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ADC0809CCN データシート(PDF) 1 Page - Texas Instruments |
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ADC0809CCN データシート(HTML) 1 Page - Texas Instruments |
1 / 19 page ADC0808-N, ADC0809-N www.ti.com SNAS535H – OCTOBER 1999 – REVISED MARCH 2013 ADC0808/ADC0809 8-Bit μP Compatible A/D Converters with 8-Channel Multiplexer Check for Samples: ADC0808-N, ADC0809-N 1 FEATURES DESCRIPTION The ADC0808, ADC0809 data acquisition component 2 • Easy Interface to All Microprocessors is a monolithic CMOS device with an 8-bit analog-to- • Operates Ratiometrically or with 5 VDC or digital converter, 8-channel multiplexer and Analog Span Adjusted Voltage Reference microprocessor compatible control logic. The 8-bit • No Zero or Full-Scale Adjust Required A/D converter uses successive approximation as the conversion technique. The converter features a high • 8-Channel Multiplexer with Address Logic impedance chopper stabilized comparator, a 256R • 0V to VCC Input Range voltage divider with analog switch tree and a • Outputs meet TTL Voltage Level Specifications successive approximation register. The 8-channel multiplexer can directly access any of 8-single-ended • ADC0808 Equivalent to MM74C949 analog signals. • ADC0809 Equivalent to MM74C949-1 The device eliminates the need for external zero and full-scale adjustments. Easy interfacing to KEY SPECIFICATIONS microprocessors is provided by the latched and • Resolution: 8 Bits decoded multiplexer address inputs and latched TTL • Total Unadjusted Error: ±½ LSB and ±1 LSB TRI-STATE outputs. • Single Supply: 5 VDC The design of the ADC0808, ADC0809 has been • Low Power: 15 mW optimized by incorporating the most desirable aspects of several A/D conversion techniques. The ADC0808, • Conversion Time: 100 μs ADC0809 offers high speed, high accuracy, minimal temperature dependence, excellent long-term accuracy and repeatability, and consumes minimal power. These features make this device ideally suited to applications from process and machine control to consumer and automotive applications. For 16- channel multiplexer with common output (sample/hold port) see ADC0816 data sheet. (See AN-247 (Literature Number SNOA595) for more information.) Block Diagram Connection Diagrams 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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