MAX1110 - +2.7V、低功耗、多通道、串行8位ADC

MAX1110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，MAX1110是+2.7V、低功耗、多通道、串行8位ADC，本站介绍了MAX1110的封装应用图解、特点和优点、功能等，并给出了与MAX1110相关的Maxim元器件型号供参考。

MAX1110 - +2.7V、低功耗、多通道、串行8位ADC - 数据转换器和采样-保持电路 - 功耗最低的8位、4/8通道ADC，内置基准 - 美信半导体

产品概述

The MAX1110/MAX1111 low-power, 8-bit, 8-channel analog-to-digital converters (ADCs) feature an internal track/hold, voltage reference, clock, and serial interface. They operate from a single 2.7V to 5.5V supply and consume only 85µA while sampling at rates up to 50ksps. The MAX1110's 8 analog inputs and the MAX1111's 4 analog inputs are software-configurable, allowing unipolar/bipolar and single-ended/differential operation.

Successive-approximation conversions are performed using either the internal clock or an external serial-interface clock. The full-scale analog input range is determined by the 2.048V internal reference, or by an externally applied reference ranging from 1V to VDD. The 4-wire serial interface is compatible with the SPI™, QSPI™, and MICROWIRE™ serial-interface standards. A serial-strobe output provides the end-of-conversion signal for interrupt-driven processors.

The MAX1110/MAX1111 have a software-programmable, 2µA automatic power-down mode to minimize power consumption. Using power-down, the supply current is reduced to 6µA at 1ksps, and only 52µA at 10ksps. Power-down can also be controlled using the active-low SHDN input pin. Accessing the serial interface automatically powers up the device.

The MAX1110 is available in a 20-pin SSOP package. The MAX1111 is available in a small 16-pin QSOP package.

关键特性

以下关键特性由Maxim美信半导体提供：

2.7V to 5.5V Single Supply

Low Power

85µA at 50ksps

6µA at 1ksps

8-Channel Single-Ended or 4-Channel Differential Inputs (MAX1110)

4-Channel Single-Ended or 2-Channel Differential Inputs (MAX1111)

Internal Track/Hold; 50kHz Sampling Rate

Internal 2.048V Reference

SPI/QSPI/MICROWIRE-Compatible Serial Interface

Software-Configurable Unipolar or Bipolar Inputs

Total Unadjusted Error

±1 LSB (max)

±0.3 LSB (typ)

热门应用

4mA-20mA远端供电数据采集系统

手持测量设备

医疗仪器

便携式数据记录

太阳能供电远端系统

系统诊断

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