Dual differential ADC drivers with ±0.1dB and ±0.1° matching at 100MHz
(Product News, 16 May 2008 )
The LTC6420-20 and LTC6421-20 are said to be the industry's first high-speed dual differential ADC drivers with guaranteed gain matching, and noise and distortion performance. With guaranteed matched gain of ±0.25dB and matched phase of ±0.1° (typ.), the LTC6420-20 reduces errors in multichannel systems such as IQ demodulation or diversity receivers. Channel separation is 80dB at 100MHz. LTC6421-20 is a lower power (40mA) version of the LTC6420-20 and is optimized for lower input frequencies of DC to 140MHz.
