MAX1080A|MAX1080B - 300ksps/400ksps、单电源、低功耗、8通道、串行10位ADC，内置电压基准

MAX1080A|MAX1080B是Maxim美信半导体公司的一款美信芯片产品，MAX1080A|MAX1080B是300ksps/400ksps、单电源、低功耗、8通道、串行10位ADC，内置电压基准，本站介绍了MAX1080A|MAX1080B的封装应用图解、特点和优点、功能等，并给出了与MAX1080A|MAX1080B相关的Maxim元器件型号供参考。

MAX1080A|MAX1080B - 300ksps/400ksps、单电源、低功耗、8通道、串行10位ADC，内置电压基准 - 美信芯片 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX1080/MAX1081 10-bit analog-to-digital converters (ADCs) combine an 8-channel analog-input multiplexer, high-bandwidth track/hold (T/H), and serial interface with high conversion speed and low power consumption. The MAX1080 operates from a single +4.5V to +5.5V supply; the MAX1081 operates from a single +2.7V to +3.6V supply. Both devices' analog inputs are software configurable for unipolar/bipolar and single-ended/pseudo-differential operation.

The 4-wire serial interface connects directly to SPI™/QSPI™ and MICROWIRE™ devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors. The MAX1080/MAX1081 use an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The devices feature an internal +2.5V reference and a reference-buffer amplifier with a ±1.5% voltage-adjustment range. An external reference with a 1V to VDD1 range may also be used.

The MAX1080/MAX1081 provide a hard-wired activel-low SHDN pin and four software-selectable power modes (normal operation, reduced power (REDP), fast power-down (FASTPD), and full power-down (FULLPD)). These devices can be programmed to automatically shut down at the end of a conversion or to operate with reduced power. When using the power-down modes, accessing the serial interface automatically powers up the devices, and the quick turn-on time allows them to be shut down between all conversions. This technique can cut supply current below 100mA at lower sampling rates.

The MAX1080/MAX1081 are available in a 20-pin TSSOP package. These devices are higher-speed versions of the MAX148/MAX149. For more information, refer to the respective data sheet.

关键特性

以下关键特性由Maxim美信半导体提供：

8-Channel Single-Ended or 4-Channel

Pseudo-Differential Inputs

Internal Multiplexer and Track/Hold

Single-Supply Operation

+4.5V to +5.5V (MAX1080)

+2.7V to +3.6V (MAX1081)

Internal +2.5V Reference

400ksps Sampling Rate (MAX1080)

Low Power: 2.5mA (400ksps)

1.3mA (REDP)

0.9mA (FASTPD)

2µA (FULLPD)

SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface

Software-Configurable Unipolar or Bipolar Inputs

20-Pin TSSOP Package

热门应用

电池供电应用

数据采集

医疗仪器

笔输入量化器

便携式数据记录

过程控制

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