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MAX7502MUA

更新时间: 2024-02-10 12:31:22
品牌 Logo 应用领域
美信 - MAXIM 传感器温度传感器
页数 文件大小 规格书
13页 1400K
描述
Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection

MAX7502MUA 数据手册

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19-3382; Rev 1; 10/04  
Digital Temperature Sensors and Thermal  
Watchdog with Bus Lockup Protection  
General Description  
Features  
The MAX7500/MAX7501/MAX7502 temperature sen-  
sors accurately measure temperature and provide an  
over-temperature alarm/interrupt/shutdown output.  
These devices convert the temperature measurements  
to digital form using a high-resolution, sigma-delta, ana-  
log-to-digital converter (ADC). Communication is  
through an I2C-compatible 2-wire serial interface. The  
MAX7500/MAX7501/MAX7502 integrate a timeout fea-  
ture that offers protection against I2C bus lockups.  
Timeout Prevents Bus Lockup  
I2C Bus Interface  
3.0V to 5.5V Supply Voltage Range  
250µA (typ) Operating Supply Current  
3µA (typ) Shutdown Supply Current  
2ꢀC (maꢁ) from ꢂ25°C to +100°C Temperature  
Accuracy  
µMAX, SO Packages Save Space  
The 2-wire serial interface accepts standard write byte,  
read byte, send byte, and receive byte commands to  
read the temperature data and configure the behavior  
of the open-drain over-temperature shutdown output.  
The MAX7500 features three address select lines, while  
the MAX7501 and MAX7502 feature two address select  
lines and a RESET input. The MAX7500/MAX7501/  
MAX7502s’ 3.0V to 5.5V supply voltage range, low  
250µA supply current, and a lockup-protected I2C-  
compatible interface make them ideal for a wide range  
of applications, including personal computers (PCs),  
electronic test equipment, and office electronics.  
Separate OpenꢂDrain OS Output Operates as  
Interrupt or Comparator/Thermostat Input  
Register Readback Capability  
Improved LM75 Second Source  
Ordering Information  
PART  
TEMP RANGE  
-55°C to +125°C  
-55°C to +125°C  
-55°C to +125°C  
-55°C to +125°C  
-55°C to +125°C  
-55°C to +125°C  
PIN-PACKAGE  
8 SO  
MAX7500MSA  
MAX7500MUA  
MAX7501MSA  
MAX7501MUA  
MAX7502MSA  
8 µMAX  
8 SO  
The MAX7500/MAX7501/MAX7502 are available in 8-  
pin µMAX® and SO packages and operate over the  
-55°C to +125°C temperature range.  
8 µMAX  
8 SO  
Applications  
MAX7502MUA  
8 µMAX  
2
PCs  
I C is a trademark of Philips Corp.  
2
Purchase of I C components from Maxim Integrated Products  
Inc., or one of its sublicensed Associated Companies, conveys  
Servers  
2
Office Electronics  
Electronic Test Equipment  
Industrial Process Control  
a license under Philips I C Patent Rights to use these compo-  
2
nents in an I C system, provided that the system conforms to  
2
the I C Standard Specification as defined by Philips.  
µMAX is a registered trademark of Maxim Integrated  
Products, Inc.  
Pin Configurations  
TOP VIEW  
SDA  
SCL  
OS  
1
2
3
4
8
7
6
5
+V  
A0  
A1  
A2  
SDA  
SCL  
OS  
1
2
3
4
8
7
6
5
+V  
A0  
A1  
S
S
MAX7500  
MAX7501  
MAX7502  
GND  
GND  
RESET  
µMAX, SO  
µMAX, SO  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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