Home datasheet ADC0809CCN

ADC0809CCN

8-Bit μP Compatible A/D Converters with 8-Channel Multiplexer
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Description

DESCRIPTION
The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter, 8-channel multiplexer and microprocessor compatible control logic. The 8-bit A/D converter uses successive approximation as the conversion technique. The converter features a high impedance chopper stabilized comparator, a 256R voltage divider with analog switch tree and a successive approximation register. The 8-channel multiplexer can directly access any of 8-single-ended analog signals.
The device eliminates the need for external zero and full-scale adjustments. Easy interfacing to microprocessors is provided by the latched and decoded multiplexer address inputs and latched TTL TRI-STATE outputs.
The design of the ADC0808, ADC0809 has been optimized by incorporating the most desirable aspects of several A/D conversion techniques. The ADC0808, 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.)

FEATURES
• Easy Interface to All Microprocessors
• Operates Ratiometrically or with 5 VDC or
   Analog Span Adjusted Voltage Reference
• No Zero or Full-Scale Adjust Required
• 8-Channel Multiplexer with Address Logic
• 0V to VCC Input Range
• Outputs meet TTL Voltage Level Specifications
• ADC0808 Equivalent to MM74C949
• ADC0809 Equivalent to MM74C949-1

KEY SPECIFICATIONS
• Resolution: 8 Bits
• Total Unadjusted Error: ±½ LSB and ±1 LSB
• Single Supply: 5 VDC
• Low Power: 15 mW
• Conversion Time: 100 μs

Features

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Parameters

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Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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