Datasheet Analog Devices ADA4945-1XCPZ

FEATURES FUNCTIONAL BLOCK DIAGRAM Fully specified dual power mode operation
4 mA full power mode (200 MHz)
1.4 mA low power mode (80 MHz)
Full power mode
Low harmonic distortion
−140 dB THD at 1 kHz
−120 dB THD at 100 kHz
Fast settling time
18-bit: 100 ns
16-bit: 50 ns
Input voltage noise: 1.6 nV/√Hz, f = 100 kHz
±50 µV maximum offset voltage from −40°C to +125°C
Rail-to-rail output
Wide input common-mode voltage range: −VS to +VS − 1.3 V
Flexible power supplies: 3 V to 10 V 500Ω 33Ω
110pF ADA4945-1 VOCM AD7768 +OUT
–IN
500Ω 33Ω –
500Ω –DIN Figure 1. The low dc offset, dc offset drift, and excellent dynamic
performance of the ADA4945-1 makes it well suited for a
variety of data acquisition and signal processing applications.
The ADA4945-1 is available in a RoHS-complaint, 3 mm × 3 mm,
16-lead LFCSP. The ADA4945-1 is specified to operate over the …