Datasheet Analog Devices ADAR7251WBCSZ

4-Channel, 16-Bit, Continuous Time
Data Acquisition ADC
ADAR7251 Data Sheet
FEATURES GENERAL DESCRIPTION Low noise: 2.4 nV/√Hz input referred voltage noise at
maximum gain setting
Wide input signal bandwidth: 500 kHz at 1.2 MSPS sample
rate, 16-bit resolution
Additional sample rates supported: 300 kSPS, 450 kSPS,
600 kSPS, 900 kSPS, and 1.8 MSPS
4 differential simultaneous sampling channels
No active antialiasing filter required
LNA and PGA with 45 dB gain range in 6 dB steps
Selectable equalizer
Flexible data port supports serial or parallel mode
Supports FSK mode for FMCW radar systems
On-chip 1.5 V reference
Internal oscillator/PLL input: 16 MHz to 54 MHz
High speed serial data interface
SPI control
2 general-purpose inputs/outputs
48-lead LFCSP_SS package
Temperature range: −40°C to +125°C
Single supply operation of 3.3 V …