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The LT®6220/LT6221/LT6222 are single/dual/quad, low power, high speed rail-to-rail input and output operational amplifiers with excellent DC performance. The LT6220/ LT6221/LT6222 feature reduced supply current, lower input offset voltage, lower input bias current and higher DC gain than other devices with comparable bandwidth.
Typically, the LT6220/LT6221/LT6222 have an input offset voltage of less than 100µV, an input bias current of less than 15nA and an open-loop gain of 100V/mV. The parts have an input range that includes both supply rails and an output that swings within 10mV of either supply rail to maximize the signal dynamic range in low supply applications.
The LT6220/LT6221/LT6222 maintain performance for supplies from 2.2V to 12.6V and are specified at 3V, 5V and ±5V supplies. The inputs can be driven beyond the supplies without damage or phase reversal of the output. The LT6220 is housed in the 8-pin SO package with the standard op amp pinout as well as the 5-pin SOT-23 package. The LT6221 is available in 8-pin SO and DFN (3mm × 3mm low profile dual fine pitch leadless) packages with the standard op amp pinout. The LT6222 features the standard quad op amp configuration and is available in the 16-Pin SSOP package. The LT6220/ LT6221/LT6222 can be used as plug-in replacements for many op amps to improve input/output range and performance. , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
LT6221 Maximum Ratings
Total Supply Voltage (VS to VS+) .................... 12.6V Input Voltage (Note 2) ..........................................±VS Input Current (Note 2) .................................... ±10mA Output Short Circuit Duration (Note 3) ............Indefinite Operating Temperature Range (Note 4) ..40 to 85 Specified Temperature Range (Note 5) ...40 to 85 Maximum Junction Temperature .......................... 150° (DD Package) ................................................... 125° Storage Temperature .............................65°C to 150° (DD Package) ....................................65°C to 125° Lead Temperature (Soldering, 10 sec.)................. 300°
LT6221 Features
Gain Bandwidth Product: 60MHz Input Common Mode Range Includes Both Rails Output Swings Rail-to-Rail Low Quiescent Current: 1mA Max Input Offset Voltage: 350µV Max Input Bias Current: 150nA Max Wide Supply Range: 2.2V to 12.6V Large Output Current: 50mA Typ Low Voltage Noise: 10nVHz Typ Slew Rate: 20V/µs Typ Common Mode Rejection: 102dB Typ Power Supply Rejection: 105dB Typ Open-Loop Gain: 100V/mV Typ Operating Temperature Range: 40°C to 85°C Single in the 8-Pin SO and 5-Pin Low Profile (1mm) ThinSOTTM Packages Dual in the 8-Pin SO and (3mm x 3mm) DFN Packages Quad in the 16-Pin SSOP Package
LT6221 Typical Application
Low Voltage, High Frequency Signal Processing Driving A/D Converters Rail-to-Rail Buffer Amplifiers Active Filters Video Amplifiers Fast Current Sensing Amplifiers