Datasheet > ZMOD4450

ZMOD4450

更新时间： 2024-11-08 02:52:15

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
18页	946K
描述
Gas Sensor Module for Refrigeration Air Quality

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ZMOD4450 数据手册

Gas Sensor Module for

Refrigeration Air Quality

ZMOD4450

Datasheet

Description

Features

The ZMOD4450 Gas Sensor Module is designed for detecting

Measurement of gases associated with food ripening and

storage: ethylene, amines, volatile sulfur compounds

gases associated with food ripening or rotting and is targeted for

use in refrigeration air quality (RAQ) applications; for example, food

storage and shipping. The sensor is a 12-pin LGA assembly (3.0 

3.0  0.7 mm) that consists of a gas sense element and a CMOS

signal conditioning IC. The module’s sense element consists of a

heater element on a silicon-based MEMS structure and a metal

temperature sensor. It measures the MOx conductivity, which is a

function of the gas concentration.

Configurable methods of operation based on application and

use case

Heater driver and regulation loop for constant heater voltage

or constant heater resistance

Internal auto-compensated temperature sensor; not stress

sensitive

I2C interface: up to 400kHz

The measurement results can be read via an I2C interface with the

user’s microprocessor, which processes the data to determine the

levels of gases present and to indicate the likelihood of food spoil-

age. With the ZMOD4450’s low operating current consumption, the

sensor is an excellent choice for low-voltage and low-power battery

applications. Built-in nonvolatile memory (NVM) stores the config-

uration and provides space for arbitrary user data.

Configurable alarm/interrupt output with static and adaptive

levels

Adjustable ADC resolution for optimal speed versus

resolution: 16-bit maximum

Built-in nonvolatile memory (NVM) for user data

Low average power consumption in the mW range

Firmware upgradable platform for application optimizations,

such as ultra-low-power battery applications

Typical Applications

No external trimming components required

External reset pin (active-LOW)

Refrigerator systems control

Measurement of fruit and vegetable quality

Customization for mobile and consumer applications

Siloxane resistant

Monitors for fruit and vegetable shipping and storage

conditions for fruit and vegetable quality

Physical Characteristics

Target operation temperature: 0°C to 25°C

Supply voltage: 1.7V to 3.6V

Package: 12-LGA

VSS

V_SUPPLY

VSS

Power

Supply

VDDIO

VDDH

Assembly size: 3.0  3.0  0.7 mm

VDD

Available Support

ZMOD4450

Gas Sensor Module

ZMOD4450 Evaluation Kit

SDA

SCL

Manuals, application notes, and white papers

Instructional videos

Algorithms

Post-Processing

INT

Programming libraries, example codes, and algorithm

support to optimize performance

RES_N

October 30, 2019

12 3 4 5 6 7...18

中文翻译

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