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Maxim产品 - MAX117介绍

MAX117 - +3V、400ksps、4/8通道、8位ADC，带有1µA关断模式

MAX117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，MAX117是+3V、400ksps、4/8通道、8位ADC，带有1µA关断模式，本站介绍了MAX117的封装应用图解、特点和优点、功能等，并给出了与MAX117相关的Maxim元器件型号供参考。

MAX117 - +3V、400ksps、4/8通道、8位ADC，带有1µA关断模式 - 数据转换器和采样-保持电路 - 低功耗、+3V、8位ADC，并行接口 - 美信半导体

产品概述

The MAX113/MAX117 are microprocessor-compatible, 8-bit, 4-channel and 8-channel analog-to-digital converters (ADCs). They operate from a single +3V supply and use a half-flash technique to achieve a 1.8µs conversion time (400ksps). A power-down pin (active-low PWRDN) reduces current consumption to 1µA typical. The devices return from power-down mode to normal operating mode in less than 900ns, allowing large supply-current reductions in Burst Mode® applications. (In Burst Mode, the ADC wakes up from a low-power state at specified intervals to sample the analog input signals.) Both converters include a track/hold, enabling the ADC to digitize fast analog signals.

Microprocessor (µP) interfaces are simplified because the ADC can appear as a memory location or I/O port without external interface logic. The data outputs use latched, three-state buffer circuitry for direct connection to an 8-bit parallel µP data bus or system input port. The MAX113/MAX117 input/reference configuration enables ratiometric operation.

The 4-channel MAX113 is available in a 24-pin DIP or SSOP. The 8-channel MAX117 is available in a 28-pin DIP or SSOP. For +5V applications, refer to the MAX114/MAX118 data sheet.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • +3.0V to +3.6V Single-Supply Operation
  • 4 (MAX113) or 8 (MAX117) Analog Input Channels
  • Low Power:
  • 1.5mA (operating mode)
  • 1µA (power-down mode)
  • Total Unadjusted Error < 1LSB
  • Fast Conversion Time: 1.8µs per Channel
  • No External Clock Required
  • Internal Track/Hold
  • Ratiometric Reference Inputs
  • Internally Connected 8th Channel Monitors Reference Voltage (MAX117)
    • 热门应用
  • 电池供电应用
  • 通信系统
  • 便携式设备
  • 远端数据采集
  • 健康监视系统
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