ADC0817 - 具有 16 通道多路复用器的 8 位微处理器兼容 A/D 转换器

ADC0817是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADC0817是具有 16 通道多路复用器的 8 位微处理器兼容 A/D 转换器，本站介绍了ADC0817的封装应用图解、特点和优点、功能等，并给出了与ADC0817相关的TI元器件型号供参考。

ADC0817 - 具有 16 通道多路复用器的 8 位微处理器兼容 A/D 转换器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADC0816, ADC0817 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter,16-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 16-channel multiplexer can directly access any one of 16-single-ended analog signals, and provides the logic for additional channel expansion. Signal conditioning of any analog input signal is eased by direct access to the multiplexer output, and to the input of the 8-bit A/D converter.

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-STATEoutputs.

The design of the ADC0816, ADC0817 has been optimized by incorporating the most desirable aspects of several A/D conversion techniques. The ADC0816,ADC0817 offers high speed, high accuracy, minimal temperature dependence, excellent long-term accuracy and repeatability, and consumes minima lpower. These features make this device ideally suited to applications from process and machine control to consumer and automotive applications. For similar performance in an 8-channel, 28-pin, 8-bit A/D converter, see the ADC0808, ADC0809 data sheet. (See AN-258 for more information.)

产品特性

Easy interface to all microprocessors
Operates ratiometrically or with 5 VDC or analog span adjusted voltage reference
16-channel multiplexer with latched control logic
Outputs meet TTL voltage level specifications
0V to 5V analog input voltage range with single 5V supply
No zero or full-scale adjust required
Standard hermetic or molded 40-pin MDIP package
Temperature range −40°C to +85°Cor −55°C to +125°C
Latched TRI-STATE output
Direct access to “comparator in” and “multiplexer out” for signal conditioning
ADC0816 equivalent to MM74C948
ADC0817 equivalent to MM74C948-1

All trademarks are the property of their respective owners. TRI-STATE is a trademark of Texas Instruments.

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