Description
Ultralow Distortion Differential ADC Driver ADA4939-1/ADA4939-2 .
The ADA4939 is a low noise, ultralow distortion, high speed differential amplifier.
Features
* www. datasheet4u. com
Extremely low harmonic distortion
* 102 dBc HD2 @ 10 MHz
* 83 dBc HD2 @ 70 MHz
* 77 dBc HD2 @ 100 MHz
* 101 dBc HD3 @ 10 MHz
* 97 dBc HD3 @ 70 MHz
* 91 dBc HD3 @ 100 MHz Low input voltage noise: 2.3 nV/√Hz High speed
* 3 dB bandwid
Applications
* ADC drivers Single-ended-to-differential converters IF and baseband gain blocks Differential buffers Line drivers
* 60
* 65
Figure 2. ADA4939-2
VOUT, dm = 2V p-p HD2 HD3
HARMONIC DISTORTION (dBc)
* 70
* 75
* 80
* 85
* 90
* 95
* 100
