參數(shù)資料
型號(hào): ADM1034ARQZ-REEL
廠商: ON Semiconductor
文件頁(yè)數(shù): 4/38頁(yè)
文件大小: 427K
描述: IC THERM/FAN SPEED CTRLR 16-QSOP
產(chǎn)品變化通告: MFG CHG Notification ADI to ON Semi
標(biāo)準(zhǔn)包裝: 2,500
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: -40°C ~ 125°C,外部傳感器
精確度: ±1°C
拓?fù)洌?/td> ADC,比較器,多路復(fù)用器,寄存器庫(kù)
輸出類型: SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 帶卷 (TR)
ADM1034
http://onsemi.com
4
Table 4. ELECTRICAL CHARACTERISTICS (T
A
 = T
MIN
 to T
MAX
, V
CC
 = V
MIN
 to V
MAX
, unless otherwise noted). (Note 1)
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
Power Supply
Supply Voltage, V
CC
 (Note 2)
3.0
3.30
3.6
V
Supply Current, I
CC
Interface Inactive, ADC Active
Standby Mode




3.0
900
mA
mA
Undervoltage Lockout Threshold

2.5

V
Power-On Reset Threshold
1.0

2.4
V
Temperature-to-Digital Converter
Internal Sensor Accuracy
+20癈 ?T
A
 ?+60癈
40癈 ?T
A
 ?+100癈


?.0

?.0
?.5
Resolution

0.03125

External Diode Sensor Accuracy
40癈 ?T
D
 ?+100癈; T
A
 = +40癈
40癈 ?T
D
 ?+100癈; +20癈 ?T
A
 ?+60癈
40癈 ?T
D
 ?+100癈; 40癈 ?T
A
 ?+100癈



?.5
?.0

?.0
?.25
?.5
Resolution

0.03125

Remote Sensor Source Current
High Level
Mid Level
Low Level



87
33
5.5



mA
Series Resistance Cancellation


1000
W
Power Supply Sensitivity

?.0

%/V
Conversion Time (Local Temperature)
Averaging Enabled

11

ms
Conversion Time (Remote Temperature)
Averaging Enabled

32

ms
Total Conversion Time
Averaging Enabled

75

ms
Open-Drain Digital Outputs (ALERT
, THERM
, FAN_FAULT
, DRIVE1, DRIVE2) (Note 3)
Output Low Voltage, V
OL
I
OUT
 = 6.0 mA; V
CC
 = +3 V


0.4
V
High Level Output Leakage Current, I
OH
V
OUT
 = V
CC
; V
CC
 = 3 V

0.1
1.0
mA
Digital Input Leakage Current (TACH1, TACH2)
Input High Current, I
IH
V
IN
 = V
CC
1.0


mA
Input Low Current, I
IL
V
IN
 = 0


1.0
mA
Input Capacitance, C
IN

7.0

pF
Digital Input Logic Levels (TACH1, TACH2)
Input High Voltage, V
IH
2.0

5.5
V
Input Low Voltage, V
IL
0.3

+0.8
V
Hysteresis

500

mV pp
Open-Drain Serial Data Bus Output (SDA)
Output Low Voltage, V
OL
I
OUT
 = 6.0 mA; V
CC


0.4
V
High Level Output Leakage Current, I
OH
V
OUT
 = V
CC

0.1
1.0
mA
Serial Data Bus Inputs (SCL, SDA)
Input High Voltage, V
IH
2.1


V
Input Low Voltage, V
IL


0.8
V
Hysteresis

500

mV
Analog Inputs (Location, REF)
Input Resistance
80
125
160
kW
AGTL + INPUT (THERM
)
Input High Level

0.75 x
REF

V
Input Low Level


0.4
V
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