LT6402-12

The LT6402-12 is a low distortion, low noise differential amplifier/ADC driver for use in applications from DC to 300MHz. The LT6402-12 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion (with either single-ended or differential inputs) make the LT6402-12 an excellent solution for driving high speed 12-bit and 14-bit ADCs. In addition to the normal unfiltered outputs (+OUT and –OUT), the LT6402-12 has a built-in 75MHz differential low pass filter and an additional pair of filtered outputs (+OUTFILTERED, –OUTFILTERED) to reduce external filtering components when driving high speed ADCs. The output common mode voltage is easily set via the V_OCM pin, eliminating an output transformer or AC-coupling capacitors in many applications.

The LT6402-12 is designed to meet the demanding requirements of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in other applications requiring differential drive. The LT6402-12 can be used in data acquisition systems required to function at frequencies down to DC.

The LT6402-12 operates on a 5V supply and consumes 30mA. It comes in a compact 16-lead 3mm × 3mm QFN package and operates over a –40°C to 85°C temperature range.

Applications

• Differential ADC Driver for:
  
  • Imaging
  • Communications
• Differential Driver/Receiver
• Single Ended to Differential Conversion
• Differential to Single Ended Conversion
• Level Shifting
• IF Sampling Receivers
• SAW Filter Interfacing/Buffering