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ADC0820-N 데이터시트(PDF) 1 Page - Texas Instruments |
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ADC0820-N 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 29 page ADC0820-N www.ti.com SNAS529C – JUNE 1999 – REVISED MARCH 2013 ADC0820-N 8-Bit High Speed µP Compatible A/D Converter with Track/Hold Function Check for Samples: ADC0820-N 1 FEATURES KEY SPECIFICATIONS 2 • Built-In Track-and-Hold Function • Resolution: 8 Bits • No Missing Codes • Conversion Time • No External Clocking – 2.5 µs Max (RD Mode) • Single Supply—5 VDC – 1.5 µs Max (WR-RD Mode) • Easy Interface to All Microprocessors, or • Low Power: 75 mW Max Operates Stand-Alone • Total Unadjusted Error: ±½ LSB and ± 1 LSB • Latched TRI-STATE Output DESCRIPTION • Logic Inputs and Outputs Meet Both MOS and By using a half-flash conversion technique, the 8-bit T2L Voltage Level Specifications ADC0820-N CMOS A/D offers a 1.5 µs conversion • Operates Ratiometrically or with any time and dissipates only 75 mW of power. The half- Reference Value Equal to or Less than VCC flash technique consists of 32 comparators, a most • 0V to 5V Analog Input Voltage Range with significant 4-bit ADC and a least significant 4-bit Single 5V Supply ADC. • No Zero or Full-Scale Adjust Required The input to the ADC0820-N is tracked and held by • Overflow Output Available for Cascading the input sampling circuitry eliminating the need for an external sample-and-hold for signals moving at • 0.3 in. Standard Width 20-Pin PDIP less than 100 mV/µs. • 20-Pin PLCC For ease of interface to microprocessors, the • 20-Pin SOIC ADC0820-N has been designed to appear as a memory location or I/O port without the need for external interfacing logic. Connection and Functional Diagrams Figure 1. CDIP, PDIP, Figure 2. PLCC Package and SOIC Packages (Top View) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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