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19-1485; Rev 0; 4/99
SOT Temperature Sensor with
Multidrop Single-Wire Digital Interface
General Description
The MAX6575L/H is a low-cost, low-current temperature
sensor with a single-wire digital interface. It features
accuracy of ±3°C at +25°C, ±4.5°C at +85°C, and ±5°C
at +125°C. The MAX6575L/H is a monostable, externally
triggered temperature sensor that allows a microproces-
sor (μP) to interface with up to eight temperature sen-
sors using a single control line. Temperatures are
sensed by measuring the time delay between the falling
edge of the external triggering pulse and the falling
edge of the subsequent pulse delays reported from the
devices. Different sensors on the same I/O line use dif-
ferent timeout multipliers to avoid overlapping signals.
The MAX6575L/H features eight different timeout multi-
pliers; these are selectable by using the two time-select
pins on each device and choosing the “L” or “H” ver-
Features
o Simple Single-Wire Interface to μP or μC
o Multidrop up to Eight Sensors on One Wire
o ±0.8°C Accuracy at +25°C (±3°C max)
o Operates from +2.7V to +5.5V Supply Voltage
o Low 150μA (typ) Supply Current
o Standard Operating Temperature Range:
-40°C to +125°C
o Small 6-Pin SOT23 Package
Ordering Information
sion. The “L” version provides four delay ranges less
than 50ms. The “H” version provides four delay ranges
greater than 50ms. The MAX6575L/H is available in a
PART
TEMP. RANGE
PIN- SOT
PACKAGE TOP MARK
space-saving 6-pin SOT23 package.
MAX6575LZUT
MAX6575HZUT
-40°C to +125°C
-40°C to +125°C
6 SOT23
6 SOT23
AABG
AABH
Applications
Critical μP and μC Temperature Monitoring
Selector Guide
Portable Battery-Powered Equipment
Cell Phones
Battery Packs
Hard Drives/Tape Drives
Networking and Telecom Equipment
PART
MAX6575L
MAX6575H
TIMEOUT MULTIPLIERS
(μs/°K)
5, 20, 40, 80
160, 320, 480, 640
Medical Equipment
Pin Configurations appear at end of data sheet.
Automotive
Typical Operating Circuit
+2.7V TO +5.5V
V CC
0.1 μ F
V DD
0.1 μ F
V DD
0.1 μ F
MAX6575L
MAX6575H
V CC
10k
TS1
TS0
CHIP #1
GND
TS1
TS0
CHIP #8
GND
μ P
GND
I/O
I/O
I/O
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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相关代理商/技术参数
MAX6575HZUT-T 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MAX6575LZUT 制造商:Maxim Integrated Products 功能描述:SINGLE-WIRE DIGITAL TEMPERATURE SEN - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
MAX6575LZUT+ 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 6PIN SOT-23 - Bulk
MAX6575LZUT+T 功能描述:板上安装温度传感器 Temperature Sensor w/Multidrop Int RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MAX6575LZUT-T 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MAX6576LZUT 制造商:Maxim Integrated Products 功能描述:SINGLE-WIRE DIGITAL TEMPERATURE SE - Rail/Tube
MAX6576LZUT+ 制造商:Maxim Integrated Products 功能描述:SINGLE-WIRE DIGITAL TEMPERATURE SE - Rail/Tube
MAX6576LZUT+T 制造商:Maxim Integrated Products 功能描述:SINGLE-WIRE, DIGITAL TEMPERATURE SENSOR WITH - Tape and Reel