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KH205

Cadeka
Part Number KH205
Manufacturer Cadeka
Description Overdrive-Protected Wideband Op Amp
Published May 15, 2009
Detailed Description www.cadeka.com KH205 www.datasheet4u.com Overdrive-Protected Wideband Op Amp Features s s s s s s s General Descripti...
Datasheet PDF File KH205 PDF File

KH205
KH205

Overview
www.
cadeka.
com KH205 www.
datasheet4u.
com Overdrive-Protected Wideband Op Amp Features s s s s s s s General Description The KH205 is a wideband overdrive-protected operational amplifier designed for applications needing both speed and low power operation.
Utilizing a well-established current feedback architecture, the KH205 exhibits performance far beyond that of conventional voltage feedback op amps.
For example, the KH205 has a bandwidth of 170MHz at a gain of +20 and settles to 0.
1% in 22ns.
Plus, the KH205 has a combination of important features not found in other high-speed op amps.
For example, the KH205 has been designed to consume little power – 570mW at ±15V supplies.
The result is lower power supply requirements and less systemlevel heat dissipation.
In addition, the device can be operated on supply voltages as low as ±5V for even lower power dissipation.
Complete overdrive protection has been designed into the part.
This is critical for applications, such as ATE and instrumentation, which require protection from signal levels high enough to cause saturation of the amplifier.
This feature allows the output of the op amp to be protected against short circuits using techniques developed for low-speed op amps.
With this capability, even the fastest signal sources can feature effective short circuit protection.
The KH205 is constructed using thin film resistor/bipolar transistor technology, and is available in the following versions: 2 -3dB bandwidth of 170MHz 0.
1% settling in 22ns Complete overdrive protection Low power: 570mW (190mW at ±5V) 3MΩ input resistance Output may be current limited Direct replacement for CLC205 Applications s s s s s s s Fast, precision A/D conversion Automatic test equipment Input/output amplifiers Photodiode, CCD preamps IF processors High-speed modems, radios Line drivers Large Signal Pulse Response Av = +20 Output Voltage (2V/div) Av = -20 Time (5ns/div) Bottom View Internal Feedback Case ground GND 7 Rf 8 -VCC 9 -VCC ...


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