4GHz Ultra-Low Bias Current FET Input Op Amp
LTC6268-10/LTC6269-10 4GHz Ultra-Low Bias
Current FET Input Op Amp
FEATURES
nn Gain Bandwidth Product: 4GHz nn Low Inpu...
Description
LTC6268-10/LTC6269-10 4GHz Ultra-Low Bias
Current FET Input Op Amp
FEATURES
nn Gain Bandwidth Product: 4GHz nn Low Input Bias Current:
nn ±3fA Typ. Room Temperature nn 4pA Max at 125°C nn Current Noise (100kHz): 7fA/√Hz nn Voltage Noise (1MHz): 4.0nV/√Hz nn Extremely Low CIN 0.45pF nn Rail-to-Rail Output nn AV ≥10 nn Slew Rate: +1500V/µs, –1000V/µs nn Supply Range: 3.1V to 5.25V nn Quiescent Current: 16.5mA nn Operating Temp Range: –40°C to 125°C nn Single in 8-Lead SO-8, 6-Lead TSOT-23 Packages nn Dual in 8-Lead MS8, 3mm × 3mm 10-Lead DFN 10 Packages
APPLICATIONS
nn Transimpedance Amplifiers nn ADC Drivers nn Photomultiplier Tube Post-Amplifier nn Low IBIAS Circuits
DESCRIPTION
The LTC®6268-10/LTC6269-10 is a single/dual 4GHz FETinput operational amplifier with extremely low input bias current and low input capacitance. It also features low input-referred current noise and voltage noise making it an ideal choice for high speed transimpedance amplifiers, and high-impedance sensor amplifiers. It is a decompensated op amp that is gain-of-10 stable. It operates on 3.1V to 5.25V supply and consumes 16.5mA per amplifier. A shutdown feature can be used to lower power consumption when the amplifier is not in use. The LTC6268-10 single op amp is available in 8-lead SOIC and 6-lead SOT-23 packages. The SOIC package includes two unconnected pins which can be used to create an input pin guard ring to protect against board leakage currents. The LTC6269-10 dual op amp is available in 8-...
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