KH205

www.cadeka.com KH205 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 10 KH205AI KH205AK KH205AM -25°C to +85°C -55°C to +125°C -55°C to +125°C Supply Voltage 2000Ω Non-Inverting Input Inverting Input Not Connected V+ 6 Collector Supply Output + V- 5 NC 4 3 2 NC 6 6 - 11 Vo 12 +VCC KH205HXC KH205HXA -55°C to +125°C -55°C to +125°C 12-pin TO-8 can 12-pin TO-8 can, features burn-in & hermetic testing 12-pin TO-8 can, environmentally screened and electrically tested to MIL-STD-883 SMD#: 5962-9083501HXC SMD#: 5962-9083501HXA Collector Supply 1 +VCC Supply Voltage Typical Performance Gain Setting Parameter +7 +20 +50 -1 -20 -50 Units MHz ns V/ns ns -3dB bandwidth 220 170 80 220 130 80 rise time 1.7 2.2 4.7 1.7 2.9 4.7 slew rate 2.4 2.4 2.4 2.4 2.4 2.4 settling time (to 0.1%) 22 22 20 21 20 19 Case and bias ground GND Not Connected Pin 8 provides access to a 2000Ω feedback resistor which can be connected to the output or left open if an external feedback resistor is desired. REV. 1A January 2004 DATA SHEET KH205 KH205 Electrical Characteristics PARAMETERS Ambient Temperature Ambient Temperature FREQUENCY DOMAIN RESPONSE ¦ -3dB bandwidth large-signal bandwidth gain flatness ¦ peaking ¦ peaking ¦ rolloff group delay linear phase deviation TIME DOMAIN RESPONSE rise and fall time settling time to 0.1% to 0.05% overshoot slew rate NOISE AND DISTORTION RESPONSE ¦ 2nd harmonic distortion ¦ 3rd harmonic distortion equivalent input noise voltage inverting current non-inverting current noise floor integrated noise noise floor integrated noise STATIC, DC PERFORMANCE * input offset voltage average temperature coefficient * input bias current average temperature coefficient * input bias current average temperature coefficient * power supply rejection ratio common mode rejection ratio * supply current MISCELLANEOUS PERFORMANCE non-inverting input resistance non-inverting input capacitance output impedance output voltage range internal feedback resistor absolute tolerance temperature coefficient inverting input current self limit KH205AI (Av = +20V, VCC = ±15V, RL = 200Ω, Rf = 2kΩ; unless specified) TYP +25°C +25°C 170 100 0 0 – 3.0 ± .2 0.8 2.2 4.8 22 24 7 2.4 -57 -68 2.1 22 4.8 -157 39 -157 39 3.5 11 3.0 15 2.0 20 69 60 19 3.0 5.0 – ±12 – – 2.2 MIN & MAX RATINGS -55°C -55°C >140 >72