LT6600-20 Datasheet PDF | Linear Technology

Linear Technology LT6600-20

the LT6600-20, two external resistors program differential gain, and the filter’s 20MHz cutoff frequency and passband ripple are internally set. The LT6600-20 also provides the necessary level shifting to set its output common mode voltage to accommodate the reference voltage requirements of A/Ds. Using a proprietary internal architecture, the LT6600-20 integrates an antialiasing filter and a differential amplifier/ driver without compromising distortion or low noise performance.

Part No.	LT6600-20
Datasheet	LT6600-20 Download
Manufacturer	Linear Technology
Description	Very Low Noise Differential Amplifier and 20MHz Lowpass Filter
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FEATURES

s s s s DESCRIPTIO s s s s s Programmable Differential Gain via Two External Resistors Adjustable Output Common Mode Voltage Operates and Specified with 3V, 5V, ±5V Supplies 0.5dB Ripple 4th Order Lowpass Filter with 20MHz Cutoff 76dB S/N with 3V Supply and 2VP-P Output Low Distortion, 2VP-P, 800Ω Load 2.5MHz: 83dBc 2nd, 88dBc 3rd 20MHz: 63dBc 2nd, 64dBc 3rd Fully Differential Inputs and Outputs SO-8 Package Compatible with Popular Differential Amplifier Pinouts The LT®6600-20 combines a fully differential amplifier with a 4th order 20MHz lowpass filter approximating a Chebyshev frequency response. Most differential amplifiers require many precision external components to tailor gain and bandwidth. In contrast, with At unity gain the measured in band signal-to-noise ratio is an impressive 76dB. At higher gains the input referred noise decreases so the part can process smaller input differential signals without significantly degrading the output signal-to-noise ratio. The LT6600-20 also features low voltage operation.