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ADS9120 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS9120 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 64 page + + CONVST CS SCLK SDI SDO ± 0 SDO ± 1 SDO ± 2 SDO ± 3 RVS AIN_P AIN_M 16-Bit SAR ADC, 2.5 MSPS ADS9120 multiSPI TM Serial Interface DDR 4X SDO VBIAS VIN+ VIN- SPI Mode OPA625 OPA625 DVDD AVDD REFP REFM RST DGND AGND multiSPI TM Mode Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. ADS9120 SBAS710 – SEPTEMBER 2016 ADS9120 16-Bit, 2.5-MSPS, 15.5-mW, SAR ADC with multiSPI™ Interface 1 1 Features 1 • Sample Rate: 2.5 MSPS • No Latency Output • Excellent DC and AC Performance: – INL: ±0.25 LSB (Typ), ±0.6 LSB (Max) – DNL: ±0.6 LSB (Max), 16-Bit NMC – SNR: 96 dB – THD: –118 dB • Wide Input Range: – Unipolar Differential Input Range: ±VREF – VREF Input Range: 2.5 V to 5 V, Independent of AVDD • Low-Power Dissipation: – 9 mW at 2.5 MSPS (AVDD Only) – 15 mW at 2.5 MSPS (Total) – Flexible Low-Power Modes Enable Power Scaling with Throughput • multiSPI™: Enhanced Serial Interface • JESD8-7A-Compliant Digital I/O at 1.8-V DVDD • Fully-Specified Over Extended Temperature Range: –40°C to +125°C • Small Footprint: 4-mm × 4-mm VQFN 2 Applications • Test and Measurement • Motor Control • Medical Imaging • High-Precision, High-Speed Industrial 3 Description The ADS9120 is an 16-bit, 2.5-MSPS, successive approximation register (SAR) analog-to-digital converter (ADC) with ±0.25-LSB INL and 96-dB SNR specifications under typical operating conditions. The high throughput enables developers to oversample the input signal to improve dynamic range and accuracy of the measurement. The device supports unipolar, fully-differential analog input signals and operates with a 2.5-V to 5-V external reference, offering a wide selection of input ranges without additional input scaling. The device consumes only 15.5 mW of power when operating at the full 2.5-MSPS throughput. Power consumption at lower throughputs can be reduced by using the flexible low-power modes (NAP and PD). The integrated multiSPI™ serial interface is backward-compatible to the traditional SPI protocol. Additionally, configurable features simplify board layout, timing, and firmware and achieve high throughput at lower clock speeds, thus allowing easy interface with a variety of microcontrollers, digital signal processors (DSPs), and field-programmable gate arrays (FPGAs). The device supports JESD8-7A compliant I/Os, the extended industrial temperature range, and is offered in a space-saving, 4-mm × 4-mm, VQFN package. Device Information PART NUMBER PACKAGE BODY SIZE (NOM) ADS9120 VQFN (24) 4.00 mm × 4.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Typical Application Diagram and Integral Nonlinearity vs Code Plot |
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