ADT7462 datasheet(5/82 Pages) ONSEMI

部件名	ADT7462

功能描述	Flexible Temperature, Voltage Monitor System Fan Controller

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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ADT7462

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Table 4. ELECTRICAL CHARACTERISTICS (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.) (Note 1)

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

Power Supply

Supply Voltage

3.0

3.3

5.5

V

Supply Current, ICC

ADC Active, Interface Inactive (Note 2)

−

1.5

4.0

mA

Temperature-to-Digital Converter

TA Conditions

VCC Conditions

Internal Sensor, TA, Accuracy

0

°C ≤ TA ≤ 85°C

−40

°C ≤ TA ≤ +100°C

0

°C ≤ TA ≤ 85°C

−40

°C ≤ TA ≤ +100°C

3V

≤ VCC ≤ 3.6 V

3V

≤ VCC ≤ 3.6 V

4.5 V

≤ VCC ≤ 5.5 V

4.5 V

≤ VCC ≤ 5.5 V

−

±0.5

−

±2.25

±3.25

±3.0

±4.0

°C

Resolution

−

0.25

°C

Remote Sensor, TD, Accuracy

(−40

°C ≤ TD ≤ +125°C)

0

°C ≤ TA ≤ 85°C

−40

°C ≤ TA ≤ +100°C

0

°C ≤ TA ≤ 85°C

−40

°C ≤ TA ≤ +100°C

3V

≤ VCC ≤ 3.6 V

3V

≤ VCC ≤ 3.6 V

4.5 V

≤ VCC ≤ 5.5 V

4.5 V

≤ VCC ≤ 5.5 V

−

±0.5

−

±2.25

±3.25

±2.75

±3.5

°C

Resolution

−

0.25

°C

Remote Sensor Source Current

(Note 3)

High Level

Mid Level

Low Level

−

85

34

5.0

−

mA

Series Resistance Cancellation

(Note 3)

The ADT7462 Cancels 2 k

W in Series with

the Remote Thermal Diode

−

2.0

−

k

W

ANALOG−TO−DIGITAL CONVERTER

Total Unadjusted Error, TUE

(Note 4 and 5)

−

±3.5

%

Differential Non-linearity, DNL

8 Bits

−

±1.0

LSB

Conversion Time (Voltage Input) (Note 3)

−

8.53

9.86

ms

Conversion Time (Local Temperature)

(Note 3)

−

9.01

10.38

ms

Conversion Time

(Remote Temperature) (Note 3)

−

38.36

42.09

ms

INPUT RESISTANCE

Pin 7, Pin 8, Pin 13, Pin 21, Pin 22,

Pin 25, Pin 28, Pin 29

Attenuators Enabled

−

140

−

k

W

Pin 15, Pin 19

Attenuators Enabled

−

225

−

k

W

Pin 23, Pin 24

Attenuators Enabled

−

66

−

k

W

Pin 26, VBATT and +1.2V2

(When Measured)

Attenuators Cannot Be Disabled

100

120

140

k

W

VBATT Current Drain

(When Measured)

CR2032 Battery Life > 10 Years

−

80

100

nA

VBATT Current Drain

(When Not Measured)

CR2032 Battery Life > 10 Years

−

16

−

nA

FAN RPM TO DIGITAL CONVERTER

Accuracy

−

±8.0

%

Internal Clock Frequency

82.8

90

97.2

kHz

OPEN-DRAIN OUTPUTS (PWM, GPIO)

High Level Output Leakage Current, IOH

VOUT = VCC

−

0.1

±1.0

mA

Output Low Voltage, VOL

IOUT = −3 mA, VCC = +3.3 V

−

0.4

V

DIGITAL OUTPUT (RESET,ALERT, THERM)

Output Low Voltage, VOL

IOUT = −3 mA, VCC = +3.3 V

−

0.4

V

RESET Pulse Width (Note 3)

140

180

−

ms

RESET Threshold

Falling Voltage

3.0

3.05

3.1

V

RESET Hysteresis (Note 3)

−

70

−

mV

类似零件编号 - ADT7462

制造商	部件名	数据表	功能描述
Analog Devices	ADT7462	1Mb / 92P	Flexible Temperature and Voltage Monitor and System Fan Controller REV. 0
ON Semiconductor	ADT7462	696Kb / 81P	Flexible Temperature, Voltage Monitor, and System Fan Controller January, 2010 ??Rev. 3
Analog Devices	ADT7462ACPZ-500RL7	1Mb / 92P	Flexible Temperature and Voltage Monitor and System Fan Controller REV. 0
ON Semiconductor	ADT7462ACPZ-5RL7	696Kb / 81P	Flexible Temperature, Voltage Monitor, and System Fan Controller January, 2010 ??Rev. 3
ON Semiconductor	ADT7462ACPZ-R7	696Kb / 81P	Flexible Temperature, Voltage Monitor, and System Fan Controller January, 2010 ??Rev. 3

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类似说明 - ADT7462

制造商	部件名	数据表	功能描述
ON Semiconductor	ADT7462	696Kb / 81P	Flexible Temperature, Voltage Monitor, and System Fan Controller January, 2010 ??Rev. 3
Analog Devices	ADT7462	1Mb / 92P	Flexible Temperature and Voltage Monitor and System Fan Controller REV. 0
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ON Semiconductor	ADM1030	602Kb / 29P	Intelligent Temperature Monitor and PWM Fan Controller February 2008 - Rev. 2
Texas Instruments	AMC6821SDBQG4	1Mb / 56P	[Old version datasheet] Intelligent Temperature Monitor and PWM Fan Controller
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ON Semiconductor	ADM1031	305Kb / 30P	Intelligent Temperature Monitor and Dual PWM Fan Controller May, 2010 ??Rev. 4
Analog Devices	ADM1031	289Kb / 32P	Intelligent Temperature Monitor and Dual PWM Fan Controller REV. 0
ON Semiconductor	ADM1032ARZ-1RL7	214Kb / 18P	Local System Temperature Monitor October, 2013 ??Rev. 13