MAX1298A|MAX1298B|MAX1298C - 12位串行输出温度传感器，带有5通道ADC

MAX1298A|MAX1298B|MAX1298C - 12位串行输出温度传感器，带有5通道ADC - 美信芯片 - 12位ADC，内置±1°C温度传感器，并可测量远端温度 - 美信半导体

产品概述

The MAX1298/MAX1299 implement local and remote temperature sensing with 12-bit resolution, using +5V and +3V supply voltages, respectively. Accuracy is ±1°C from 0 to +70°C, with no calibration needed. The devices feature an algorithmic switched-capacitor analog-to-digital converter (ADC), an on-chip clock, and a 3-wire serial interface compatible with SPI, QSPI™, and MICROWIRE®.

The MAX1298/MAX1299 also perform fully differential voltage measurements with 12-bit resolution and separate track-and-hold (T/H) for positive and negative inputs. Both devices accept versatile input modes consisting of two 3-channel signal pairs, five 1-channel signals relative to an AIN5, or VDD/4 relative to ground. An external reference may be used for more accurate voltage measurements.

Typical power consumption is only 1.3mW (MAX1299). A shutdown mode and two standby modes provide multiple strategies for prolonging battery life in portable applications that require limited sampling throughput.

The MAX1298/MAX1299 are available in 16-pin SSOP packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Local and Remote Temperature Sensing

12-Bit Resolution for Temperature and Voltage Inputs

±1°C Accuracy from -40°C to +85°C

Fully Differential Inputs

Single-Supply Operation

+4.75V to +5.25V (MAX1298)

+2.7V to +3.6V (MAX1299)

3-Wire SPI/QSPI/MICROWIRE-Compatible Interface

Internal Precision Voltage Reference

2.50V (MAX1298)

1.20V (MAX1299)

Space-Saving 16-Pin SSOP Package

热门应用

手持式仪表(PDA、掌上电脑)

工业过程控制

医疗装置

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