LTC6269 Datasheet

• Gain Bandwidth Product: 500MHz
• –3dB Bandwidth (A = 1): 350MHz
• Low Input Bias Current:
  • ±3fA Typ. Room Temperature
  • 4pA Max at 125°C
• Current Noise (100kHz): 5.5fA/√Hz
• Voltage Noise (1MHz): 4.3nV/√Hz
• Extremely Low C_IN 450fF
• Rail-to-Rail Output
• Slew Rate: 400V/μs
• Supply Range: 3.1V to 5.25V
• Quiescent Current: 16.5mA
• Harmonic Distortion (2V_P-P):
  • –100dB at 1MHz
  • –80dB at 10MHz
• Operating Temp Range: –40°C to 125°C
• Dual in 8-Lead MS8, 3mm × 3mm 10-Lead DFN 10 Packages

• Trans-Impedance Amplifiers
• ADC Drivers
• CCD Output Buffer
• Photomultiplier Tube Post-Amplifier
• Low I_BIAS Circuits

The LTC6269 is a dual 500MHz FET-input 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, CCD output buffers, and high-impedance sensor amplifiers. Its low distortion makes the LTC6269 an ideal amplifier for driving SAR ADCs.

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 LTC6269 dual op amp is available in 8-lead MSOP with exposed pad and 3mm × 3mm 10-lead DFN packages. The LTC6269 is fully specified over the –40°C to 85°C and the –40°C to 125°C temperature ranges.