Part # AD7984 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD7984 18-Bit 1.33 MSPS PulSAR 10.5 mW ADC in MSOP/QFN Data Sheet (Rev. 0)


Part Details:

18-Bit, 1.33 MSPS PulSAR 10.5 mW ADC in MSOP/QFN AD7984 FEATURES APPLICATION DIAGRAM 18-bit resolution with no missing codes 2.9V TO 5V 2.5V Throughput: 1.33 MSPS Low power dissipation: 10.5 mW at 1.33 MSPS INL: ±2.25 LSB maximum REF VDD VIO 1.8V TO 5V Dynamic range: 99.7 dB typical IN+ SDI 3- OR 4-WIRE True differential analog input range: ±V AD7984 SCK INTERFACE REF ±10V, ±5V, .. IN­ SDO (SPI, CS 0 V to VREF with VREF between 2.9 V to 5.0 V GND CNV ADA4941 DAISY CHAIN) 001 Allows use of any input range 73- 069 Easy to drive with the ADA4941 Figure 1. No pipeline delay Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic GENERAL DESCRIPTION interface The AD7984 is an 18-bit, successive approximation, analog-to- Serial interface SPI-/QSPITM-/MICROWIRETM-/DSP-compatible digital converter (ADC) that operates from a single power Ability to daisy-chain multiple ADCs and busy indicator supply, VDD. It contains a low power, high speed, 18-bit 10-lead MSOP (MSOP-8 size) and 10-lead 3 mm × 3 mm QFN sampling ADC and a versatile serial interface port. On the CNV (LFCSP), SOT-23 size rising edge, the AD7984 samples the voltage difference between the IN+ and IN- pins. The voltages on these pins usually swing APPLICATIONS in opposite phases between 0 V and VREF. The reference voltage, REF, is applied externally and can be set independent of the Battery-powered equipment supply voltage, VDD. Data acquisition systems Medical instruments The SPI-compatible serial interface also features the ability,


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AD7984.pdf Datasheet