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| EL2099C EL2099C Video Distribution Amplifier Features 50 MHz b 3 dB bandwidth AV e a 2 Differential gain 0 03% Differential phase 0 05 Output short circuit current 800 mA Can drive six 75X double terminated cables g11V Slew rate e 1000V ms Wide supply voltage range g5V to g15V General Description The EL2099C is a high speed monolithic operational amplifier featuring excellent video performance and high output current capability Built using Elantec's Complementary Bipolar process the EL2099C uses current mode feedback to achieve wide bandwidth and is stable in unity gain configuration Operation from power supplies ranging from g5V to g15V makes the EL2099C extremely versatile With supplies at g15V the EL2099C can deliver g11V into 25X at slew rates of 1000V ms At g5V supplies output voltage range is g3V into 25X Its speed and output current capability make this device ideal for video line driver and automatic test equipment applications Differential Gain and Phase of the EL2099C are 0 03% and 0 05 respectively and b 3 dB bandwidth is 50 MHz These features make the EL2099C especially well suited for video distribution applications Elantec products and facilities comply with MIL-I-45208A and other applicable quality specifications For information on Elantec's processing see Elantec document QRA-1 Elantec's Processing Monolithic Integrated Circuits Applications Video line driver ATE pin driver High speed data acquisition Ordering Information Part No Temp Range Pkg Outline EL2099CT 0 C to a 75 C 5-Pin TO-220 MDP0028 Connection Diagram 5-Pin TO-220 January 1996 Rev D 2099 - 1 Manufactured under U S Patent Nos 5 179 355 4 893 091 U K Patent No 2261786 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 1992 Elantec Inc EL2099C Video Distribution Amplifier Absolute Maximum Ratings (TA e 25 C) Voltage between VS a and VSb Voltage at VS a Voltage at VSb Voltage between VIN a and VINb Current into VIN a or VINb a 33V a 16 5V b16 5V g6V g10 mA Internal Power Dissipation Operating Ambient Temperature Range Operating Junction Temperature Storage Temperature Range See Curves 0 C to a 75 C 150 C b 65 C to a 150 C Important Note All parameters having Min Max specifications are guaranteed The Test Level column indicates the specific device testing actually performed during production and Quality inspection Elantec performs most electrical tests using modern high-speed automatic test equipment specifically the LTX77 Series system Unless otherwise noted all tests are pulsed tests therefore TJ e TC e TA Test Level I II III IV V Test Procedure 100% production tested and QA sample tested per QA test plan QCX0002 100% production tested at TA e 25 C and QA sample tested at TA e 25 C TMAX and TMIN per QA test plan QCX0002 QA sample tested per QA test plan QCX0002 Parameter is guaranteed (but not tested) by Design and Characterization Data Parameter is typical value at TA e 25 C for information purposes only Open Loop DC Electrical Characteristics VS e g15V RL e 25X TA e 25 C unless otherwise specified Parameter VOS Description Input Offset Voltage Temp 25 C TMIN TMAX TC VOS a IIN Min Typ 5 Max 20 25 Test Level I IV V Units mV mV mV C mA mA mA mA dB dB kX kX TD is 3 2in kX pF V Average Offset Voltage Drift a Input Current Full 25 C TMIN TMAX 20 5 20 30 8 35 50 50 60 85 700 600 3 g12 5 I IV I IV I I I I IV V V b IIN b Input Current 25 C TMIN TMAX CMRR PSRR ROL a RIN Common Mode Rejection Ratio (Note 1) Power Supply Rejection Ratio (Note 2) Transimpedance a Input Resistance (Note 3) a Input Capacitance 25 C 25 C 25 C 25 C TMIN TMAX 25 C 25 C 60 70 140 1000 a CIN CMIR Common Mode Input Range 2 EL2099C Video Distribution Amplifier Open Loop DC Electrical Characteristics VS e g15V RL e 25X TA e 25 C unless otherwise specified Parameter VO Description Output Voltage Swing VS e g15V Output Voltage Swing VS e g5V IOUT ISC Output Current Output Short-Circuit Current Supply Current Temp 25 C 25 C 25 C 25 C TMIN TMAX 25 C Min Typ Max Test Level I I I I V 45 I Units V V mA TD is 1 7in TD is 2 4in mA mA mA Contd g9 g11 g2 4 g3 0 360 600 440 800 800 32 IS Closed Loop AC Electrical Characteristics VS e g15V AV e a 2 RF e 510X RL e 25X TA e 25 C unless otherwise specified Paremeter SR BW Peaking tr tf dG Description