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AD573:  10-bit successive approximation ADC

Product Details


The AD573 is a complete 10-bit successive approximation analog-to-digital converter consisting of a DAC, voltage reference, clock, comparator, successive approximation register (SAR) and three state output buffers- all fabricated on a single chip. No external components are required to perform a full accuracy 10-bit conversion in 20 µs.

The AD573 incorporates advanced integrated circuit design and processing technologies. The successive approximation function is implemented with I2L (integrated injection logic). Laser trimming of the high stability SiCr thin-film resistor ladder network insures high accuracy, which is maintained with a temperature compensated subsurface Zener reference.

Operating on supplies of +5 V and -12 V to -15 V, the AD573 will accept analog inputs of 0 V to +10 V or -5 V to +5 V. The trailing edge of a positive pulse on the CONVERT line initiates the 20µs conversion cycle. DATA READY indicates completion of the conversion. HIGH BYTE ENABLE (HBE) and LOW BYTE ENABLE (LBE) control the 8-bit and 2-bit three state output buffers.

The AD573 is available in two versions for the 0°C to +70°C temperature range, the AD573J and AD573K. The AD573S guarantees ±1 LSB relative accuracy and no missing codes from -55°C to +125°C.

Three package configurations are offered. All versions are offered in a 20-pin hermetically sealed ceramic DIP. The AD573J and AD573K are also available in a 20-pin plastic DIP or 20-pin leaded chip carrier.

PRODUCT HIGHLIGHTS

  1. The AD573 is a complete 10-bit A/D converter. No external components are required to perform a conversion.
  2. The AD573 interfaces to many popular microprocessors without external buffers or peripheral interface adapters. The 10 bits of output data can be read as a 10-bit word or as 8- and 2-bit words.
  3. The device offers true 10-bit accuracy and exhibits no missing codes over its entire operating temperature range.
  4. The AD573 adapts to either unipolar (0 V to +10 V) or bipolar (–5 V to +5 V) analog inputs by simply grounding or opening a single pin.
  5. Performance is guaranteed with +5 V and –12 V or –15 V supplies.
  6. The AD573 is available in a version compliant with MIL-STD- 883. Refer to the Analog Devices Military Products Databook or current /883B data sheet for detailed specifications.

FEATURES and BENEFITS

  • Complete 10-Bit A/D Converter with Reference, Clock and Comparator
  • Full 8- or 16-Bit Microprocessor Bus Interface
  • Fast Successive Approximation Conversion—20 µs typ
  • No Missing Codes Over Temperature
  • Operates on +5 V and –12 V to –15 V Supplies
  • Low Cost Monolithic Construction

Functional Block Diagram for AD573

Documentation

Title Content Type File Type
AD573: 10-Bit A/D Converter Datasheet (Rev B, 04/2012) (pdf, 327 kB) Data Sheets PDF
MS-2210: Designing Power Supplies for High Speed ADC  (pdf, 327 kB) Technical Articles PDF
Space Qualified Parts List  (pdf, 93 kB)
This document lists 67 (240+) space level products that are available from Analog Devices. Many of the products listed are state-of-the-art data conversion and signal processing products that were previously only available as commercial or military Class B products. Through our Space Products Group and MIL-PRF-38535 certified Level V (Class S) facility, we are pleased to offer these products to the space marketplace.
Aerospace Information PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

AD573 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
5962-8850501RA Status: Production 20 ld Side-Brazed CerDIP 20 Mil Tube, 19 $247.74 $223.94 N  Material Info PCN Purchase
AD573JN Status: Production 20 ld PDIP 20 Comm. Tube, 18 $34.67 $31.33 N  Material Info PCN Purchase
AD573JNZ Status: Production 20 ld PDIP 20 Comm. Tube, 18 $31.59 $28.54 Y  Material Info PCN Purchase
AD573JP Status: Production 20 ld PLCC 20 Comm. Tube, 49 $34.67 $31.33 N  Material Info PCN Purchase
AD573JPZ Status: Production 20 ld PLCC 20 Comm. Tube, 49 $31.59 $28.54 Y  Material Info Notify Me Purchase
AD573KD Status: Production 20 ld Side-Brazed CerDIP 20 Comm. Tube, 19 $68.41 $61.87 N  Material Info PCN Purchase
AD573KNZ Status: Production 20 ld PDIP 20 Comm. Tube, 18 $44.56 $40.28 Y  Material Info PCN Purchase
AD573SD Status: Production 20 ld Side-Brazed CerDIP 20 Mil Tube, 19 $231.83 $209.56 N  Material Info PCN Purchase
AD573SD/883B Status: Production 20 ld Side-Brazed CerDIP 20 Mil Tube, 19 $234.78 $223.05 N  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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