LT6600IS8-2.5#PBF

LT6600IS8-2.5#PBF combines a fully differential amplifier with a 4th order 2.5MHz lowpass filter approximating a Chebyshev frequency response. Most differential amplifiers require many precision external components to tail or gain and bandwidth. In contrast, with the LT6600-2.5, two external resistors program differential gain, and the filter’s 2.5MHz cut-off frequency and passband ripple are internally set. The LT6600-2.5 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 LT6600-2.5 integrates an antialiasing filter and a differential amplifier/driver without compromising distortion or low noise performance. Applications include high speed ADC antialiasing and DAC smoothing in networking or cellular base station applications, high speed test and measurement equipment, medical imaging, drop-in replacement for differential amplifiers.

• Programmable differential gain via two external resistors
• Adjustable output common mode voltage
• Operates and specified with 3V, 5V, ±5V supplies
• Fully differential inputs and outputs
• Compatible with popular differential amplifier pinouts
• 0.4dB max filter gain (VS = 5V, VIN = 2VP-P, fIN = DC to 260KHz)
• 10μV/°C max differential offset drift, 63dB typ CMRR, 30mA max power supply current (VS=3V, VS=5V)
• 95dBC/88dBC max 2nd/3rd harmonic distortion at 1MHz, 1VRMS, RL = 800 ohm
• 8-lead plastic SO package
• Operating temperature range from -40 to 85°C

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