MAX118 - +5V、1Msps、4及8通道、8位ADC，带有1µA关断模式

MAX118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，MAX118是+5V、1Msps、4及8通道、8位ADC，带有1µA关断模式，本站介绍了MAX118的封装应用图解、特点和优点、功能等，并给出了与MAX118相关的Maxim元器件型号供参考。

MAX118 - +5V、1Msps、4及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、+5V、8位ADC，并行接口 - 美信半导体

产品概述

The MAX114/MAX118 are microprocessor-compatible, 8-bit, 4-channel and 8-channel analog-to-digital converters (ADCs). They operate from a single +5V supply and use a half-flash technique to achieve a 660ns conversion time (1Msps). A power-down (active-low PWRDN) pin reduces current consumption typically to 1µA. The devices return from power-down mode to normal operating mode in less than 200ns, 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 MAX114/MAX118 input/reference configuration enables ratiometric operation.

The 4-channel MAX114 is available in a 24-pin DIP or SSOP. The 8-channel MAX118 is available in a 28-pin DIP or SSOP. For +3V applications, refer to the MAX113/MAX117 data sheet.

关键特性

以下关键特性由Maxim美信半导体提供：

Single +5V Supply Operation

4 (MAX114) or 8 (MAX118) Analog Input Channels

Low Power:

40mW (operating mode)

5µW (power-down mode)

Total Unadjusted Error <1LSB

Fast Conversion Time: 660ns per Channel

No External Clock Required

Internal Track/Hold

1MHz Full-Power Bandwidth

Internally Connected 8th Channel Monitors Reference Voltage (MAX118)

热门应用

通信系统

高速DSP

便携式设备

远端数据采集

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