参数资料
型号: NE1617ADS,112
厂商: NXP Semiconductors
文件页数: 16/30页
文件大小: 305K
描述: IC TEMP MONITOR 16SSOP
标准包装: 100
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: -55°C ~ 125°C,外部传感器
精确度: ±3°C 本地(最大),±5°C 远程(最大)
拓扑: ADC,多路复用器,寄存器库
输出类型: SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 管件
其它名称: 935268119112
NE1617ADS
NE1617ADS-ND
NE1617A
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 5  20 March 2012
16 of 30
NXP Semiconductors
NE1617A
Temperature monitor for microprocessor systems
9.2  Power sequencing considerations
9.2.1   Power supply slew rate
When powering-up the NE1617A, ensure that the slew rate of V
DD
 is less than 18 mV/ms.
A slew rate larger than this may cause power-on reset issues and yield unpredictable
results.
9.2.2   Application circuit
Figure 5
 shows a typical application circuit for the NE1617A, using a discrete sensor
transistor connected via a shielded, twisted pair cable. The pull-ups on SCLK, SDATA,
and ALERT
 are required only if they are not already provided elsewhere in the system.
The SCLK and SDATA pins of the NE1617A can be interfaced directly to the SMBus of an
I/O controller, such as the Intel 820 chip set.
 
(1)  Typical value, placed close to temperature sensor.
Fig 5.    Typical application circuit
2   11
NE1617A
STBY
V
DD
2
15
D+
D
emote sensor
N3904 (NPN),
N3906 (PNP)
r similar stand-alone
SIC or processor
ermal diode
ADD0
ADD1  GND  GND
C1
(1)
2200 pF
3
4
10
6
7
8
ALERT
SDATA
SCLK
clock
data
microcontroller
interrupt
14
12
11
R
10 k?/DIV>
R
10 k?/DIV>
R
10 k?/DIV>
V
DD
0.1 糉
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