AD8139 Analog Devices

Fully differential Low noise 2.25 nV/√Hz 2.1 pA/√Hz Low harmonic distortion 98 dBc SFDR at 1 MHz 85 dBc SFDR at 5 MHz 72 dBc SFDR at 20 MHz High speed.

ADC drivers to 18 bits Single-ended-to-differential converters Differential filters Level shifters D.