Data Sheet
High Speed, ±0.
1 µV/˚C Offset Drift, Fully Differential ADC Driver ADA4945-1
FEATURES
Broad power supply range: 3 V to 10 V Wide input common-mode
voltage range: −VS to +VS − 1.
3 V Rail-to-rail output Fully specified dual power mode operation
4 mA full power mode (145 MHz) 1.
4 mA low power mode (80 MHz) Full power mode Low harmonic distortion −133 dBc HD2 and −140 dBc HD3 at 1 kHz −133 dBc HD2 and −116 dBc HD3 at 100 kHz Fast settling time
18-bit: 100 ns 16-bit: 50 ns Input
voltage noise: 1.
8 nV/√Hz, f = 100 kHz ±115 µV maximum offset
voltage from −40°C to +125°C Adjustable output clamps for ADC input protection
APPLICATIONS
Low power Σ-Δ, PulSAR®, and SAR ADC drivers Single-end...