参数资料
型号: ADT7461ARZ
厂商: ON Semiconductor
文件页数: 2/20页
文件大小: 268K
描述: IC TEMP MONITOR +/-1C DUAL 8SOIC
产品变化通告: MFG CHG Notification ADI to ON Semi
Product Discontinuation 30/Sept/2011
标准包装: 98
功能: 温度监控系统(传感器)
传感器类型: 内部和外部
感应温度: 0°C ~ 127°C,-55°C ~ 150°C
精确度: ±3°C
拓扑: ADC,比较器,多路复用器,寄存器库
输出类型: 2 线 SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 120°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
产品目录页面: 1129 (CN2011-ZH PDF)
ADT7461
http://onsemi.com
2
Figure 1. Functional Block Diagram
ON-CHIP
TEMPERATURE
SENSOR
ANALOG
MUX
BUSY
ADC
LOCAL TEMPERATURE
VALUE REGISTER
REMOTE TEMPERATURE
VALUE REGISTER
REMOTE OFFSET
REGISTER
RUN/STANDBY
EXTERNAL DIODE OPEN-CIRCUIT
STATUS REGISTER
SMBUS INTERFACE
LIMIT
COMPARATOR
INTERRUPT
MASKING
SDATA
SCLK
8
7
ADDRESS POINTER
REGISTER
CONVERSION RATE
REGISTER
LOCAL TEMPERATURE
LOW LIMIT REGISTER
LOCAL TEMPERATURE
HIGH LIMIT REGISTER
REMOTE TEMPERATURE
LOW LIMIT REGISTER
REMOTE TEMPERATURE
HIGH LIMIT REGISTER
LOCAL THERM
 LIMIT
REGISTER
EXTERNAL THERM
 LIMIT
REGISTER
CONFIGURATION
REGISTER
4
6
GND
5
V
DD
1
ADT7461
D+
D
ALERT
/
THERM2
THERM
SRC
BLOCK
3
2
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (V
DD
) to GND
0.3, +5.5
V
D+
0.3 to V
DD
 + 0.3
V
D to GND
0.3 to +0.6
V
SCLK, SDATA, ALERT
0.3 to +5.5
V
THERM
0.3 to V
DD
 + 0.3
V
Input Current, SDATA, THERM
1, +50
mA
Input Current, D
?
mA
ESD Rating, All Pins (Human Body Model)
2000
V
Maximum Junction Temperature (T
J
 Max)
150
Storage Temperature Range
65 to +150
IR Reflow Peak Temperature
220
IR Reflow Peak Temperature for Pb-Free
260 (?.5)
Lead Temperature (Soldering 10 sec)
300
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE:   This device is ESD sensitive. Use standard ESD precautions when handling.
Table 2. THERMAL CHARACTERISTICS
Package Type
q
JA
Unit
8-lead SOIC NB Package
121
癈/W
8-lead MSOP Package
142
癈/W
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