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ZADCS1022 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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2 / 27 page ZADCS1082/1042/1022 10-Bit, 250ksps, ADC Family © 2011 Zentrum Mikroelektronik Dresden AG — Rev. 2.0 All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to changes without notice. ns possible due to downward compatibility within the family power t ZADCS1282 Kit or ZMDI ZADCS10x2 Family S1282 device ADC resolution............................ 10 Bit ............ 250 ksps 5.25V ax. ply Brief Description The ZMDI ZADCS1082/ZADCS1042/ZADCS1022 are 10-Bit low power analog-to-digital (A/D) converters with up to 250ksps conversion rate. The converter is based on successive- approximation-register architecture. All converters have an 8-channel input multiplexer and a high-bandwidth a track/hold circuit. All analog inputs are software configurable as eight / four/two single ended or four/two/one differential analog input channels as well as for unipolar or bipolar output coding. The ZADCS1082/ ZADCS1042/ ZADCS1022 operate from a single +2.7V to +5.25V supply. The synchronous four wire serial interface connects directly to a microcontroller using one of the standards like SPI™, QSPI™, and Microwire™ without external components. The ZADCS1082/ZADCS1042/ZADCS1022 use either the external serial-interface clock or an internally generated clock to perform successive- approximation analog-to-digital conversions. The internal clock mode can be used to run synchronous conversions on several ZMDI ADCs in parallel. The “V” versions ZADCS1082V/ZADCS1042V/ ZADCS1022V are equipped with a high accurate internal 2.5V reference with an additional external ±1.5% voltage adjustment range. The device provides a hard-wired shut-down pin (nSHDN) and software-selectable power-down modes to automatically shut down the IC at the end of a conversion. Accessing the serial interface automatically powers up the ZADCS1082/ ZADCS1042/ZADCS1022. A quick turn-on time allows the device to be shut down between measurements. Features 10-Bit resolution SAR ADC 2/4/8 channel single or 1/2/4 channel diff. inputs Software configurable uni- or bipolar output code SPI™/QSPI™, Microwire™ compatible serial interface No missing codes Low power consumption Internal 2.5V reference (only “V” version - ZADCS1082V/ ZADCS1042V/ZADCS1022V) Software programmable power down mode Single-Supply Operation +2.5V to +5.25V Benefits Scalable system solutio upward/ ( 8, 10, 12 bit resolution, 2, 4, 8 channels) Accurate measurements Long battery life cycles due to low consumption Synchronous sampling with several ZADCS parts in parallel Available Suppor - Evaluation Kit f based on ZADC - Standalone and PC based operation modus - USB 2.0 (1.1) compatible - User Interface for PC operated modus l. and FFT analyzer - Graphical oscilloscope app Physical Characteristics Conversion rate............... Power supply rate ....................... 2.7V to INL............................................... ±0.4 LSB m DNL............................................. ±0.4 LSB max. SINAD ......................................... >61 dB Standby (idle) current.................. <0.5 µA Current consumption @ 200 ksps, 3V sup - with internal reference .............. < 1.2 mA - without internal reference ......... < 0.9 mA 85°C Temperature range ..................... -25°C to + 14 / 16 / 20-Pin SSOP package |
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