ADC0809-N - 具有 8 通道多路复用器的 A/D 转换器，兼容 8 位微处理器

ADC0809-N是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADC0809-N是具有 8 通道多路复用器的 A/D 转换器，兼容 8 位微处理器，本站介绍了ADC0809-N的封装应用图解、特点和优点、功能等，并给出了与ADC0809-N相关的TI元器件型号供参考。

ADC0809-N - 具有 8 通道多路复用器的 A/D 转换器，兼容 8 位微处理器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

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.)

产品特性

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

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