +81-45-682-5820 5 |
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