AD7982 Datasheet | Analog Devices

Data Sheet 18-Bit, 1 MSPS Pul SAR ADC in MSOP/LFCSP AD7982 Features FUNCTIONAL BLOCK DIAGRAM High performance 2.5V TO 5V 2.5V True differential analog input range: ±VREF 0 V to VREF with VREF between 2.5 V to 5 V Easy to drive with the ADA4941-1 or ADA4940-1 Throughput: 1 MSPS Zero latency architecture 18-bit resolution with no missing codes INL: ±1 LSB typical, ±2 LSB maximum ±10V, ±5V, .. ADA4940-1/ ADA4941-1 REF VDD VIO IN+ AD7982 SCK IN- GND SDO CNV 1.8V TO 5V 3- OR 4-WIRE INTERFACE (SPI, CS DAISY CHAIN) 06513-001 Dynamic range: 99 d B, VREF = 5 V SNR: 98 d B at f IN = 1 k Hz, VREF = 5 V THD: - 119 d B at f IN = 1 k Hz, VREF = 5 V Figure 1. GENERAL DESCRIPTION SINAD: 97 d B at f IN = 1 k Hz, VREF = 5 V The AD7982 is an 18-bit, successive approximation, analog-to- Low power dissipation digital converter (ADC) that operates from a single power supply, Single-supply 2.5 V operation with 1.8 V, 2.5 V, 3 V, and VDD. The AD7982 contains a low power, high speed, 18-bit 5 V logic interface sampling ADC and a versatile serial interface port. On the...