ELH0033G 8001401ZX Fast Buffer Amplifier Slew rate 1500 Outp
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ELH0033G 8001401ZX
ELH0033G 8001401ZX
Fast Buffer Amplifier
Slew rate 1500 Output drive Rise fall times Input resistance 1011X Power bandwidth MIL-STD-883 devices 100% manufactured
General Description
ELH0033 high-speed input voltage follower buffer designed provide high output currents from over ELH0033 slews 1500 will drive 100X loads Phase linearity excellent allowing buffer included loops ELH0033 intended fulfill wide range buffer applications such high-speed line drivers video impedance transformation nuclear instrumentation amplifiers isolation buffers driving reactive loads high impedance input buffers high-speed comparators These devices constructed using specially selected junction FETs active laser trimming achieve guaranteed performance specifications ELH0033 specified operation from Elantec facilities comply with MIL-I-45208A other applicable quality specifications Elantec's Military devices 100% fabricated assembled rigidly controlled ultra-clean facilities Milpitas California additional information Elantec's Quality Reliability Assurance policy procedures request brochure QRA-1
Advantages
Excellent phase linearity Driver cables other capacitive loads Wide supply range single split
Ordering Information
Part Temp Range Package Outline TO-8 MDP0002 ELH0033G 883B
8001401ZX version this device
Connection Diagram
12-Pin TO-8
Equivalent Schematic
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View
Note Case electrically isolated
July 1992
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Note information contained this data sheet been carefully checked believed accurate date publication however this data sheet cannot ``controlled document'' Current revisions these specifications maintained factory available upon your request recommend checking revision level before finalization your design documentation Patent pending
1989 Elantec
ELH0033G 8001401ZX
Fast Buffer Amplifier
Absolute Maximum Ratings
Supply Voltage Input Voltage Power Dissipation (See Curves) Continuous Output Current Peak Output Current Operating Temperature Range ELH0033 Operating Junction Temperature Storage Temperature Lead Temperature (Soldering seconds)
Important Note parameters having specifications guaranteed Test Level column indicates specific device testing actually performed during production Quality inspection Elantec performs most electrical tests using modern high-speed automatic test equipment specifically LTX77 Series system Unless otherwise noted tests pulsed tests therefore Test Level Test Procedure 100% production tested sample tested test plan QCX0002 100% production tested sample tested TMAX TMIN test plan QCX0002 sample tested test plan QCX0002 Parameter guaranteed (but tested) Design Characterization Data Parameter typical value information purposes only
Electrical Characteristics
Parameter Description Output Offset Voltage Average Temperature Coefficient Offset Voltage Input Bias Current
TMIN TMAX ELH0033 Test Level 1010 1010 1011 1011
Test Conditions (Note
Units
DVOS
100X (Note (Note TMAX
Voltage Gain Input Impedance
100X (Note
Output Impedance Output Voltage Swing
100X
Supply Current Power Consumption
Note Specification junction temperature requirements high-speed automatic testing Actual values operating temperature will exceed value When supply voltages no-load operating junction temperature rise above ambient more under load conditions Accordingly change several will change significantly during warm-up Refer temperature graph expected values Note Measured still minutes after application power
ELH0033G 8001401ZX
Fast Buffer Amplifier
Electrical Characteristics
Parameter Description Slew Rate Bandwidth Phase Non-Linearity Rise Time Propagation Delay Harmonic Distortion Voltage Gain ELH0033 Test Conditions Vrms DVIN DVIN 100X Vrms Vrms 1000 1500
Test Level
Units
Output Impedance
Typical Performance Curves
Maximum Power Dissipation Supply Current Supply Voltage Output Voltage Supply Voltage
Negative Pulse Response
Positive Pulse Response
Frequency Response
0033
ELH0033G 8001401ZX
Fast Buffer Amplifier
Typical Performance Curves
Rise Fall Time Temperature
Contd
Input Bias Current Temperature Normalized Input Bias Current During Warm-up
Input Bias Current Input Voltage
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Typical Applications
Offset Zero Adjust Using Resistor Current Limiting Current Limiting Using Current Sources
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ELH0033G 8001401ZX
Fast Buffer Amplifier
Typical Applications
Contd
Coaxial Cable Driver
High Input Impedance Coupled Amplifier
Select optimum pulse response
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Instrumentation Shield Line Driver
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Single Supply Amplifier
Notch Filter
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2qR1C1
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High-Speed Sample Hold
