參數(shù)資料
型號(hào): ADM1027ARQZ-RL7
廠商: ON Semiconductor
文件頁(yè)數(shù): 2/56頁(yè)
文件大小: 1822K
描述: IC REMOTE THERMAL CTLR 24QSOP
產(chǎn)品變化通告: MFG CHG Notification ADI to ON Semi
Product Discontinuation Notice 25/Aug/2008
Product Obsolescence 30/Sept/2009
標(biāo)準(zhǔn)包裝: 1,000
系列: dBCool®
功能: 風(fēng)扇控制,溫度監(jiān)控器
傳感器類型: 內(nèi)部和外部
感應(yīng)溫度: 0°C ~ 105°C,外部傳感器
精確度: ±1°C
拓?fù)洌?/td> ADC,比較器,風(fēng)扇速度計(jì)數(shù)器,多路復(fù)用器,寄存器庫(kù)
輸出類型: SMBus?
輸出警報(bào): 無(wú)
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: 0°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 24-QSOP
包裝: 帶卷 (TR)
REV. A
2
ADM1027SPECIFICATIONS
1, 2, 3, 4 (T
A
 = T
MIN
 to T
MAX
 (0C to 105C), V
CC
 = V
MIN
 to V
MAX
(3 V to 5.5 V),
unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage
3.0
3.3
5.5
V
Supply Current, I
CC
1.4
3
mA
Interface Inactive, ADC Active
TEMP-TO-DIGITAL CONVERTER
Local Sensor Accuracy
?
o
C
0
o
C T
A
  105
o
C
?
o
C
0
o
C T
A
  70
o
C
?
o
C
T
A
 = 40
o
C
Resolution
0.25
o
C
Remote Diode Sensor Accuracy
?
o
C
0
o
C T
D
  120
o
C
?.5
o
C
0
o
C T
D
  120
o
C; 0
o
C T
A
 70
o
C
?
o
C
T
A
 = 40
o
C
o
C
0
o
C T
D
  120
o
C; T
A
 = 40
o
C
Resolution
0.25
o
C
Remote Sensor Source Current
200
mA
High Level
12
mA
Low Level
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
Total Unadjusted Error, TUE
?.5
?
%
All ADC Inputs except 12 V
?.5
%
12 V Input
Differential Nonlinearity, DNL
?
LSB
8 Bits
Power Supply Sensitivity
?.1
%/V
Conversion Time (Voltage Input)
11.38
12.29
ms
Averaging Enabled
Conversion Time (Local Temperature)
12.09
13.05
ms
Averaging Enabled
Conversion Time (Remote Temperature)
25.59
27.64
ms
Averaging Enabled
Total Monitoring Cycle Time
120.17
129.78
ms
Averaging Enabled
Total Monitoring Cycle Time
13.51
14.59
ms
Averaging Disabled
Input Resistance
80
140
250
k
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
?
%
0
o
C T
A
  70
o
C
?
%
3.0 V V
CC
  3.6 V
Full-Scale Count
65,535
Nominal Input RPM
109
RPM
Fan Count = 0xBFFF
329
RPM
Fan Count = 0x3FFF
5,000
RPM
Fan Count = 0x0438
10,000
RPM
Fan Count = 0x021C
Internal Clock Frequency
82.8
90
97.2
kHz
OPEN-DRAIN DIGITAL OUTPUTS,
PWM1PWM3, XTO
Current Sink, I
OL
8.0
mA
Output Low Voltage, V
OL
0.4
V
I
OUT
 = 8.0 mA, V
CC
 = 3.3 V
High Level Output Current, I
OH
0.1
1
mA
V
OUT
 = V
CC
Rev. 3 | Page 2 of 56 | www.onsemi.com
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