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CMOS、微处理器接口兼容、5µs/10µs、8位ADC

产品详情

主要特征

Parametric specs for Precision ADCs (< 5Msps)
Resolution (bits) (ADC) 8
# Input Channels 1
Conv. Rate (ksps) (max) 100
Data Bus µP/8
ADC Architecture SAR
Diff/S.E. Input S.E. Only
Internal VREF (V) (nominal) 1.23
Unipolar VIN (V) (max) 2.64
INL (±LSB) 1
Package/Pins PLCC/20
Budgetary
Price (See Notes)
8.47
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参量

Parametric specs for Precision ADCs (<u><</u> 5Msps)
Resolution (bits) (ADC) 8
# Input Channels 1
Conv. Rate (ksps) (max) 100
Data Bus µP/8
ADC Architecture SAR
Diff/S.E. Input S.E. Only
Internal VREF (V) (nominal) 1.23
Unipolar VIN (V) (max) 2.64
INL (±LSB) 1
Package/Pins PLCC/20
Budgetary
Price (See Notes)
8.47

主要特征

  • Fast Conversion Time:
    • 5µs (MX7575)
    • 10µs (MX7576)
  • Built-In Track/Hold Function (MX7575)
  • Low Total Unadjusted Error (±1LSB max)
  • 50kHz Full-Power Signal Bandwidth (MX7575)
  • Single +5V Supply Operation
  • 8-Bit µP Interface
  • 100ns Data-Access Time
  • Low Power: 15mW
  • Small-Footprint Packages

应用/用途

  • 音频系统
  • 数字信号处理(DSP)
  • 高速数据采集器
  • 高速伺服环路
  • 低功耗数据记录仪
  • 电信

描述

Maxim's MX7575/MX7576 are high-speed (5µs/10µs), microprocessor (µP) compatible, 8-bit analog-to-digital converters (ADCs). The MX7575 provides an on-chip track/hold function that allows full-scale signals up to 50kHz (386mV/µs slew rate) to be acquired and digitized accurately. Both ADCs use a successive-approximation technique to achieve their fast conversions and low power dissipation. The MX7575/MX7576 operate with a +5V supply and a 1.23V external reference. They accept input voltages ranging from 0V to 2VREF.

The MX7575/MX7576 are easily interfaced to all popular 8-bit µPs through standard CS and RD control signals. These signals control conversion start and data access. A BUSY signal indicates the beginning and end of a conversion. Since all the data outputs are latched and three-state buffered, the MX7575/MX7576 can be directly tied to a µP data bus or system l/O port.

Maxim also makes the MAX165, a plug-in replacement for the MX7575 with an internal 1.23V reference. For applications that require a differential analog input and an internal reference, the MAX166 is recommended.

简化框图

MX7575、MX7576:引脚配置 MX7575、MX7576:引脚配置 Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心