Slew Rate (Notes 4 7) b 3 dB Bandwidth (Note 7) Min 500 Typ 1000 50 03 7 Max Test Level IV V V V Units V ms MHz dB ns (Note 7) Rise Time Fall Time (Notes 5 7) Differential Gain DC Input Offset from 0V through a 0 714V AC Amplitude 286 mVp-p f e 3 58 MHz (Notes 6 7) Differential Phase DC Input Offset from 0V through a 0 714V AC Amplitude 286 mVp-p f e 3 58 MHz (Notes 6 7) 0 03 V % dP 0 05 V deg ( ) Note Note Note Note Note Note Note 1 2 3 4 5 6 7 The input is moved from b10V to a 10V The supplies are moved from g5V to g15V VIN e g5V See typical performance curve for larger values of VIN Slew Rate is with VOUT from a 5V to b5V and measured at 20% and 80% Rise and Fall Times are with VOUT between b0 5V and a 0 5V and measured at 10% and 90% See typical performance curves for other conditions All AC tests are performed on a ``warmed up'' part except for Slew Rate which is pulse tested 3 EL2099C Video Distribution Amplifier Typical Performance Curves (TA e 25 C Non-Inverting Frequency Response (GAIN) RL e 25X AV e a 2 RF e 510 unless otherwise specified) Non-Inverting Frequency Response (PHASE) Inverting Frequency Response (GAIN) Inverting Frequency Response (PHASE) Frequency Response for Various RL Frequency Response for Various CL 2099 - 2 4 EL2099C Video Distribution Amplifier Typical Performance Curves (TA e 25 C RL e 25X AV e a 2 RF e 510 unless otherwise specified) Frequency Response for Various RF RG Contd Transimpedance (ROL) PSRR CMRR vs Frequency Closed-Loop Output Impedance vs Frequency 2nd and 3rd Harmonic Distortion vs Frequency Voltage and Current Noise vs Frequency 2099 - 3 5 EL2099C Video Distribution Amplifier Typical Performance Curves (TA e 25 C RL e 25X AV e a 2 RF e 510 unless otherwise specified) Supply Current vs Die Temperature Contd Output Voltage vs Die Temperature Transimpedance (ROL) vs Die Temperature Input Current vs Die Temperature PSRR CMRR vs Die Temperature Offset Voltage vs Die Temperature (4 Samples) 2099 - 4 6 EL2099C Video Distribution Amplifier Typical Performance Curves (TA e 25 C RL e 25X AV e a 2 RF e 510 unless otherwise specified) Differential Gain vs DC Input Voltage for Various RLs Contd Differential Phase vs DC Input Voltage for Various RLs Supply Current vs Supply Voltage Slew Rate vs Supply Voltage a Input Resistance vs Input Voltage a Input Bias Current vs Input Voltage 2099 - 5 7 EL2099C Video Distribution Amplifier Typical Performance Curves (TA e 25 C RL e 25X AV e a 2 RF e 510 unless otherwise specified) Contd b 3 dB Bandwidth vs RF Peaking vs RF Overshoot vs RF Rise Time vs RF 5-Lead TO-220 Maximum Power Dissipation vs Ambient Temperature Small Signal Pulse Response Large Signal Pulse Response 2099 - 6 8 EL2099C Video Distribution Amplifier Simplified Schematic 2099 - 7 Burn-In Circuit 2099 - 8 9 EL2099C Video Distribution Amplifier Applications Information Product Description The EL2099C is a current mode feedback amplifier that has high output current drive capability It is built using Elantec's proprietary dielectric isolation process that produces NPN and PNP complimentary transistors The high output current can be useful to drive many standard video loads in parallel as well as digital sync pulses that are 8V or greater a Input Resistor Value A small value resistor located in the a Input lead is necessary to keep the EL2099C from oscillating under certain conditions A 50X resistor is recommended for all applications although smaller values will work under some circumstances All tests listed in this datasheet are performed with 50X in the a Input lead as well as all typical performance curves The 50X resistor along with the a Input bias current creates an additional typical Offset Voltage of only 250 mV at T e 25 C and a maximum of 1 25 mV over temperature variations g18V and decrease slightly as supplies are reduced to g5V as shown in the characteristic curves It is not necessary to use equal value split supplies For example b 5V and b 12V would be fine for 0V to 1V video signals Good power supply bypassing should be used to reduce the risk of oscillation A 1 mF to 10 mF tantalum capacitor in parallel with a 0 1 mF ceramic capacitor is recommended for bypassing each supply pin They should be kept as close as possible to the device pins Due to the internal construction of the TO-220 