参数资料
型号: ADM1032ARZ-REEL7
厂商: ON Semiconductor
文件页数: 3/18页
文件大小: 197K
描述: IC TEMP MONITOR 85DEG 8SOIC
产品变化通告: MFG CHG Notification ADI to ON Semi
Product Discontinuation 30/Sept/2011
标准包装: 1,000
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 ~ 120°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: 0°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: 带卷 (TR)
ADM1032
http://onsemi.com
3
Table 3. PIN ASSIGNMENT
Pin No.
Mnemonic
Description
1
V
DD
Positive Supply, 3.0 V to 5.5 V.
2
D+
Positive Connection to Remote Temperature Sensor.
3
D
Negative Connection to Remote Temperature Sensor.
4
THERM
THERM
 is an open-drain output that can be used to turn a fan on/off or throttle a CPU clock in the event
of an overtemperature condition. Requires pullup to V
DD
, the same supply as the ADM1032.
Note: Please refer to Power Sequencing Considerations; THERM
 Pin Pullup on page 15 for more
information.
5
GND
Supply Ground Connection.
6
ALERT
Open-Drain Logic Output Used as Interrupt or SMBus Alert.
7
SDATA
Logic Input/Output, SMBus Serial Data. Open-drain output. Requires pullup resistor.
8
SCLK
Logic Input, SMBus Serial Clock. Requires pullup resistor.
Table 4. ELECTRICAL CHARACTERISTICS
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply
Supply Voltage, V
DD
3.0
3.30
5.5
V
Average Operating Supply Current, I
CC
0.0625 Conversions/Sec Rate (Note 1)

170
215
mA
Standby Mode

5.5
10
mA
Undervoltage Lockout Threshold
V
DD
 Input, Disables ADC, Rising Edge
2.35
2.55
2.8
V
Power-On Reset Threshold
1.0

2.4
V
Temperature-To-Digital Converter
Local Sensor Accuracy
0 d T
A
 d 100癈, V
CC
 = 3 V to 3.6 V

?
?
Resolution

1.0

Remote Diode Sensor Accuracy
60癈 d T
D
 d 100癈, V
CC
 = 3 V to 3.6 V
0癈 d T
D
 d 120癈




?
?
Resolution

0.125

Remote Sensor Source Current
High Level (Note 2)
Low Level (Note 2)


230
13


mA
Conversion Time
From stop bit to conversion complete
Both channels: one-shot mode with averaging
switched on
One-shot mode with averaging off (that is,
conversion rate = 32 or 64 conversions per second)
35.7
5.7


142.8
22.8
ms
Open-Drain Digital Outputs (THERM
, ALERT
)
Output Low Voltage, V
OL
I
OUT
 = 6.0 mA (Note 2)


0.4
V
High Level Output Leakage Current, I
OH
V
OUT
 = V
DD
 (Note 2)

0.1
1.0
mA
Serial Bus Timing (Note 2)
Logic Input High Voltage, V
IH
SCLK, SDATA
V
DD
 = 3.0 V to 5.5 V
2.1


V
Logic Input Low Voltage, V
IL
V
DD
 = 3.0 V to 5.5 V


0.8
V
Hysteresis
SCLK, SDATA

500

mV
SDATA Output Low Sink Current
SDATA Forced to 0.6 V
6.0


mA
ALERT
 Output Low Sink Current
ALERT
 Forced to 0.4 V
1.0


mA
Logic Input Current, I
IH
, I
IL
1.0

+1.0
mA
Input Capacitance, SCLK, SDATA

5.0

pF
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