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HA-5004883 Fiches technique(PDF) 1 Page - Intersil Corporation |
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HA-5004883 Fiches technique(HTML) 1 Page - Intersil Corporation |
1 / 5 page 1 ® July 1998 HA-5004/883 100MHz Current Feedback Amplifier Features • This Circuit is Processed in Accordance to MIL-STD- 883 and is Fully Conformant Under the Provisions of Paragraph 1.2.1. • Slew Rate . . . . . . . . . . . . . . . . . . . . . . 1000V/ µs (Min) 1200V/ µs (Typ) • Output Current . . . . . . . . . . . . . . . . . . . . ±80mA (Min) ±100mA (Typ) • Drives . . . . . . . . . . . . . . . . . . . ±8.0V into 100Ω (Min) ±9.5V into 100Ω (Typ) •VSUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . ±5V to ±18V • Thermal Overload Protection and Output Flag • Bandwidth Nearly Independent of Gain • Output Enable/Disable Applications • Unity Gain Video/Wideband Buffer • Video Gain Block • High Speed Peak Detector • Fiber Optic Transmitters • Zero Insertion Loss Transmission Line Drivers • Current to Voltage Converter • Radar Systems Description The HA-5004/883 current feedback amplifier is a video/wideband amplifier optimized for low gain applications. The design is based on current-mode feedback which allows the amplifier to achieve higher closed loop bandwidth than voltage-mode feedback oper- ational amplifiers. Since feedback is employed, the HA-5004/883 can offer better gain accuracy and lower distortion than open loop buffers. Unlike conventional op amps, the bandwidth and rise time of the HA-5004/883 are nearly independent of closed loop gain. The 100MHz bandwidth at unity gain reduces to only 65MHz at a gain of 10. The HA-5004/883 may be used in place of a conventional op amp with a significant improvement in speed power product. Several features have been designed in for added value. A ther- mal overload feature protects the part against excessive junction temperature by shutting down the output. If this feature is not needed, it can be inhibited via a TTL input (TOI). A TTL chip enable/disable (OE) input is also provided; when the chip is dis- abled its output is high impedance. Finally, an open collector out- put flag (TOL) is provided to indicate the status of the chip. The status flag goes low to indicate when the chip is disabled due to either the internal Thermal Overload shutdown or the external disable. In order to maximize bandwidth and output drive capacity, inter- nal current limiting is not provided. However, current limiting may be applied via the VC+ and VC- pins which provide power sepa- rately to the output stage. Pinout HA-5004/883 (CERDIP) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE HA1-5004/883 -55 to +125 14 Lead CerDIP OUT TOI OE VC + V+ +BAL -BAL FB IN TOL GND NC VC - V- 1 2 3 4 5 6 7 14 13 12 11 10 9 8 + - CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1998 Spec Number 511053-883 File Number 3706.1 NOT REC OMM END ED F OR NEW DES IGN S con tact our Tec hnic al S upp ort C ente r at 1-88 8-IN TER SIL or w ww. inte rsil. com /tsc |
Numéro de pièce similaire - HA-5004883 |
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Description similaire - HA-5004883 |
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