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ADS574KU Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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ADS574KU Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 13 page © 1991 Burr-Brown Corporation PDS-1104F Printed in U.S.A. July, 1993 ADS574 FEATURES q REPLACES ADC574 FOR NEW DESIGNS q COMPLETE SAMPLING A/D WITH REFERENCE, CLOCK AND MICROPROCESSOR INTERFACE q FAST ACQUISITION AND CONVERSION: 25 µs max q ELIMINATES EXTERNAL SAMPLE/HOLD IN MOST APPLICATIONS q GUARANTEED AC AND DC PERFORMANCE q SINGLE +5V SUPPLY OPERATION q LOW POWER: 100mW max q PACKAGE OPTIONS: 0.6" and 0.3" DIPs, SOIC DESCRIPTION The ADS574 is a 12-bit successive approximation analog-to-digital converter using an innovative capacitor array (CDAC) implemented in low-power CMOS technology. This is a drop-in replacement for ADC574 models in most applications, with internal sampling, much lower power consumption, and capa- bility to operate from a single +5V supply. The ADS574 is complete with internal clock, micro- processor interface, three-state outputs, and internal scaling resistors for input ranges of 0V to +10V, 0V to +20V, ±5V, or ±10V. The maximum throughput time for 12-bit conversions is 25 µs over the full operating temperature range, including both acquisition and con- version. Complete user control over the internal sampling func- tion facilitates elimination of external sample/hold amplifiers in most existing designs. The ADS574 requires +5V, with –12V or –15V op- tional, depending on usage. No +15V supply is re- quired. Available packages include 0.3" or 0.6" wide 28-pin plastic DIPs and 28-lead SOICs. Microprocessor-Compatible Sampling CMOS ANALOG-TO-DIGITAL CONVERTER Comparator 2.5V Reference Input CDAC 10V Range 20V Range Bipolar Offset – + 2.5V Reference Output Control Inputs 2.5V Reference Clock Successive Approximation Register Control Logic Status Parallel Data Output ® International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 ADS574 ADS574 ADS574 |
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Descripción similar - ADS574KU |
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