package the tab of the EL2099C is connected to the VS b pin Therefore care must be taken to avoid connecting the tab to the ground plane of the system Printed Circuit Board Layout As with any high frequency device good printed circuit board layout is necessary for optimum performance Ground plane construction is highly recommended Lead lengths should be as short as possible For good AC performance parasitic capacitances should be kept to a minimum especially at the inverting input which is sensitive to stray capacitance This implies keeping the ground plane away from this pin Metal film and carbon resistors are both acceptable while use of wire-wound resistors is not recommended because of their parasitic inductance Similarly capacitors should be low inductance for best performance Feedback Resistor Values The EL2099C has been designed and specified with RF e 510X and AV e a 2 This value of feedback resistor yields extremely flat frequency response with little to no peaking However 3 dB bandwidth is reduced somewhat because of this Wider bandwidth at the expense of slight peaking can be accomplished by reducing the value of the feedback resistor For example at a gain of a 2 reducing the feedback resistor to 330X increases the b 3 dB bandwidth to 70 MHz with 3 dB of peaking Inversely larger values of feedback resistor will cause roll off to occur at a lower frequency There is essentially no peaking with RF l 510X Driving Cables and Capacitive Loads The EL2099C was designed with driving multiple coaxial cables in mind With 440 mA of output drive and low output impedance driving six 75X double terminated coaxial cables to g11V with one EL2099C is practical When used as a cable driver double termination is always recommended for reflection-free performance For those applications the back termination series resistor will decouple the EL2099C from the capacitive cable and allow extensive capacitive drive For a discussion on some of the other ways to drive cables see the application section on driving cables in the EL2003 data sheet 10 Power Supplies The EL2099C may be operated with single or split supplies as low as g5V (10V total) to as high as g18V (36V total) Bandwidth and slew rate are almost constant from VS e g10V to EL2099C Video Distribution Amplifier Applications Information Contd Other applications may have high capacitive loads without termination resistors In these applications an additional small value (5X -50X) resistor in series with the output will eliminate most peaking The schematic below shows the EL2099C driving 6 double terminated cables each of average length of 50 feet This represents driving an effective load of 25X to over g10V The resulting performance is shown in the scope photo Notice that double termination results in reflection free performance 2099 - 10 2099 - 11 11 EL2099C Video Distribution Amplifier EL2099 Macromodel Connections a input TAB WIDE l l l l l subckt M2099 Input Stage e1 10 0 4 0 1 0 vis 10 9 0V h2 9 12 vxx 1 0 r1 5 11 50 l1 11 12 48nH iinp 4 0 5mA iinm 5 0 b8mA Slew Rate Limiting h1 13 0 vis 600 r2 13 14 1K d1 14 0 dclamp d2 0 14 dclamp High Frequency Pole e2 30 0 14 0 0 001667 13 30 17 1 5mH c5 17 0 1pF r5 17 0 500 Transimpedance Stage g1 0 18 17 0 1 0 ro1 18 0 150K cdp 18 0 8pF Output Stage q1 3 18 19 qp q2 1 18 20 qn q3 1 19 21 qn q4 3 20 22 qp r7 21 2 1 r8 22 2 1 4 b input l l l l 5 a Vsupply l l l 1 b Vsupply l l 3 output l 2 12 TD is 6 1in EL2099C Video Distribution Amplifier EL2099 Macromodel ios1 1 19 5mA ios2 20 3 5mA Supply Current ips 1 3 19mA Error Terms ivos 0 23 5mA vxx 23 0 0V e4 24 0 2 0 1 0 e5 25 0 1 0 1 0 e6 26 0 3 0 1 0 r9 24 23 3K r10 25 23 1K r11 26 23 1K Models model qn npn (is e 5eb15 bf e 200 tf e 0 1nS) model qp pnp (is e 5eb15 bf e 200 tf e 0 1nS) model dclamp d (is e 1eb30 ibv e 0 266 bv e 5 n e 4) ends TD is 3 1in 13 Contd EL2099C Video Distribution Amplifier EL2099 Macromodel Contd 2099 - 9 14 BLANK 15 EL2099C EL2099C Video Distribution Amplifier 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 January 1996 Rev D Elantec Inc 1996 Tarob Court Milpitas CA 95035 Telephone (408) 945-1323 (800) 333-6314 Fax (408) 945-9305 European Office 44-71-482-4596 16 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 |
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