MAX121 - 308ksps ADC，带有DSP接口和78dB SINAD

MAX121是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX121是308ksps ADC，带有DSP接口和78dB SINAD，本站介绍了MAX121的封装应用图解、特点和优点、功能等，并给出了与MAX121相关的Maxim元器件型号供参考。

MAX121 - 308ksps ADC，带有DSP接口和78dB SINAD - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX121 is a complete, BiCMOS, serial-output, sampling 14-bit analog-to-digital converter (ADC) that combines an on-chip track/hold and a low-drift, low-noise, buried-zener voltage reference with fast conversion speed and low power consumption. The throughput rate is as high as 308k samples per second (ksps). The full-scale analog input range is ±5V.

The MAX121 utilizes the successive-approximation architecture with a high-speed DAC to achieve both fast conversion speeds and low-power operation. Operating with +5V and -12V or -15V power supplies, power consumption is only 210mW.

The MAX121 can be directly interfaced to the serial port of most popular digital-signal processors, and comes in space-saving 16-pin DIP and SO and smaller 20-pin SSOP packages. The MAX121 operates with TTL- and CMOS-compatible clocks in the frequency range from 1.1MHz to 5.5MHz. All logic inputs and outputs are TTL- and CMOS-compatible. This data sheet includes application notes for easy interface to TMS320, µPD77230, and ADSP2101 digital-signal processors, as well as µPs using the Motorola SPI and QSPI interface standards.

关键特性

以下关键特性由Maxim美信半导体提供：

14-Bit Resolution

2.9µs Conversion Time/308ksps Throughput

400ns Acquisition Time

Low Noise and Distortion

78dB SINAD

-85dB THD

±5V Bipolar Input Range, Overvoltage Tolerant to ±15V

210mW Power Dissipation

Continuous-Conversion Mode Available

30ppm/°C, -5V Internal Reference

Interfaces to DSP Processors

16-Pin DIP and SO Packages, 20-Pin SSOP Package

热门应用

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数字信号处理

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频谱分析

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