Polycarbon teflon
0033
ELH0033G 8001401ZX
Fast Buffer Amplifier
Applications Information
Recommended Layout Precautions
video printed circuit board layout rules should followed when using ELH0033 since will provide power gain frequencies over Ground planes recommended power supplies should decoupled each device with inductance capacitors addition ground plane shielding extended metal case device since electrically isolated from internal circuitry Alternatively case should connected output minimize input capacitance
Short Circuit Protection
order optimize transient response output swing output current limit been omitted from ELH0033 Short circuit protection added inserting appropriate value resistors between pins pins Resistor values predicted RLIM
where ELH0033 inclusion limiting resistors collectors output transistors reduces output voltage swing Decoupling pins with capacitors ground will retain full output swing transient pulses alternate active current limit technique that retains full output swing uses current sources which saturated during normal operation thus applying full supply voltage pins Under fault conditions voltage decreases required overload RLIM
Offset Voltage Adjustment
ELH0033's offset voltages have been actively trimmed laser meet guaranteed specifications when offset preset shorted offset adjust pre-calibration allows devices used most applications without individually offset nulling each device offset null desirable simply obtained leaving offset preset open connecting trim 100X between offset adjust
Operation from Single Asymmetrical Power Supplies
This device type readily used applications where symmetrical supplies unavailable desirable typical application might interface shift register where this case apparent output offset occurs device's voltage gain less than unity This additional output offset error predicted
Capacitive Loading
ELH0033 designed drive capacitive loads such coaxial cables excess several thousand picofarads without susceptibility oscillation However peak current resulting from should limited below absolute maximum peak current ratings devices Thus DVIN IOUT addition power dissipation resulting from driving capacitive loads plus standby power should kept below total package power rating (VP-P)2
where load voltage gain typically Positive supply voltage Negative supply voltage above example would This adjusted zero described Section coupled applications additional offset occurs input properly biased illustrated ``typical applications'' section
ELH0033G 8001401ZX
Fast Buffer Amplifier
where VP-P Peak-to-peak output voltage swing Frequency Load Capacitance
Hardware
order utilize full drive capabilities ELH0033 should mounted with heatsink particularly extended temperature operation case isolated from circuit connected system chassis
Operation within Loop
Both devices used current booster isolation buffer within closed loop with amps such ELH0032 HA2500 HA2600 series isolation resistor should used between output input ELH0033 wide bandwidth high slew rates ELH0033 assure that loop characteristics that additional rolloff required
IMPORTANT
Power supply bypassing necessary prevent oscillation with ELH0033 circuits inductance ceramic disc capacitors with shortest practical lead lengths must connected from each supply lead (within device package) ground plane Capacitors should parallel adding solid tantalum capacitor will help troublesome instances
Burn-In Circuit
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ELH0033G 8001401ZX
Fast Buffer Amplifier
ELH0033 Macromodel
Connections input
WIDE
output
subckt M0033 Models model 5eb14 200mA 200nS model 5eb14 100mA 170nS model (vto eb3V beta 0eb3 10pF lambda 0eb6) Resistors Transistors ends
ELH0033G 8001401ZX
Fast Buffer Amplifier
ELH0033 Macromodel
Contd
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BLANK
BLANK
ELH0033G 8001401ZX
ELH0033G 8001401ZX
Fast Buffer Amplifier
General Disclaimer
Specifications contained this data sheet effect publication date shown Elantec reserves right make changes circuitry specifications contained herein time without notice Elantec assumes responsibility circuits described herein makes representations that they free from patent infringement
WARNING
Life Support Policy
July 1992
Elantec 1996 Tarob Court Milpitas 95035 Telephone (408) 945-1323 (800) 333-6314 (408) 945-9305 European Office 44-71-482-4596
Elantec products authorized should used within Life Support Systems without specific written consent Elantec Life Support systems equipment intended support sustain life whose failure perform when properly used accordance with instructions provided reasonably expected result significant personal injury death Users contemplating application Elantec products Life Support Systems requested contact Elantec factory headquarters establish suitable terms conditions these applications Elantec warranty limited replacement defective components does cover injury persons property other consequential damages
Printed
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