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LTC6242IGN Datasheet(PDF) 1 Page - Linear Technology |
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LTC6242IGN Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page LTC6241/LTC6242 1 62412f Dual/Quad 18MHz, Low Noise, Rail-to-Rail, CMOS Op Amps The LTC®6241/LTC6242 are dual and quad low noise, low offset, rail-to-rail output, unity gain stable CMOS op amps that feature 1pA of input bias current. The 0.1Hz to 10Hz noise of only 550nVP-P, along with an offset of just 125µV make them uncommon among traditional CMOS op amps. Additionally, noise is guaranteed to be less than 10nV/√Hz at 1kHz. An 18MHz gain bandwidth, and 10V/µs slew rate, along with the wide supply range and low input capacitance, make them perfect for use as fast signal processing amplifiers. These op amps have an output stage that swings within 30mV of either supply rail to maximize the signal dynamic range in low supply applications. The input common mode range extends to the negative supply. They are fully speci- fied on 3V and 5V, and an HV version guarantees operation on supplies up to ±5.5V. The LTC6241 is available in the 8-pin SO, and for compact designs it is packaged in the tiny dual fine pitch leadless (DFN) package. The LTC6242 is available in the 16-Pin SSOP as well as the 5mm × 3mm DFN package. ■ Photo Diode Amplifiers ■ Charge Coupled Amplifiers ■ Low Noise Signal Processing ■ Active Filters ■ Medical Instrumentation ■ High Impedance Transducer Amplifier ■ 0.1Hz to 10Hz Noise: 550nVP-P ■ Input Bias Current: 1pA (Typ at 25°C) ■ Low Offset Voltage: 125µV Max ■ Low Offset Drift: 2.5µV/°C Max ■ Voltage Gain: 124dB Typ ■ Gain Bandwidth Product: 18MHz ■ Output Swings Rail-to-Rail ■ Supply Operation: 2.8V to 6V LTC6241/LTC6242 2.8V to ±5.5V LTC6241HV/LTC6242HV ■ Low Input Capacitance ■ Dual LTC6241 in 8-Pin SO and Tiny DFN Packages ■ Quad LTC6242 in 16-Pin SSOP and 5mm × 3mm DFN Packages Low Noise Single-Ended Input to Differential Output Amplifier APPLICATIO S FEATURES DESCRIPTIO TYPICAL APPLICATIO , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. + – R2 200k C1 10pF C2 10pF +2.5V –2.5V 6241 TA01a R4 4.99k R1 200k VIN VOUT + VOUT – 1/2 LTC6241 + – 1/2 LTC6241 C3 10pF R3 4.99k C4 10pF FREQUENCY (Hz) 20 10 30 40 50 60 1 100 1k 100k 6241 TA01b 0 10 10k TA = 25°C VS = ±2.5V VCM = 0V Noise Voltage vs Frequency |
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