FEATURES
n 51.0dBm OIP3 at 240MHz into a 100Ω Diff Load n NF = 2.9dB at 240MHz n 20MHz to 2060MHz –3dB Bandwidth n 20.8dB Gain n A-Grade 100% OIP3 Tested at 380MHz n 0.6nV/√Hz Total Input Noise n S11 < –10dB Up to 1.4GHz n S22 < –10dB Up to 1.4GHz n >2.75VP-P Linear Output Swing n P1dB = 24.0dBm n Insensitive to VCC Variation n 100Ω Differential Gain-Block Operation n Input/Output Internally Matched to 100Ω Diff n Single 5V Supply n DC Power = 850mW n 4mm × 4mm, 24-Lead QFN Package APPLICATIONS
n Differential ADC Driver n Differential IF Amplifier n OFDM Signal Chain Amplifier n 50Ω Balanced IF Amplifier n 75Ω CATV Amplifier n 700MHz to 800MHz LTE Amplifier n Low Phase Noise Clock or LO Amplifier LTC6430-20 High Linearity Differential RF/IF Amplifier/ADC Driver DESCRIPTION
The LTC®6430-20 is a differential gain block amplifier designed to drive high resolution, high speed ADCs with excellent linearity beyond 1000MHz and with low associated output noise. Using 1:2 baluns, the device makes an excellent 50Ω wideband balanced amplifier.
Linear Technology
