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Applications Information
Digital Noise
The MAX7500MAX7504 feature an integrated lowpass
filter on both the SCL and the SDA digital lines to miti-
gate the effects of bus noise. Although this filtering
makes communication robust in noisy environments,
good layout practices are always recommended.
Minimize noise coupling by keeping digital traces away
from switching power supplies. Ensure that digital lines
containing high-speed data communications cross at
right angles to the SDA and SCL lines.
Excessive noise coupling into the SDA and SCL lines
on the MAX7500MAX7504specifically noise with
amplitude greater than 400mV
P-P
(the MAX7500
MAX7504s typical hysteresis), overshoot greater than
300mV above +V
S
, and undershoot more than 300mV
below GNDmay prevent successful serial communi-
cation. Serial bus no-acknowledge is the most common
symptom, causing unnecessary traffic on the bus.
Care must be taken to ensure proper termination within
a system with long PCB traces or multiple parts on the
bus. Resistance can be added in series with the SDA
and SCL lines to further help filter noise and ringing. If it
proves to be necessary, a 5k?resistor should be
placed in series with the SCL line, placed as close as
possible to SCL. This 5k?resistor, with the 5pF to 10pF
stray capacitance of the MAX7500MAX7504 provide a
6MHz to 12MHz lowpass filter, which is sufficient filter-
ing in most cases.
Chip Information
PROCESS: CMOS
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
______________________________________________________________________________________   11
Ordering Information/
Selector Guide (continued)
PART
TEMP
RANGE
PIN-
PACKAGE
RESET   TIMEOUT
MAX7500MSA+
-55癈 to
+125癈
8 SO
X
X
MAX7500MUA
-55癈 to
+125癈
8 礛AX
X
X
MAX7500MUA+
-55癈 to
+125癈
8 礛AX
X
X
MAX7501MSA
-55癈 to
+125癈
8 SO
X
X
MAX7501MSA+
-55癈 to
+125癈
8 SO
X
X
MAX7501MUA
-55癈 to
+125癈
8 礛AX
X
X
MAX7501MUA+
-55癈 to
+125癈
8 礛AX
X
X
MAX7502MSA
-55癈 to
+125癈
8 SO
X

MAX7502MSA+
-55癈 to
+125癈
8 SO
X

MAX7502MUA
-55癈 to
+125癈
8 礛AX
X

MAX7502MUA+
-55癈 to
+125癈
8 礛AX
X

MAX7503MSA
-55癈 to
+125癈
8 SO
X

MAX7503MSA+
-55癈 to
+125癈
8 SO
X

MAX7503MUA
-55癈 to
+125癈
8 礛AX
X

MAX7503MUA+
-55癈 to
+125癈
8 礛AX
X

MAX7504MSA
-55癈 to
+125癈
8 SO
X

MAX7504MSA+
-55癈 to
+125癈
8 SO
X

MAX7504MUA
-55癈 to
+125癈
8 礛AX
X

MAX7504MUA+
-55癈 to
+125癈
8 礛AX
X

+Denotes a lead(Pb)-free/RoHS-compliant package.
1
2
3
4
8
7
6
5
+V
S
A0
A1
A2
GND
OS
SCL
SDA
MAX7500
?SPAN class="pst MAX7500MTA-T_2293722_5">MAX, SO
1
2
3
4
8
7
6
5
+V
S
A0
A1
RESET
GND
OS
SCL
SDA
MAX7501
MAX7504
?SPAN class="pst MAX7500MTA-T_2293722_5">MAX, SO
TOP VIEW
Pin Configurations
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相关代理商/技术参数
MAX7500MTA-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
MAX7500MUA 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
MAX7500MUA+ 功能描述:板上安装温度传感器 Digital Temperature Sensor 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
MAX7500MUA+T 功能描述:板上安装温度传感器 Digital Temperature Sensor 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
MAX7500MUA-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
MAX7501MSA 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
MAX7501MSA+ 功能描述:板上安装温度传感器 Digital Temperature Sensor 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
MAX7501MSA+T 功能描述:板上安装温度传感器 Digital Temperature Sensor 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