ADT7463 查看數據表（PDF） - ON Semiconductor

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ADT7463

dBCOOL™ Remote Thermal Controller and Voltage Monitor

ON Semiconductor 

ADT7463–SPECIFICATIONS1, 2, 3, 4

(TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.)

Parameter

Min

Typ Max Unit

POWER SUPPLY

Supply Voltage

Supply Current, ICC

3.0

5.0

5.5

V

3

mA

20

µA

TEMPERATURE-TO-DIGITAL CONVERTER

Local Sensor Accuracy

Resolution

Remote Diode Sensor Accuracy

Resolution

Remote Sensor Source Current

± 0.5 ± 1.5 �C

±3

�C

0.25

�C

± 0.5 ± 1.5 �C

± 2.5 �C

±3

�C

0.25

�C

180

µA

11

µA

ANALOG-TO-DIGITAL CONVERTER

(INCLUDING MUX AND ATTENUATORS)

Total Unadjusted Error, TUE

Differential Nonlinearity, DNL

Power Supply Sensitivity

Conversion Time (Voltage Input)

Conversion Time (Local Temperature)

Conversion Time (Remote Temperature)

Total Monitoring Cycle Time

Total Monitoring Cycle Time

Input Resistance

100

± 1.5 %

±1

LSB

± 0.1

%/V

11.38 13

ms

12.09 13.50 ms

25.59 28

ms

120.17 134.50 ms

13.51 15

ms

140

200

kΩ

FAN RPM-TO-DIGITAL CONVERTER

Accuracy

Full-Scale Count

Nominal Input RPM

Internal Clock Frequency

±7

%

± 11

%

± 13

%

65,535

109

RPM

329

RPM

5,000

RPM

10,000

RPM

82.8

90.0

97.2

kHz

OPEN-DRAIN DIGITAL OUTPUTS,

PWM1 to PWM3, XTO

Current Sink, IOL

Output Low Voltage, VOL

High Level Output Current, IOH

OPEN-DRAIN SERIAL DATA

BUS OUTPUT (SDA)

Output Low Voltage, VOL

High Level Output Current, IOH

SMBUS DIGITAL INPUTS

(SCL, SDA)

Input High Voltage, VIH

Input Low Voltage, VIL

Hysteresis

8.0

mA

0.4

V

0.1

1

µA

0.4

V

0.1 1

µA

2.0

V

0.4

V

500

mV

DIGITAL INPUT LOGIC LEVELS

(VID0 to VID5)

Input High Voltage, VIH

1.7

Input Low Voltage, VIL

Input High Voltage, VIH

0.8

Input Low Voltage, VIL

V

0.8

V

V

0.4

V

Rev. 4 | Page 2 of 52 | www.onsemi.com

–2–

Test Conditions/Comments

Interface Inactive, ADC Active

Standby Mode

0�C � TA � 70�C

–40�C � TA � +120�C

0�C � TA � 70�C; 0�C � TD � 120�C

0�C � TA � 105�C; 0�C � TD � 120�C

0�C � TA � 120�C; 0�C � TD � 120�C

High Level

Low Level

Averaging Enabled

Averaging Enabled

Averaging Enabled

Averaging Enabled

Averaging Disabled

0�C � TA � 70�C

0�C � TA � 105�C

–40�C � TA � +120�C

Fan Count = 0xBFFF

Fan Count = 0x3FFF

Fan Count = 0x0438

Fan Count = 0x021C

IOUT = –8.0 mA, VCC = 3.3 V

VOUT = VCC

IOUT = –4.0 mA, VCC = 3.3 V

VOUT = VCC

Bit 6 (THLD) Reg. 0x43 = 0

(VID Threshold = 1 V)

Bit 6 (THLD) Reg. 0x43 = 1

(VID Threshold = 0.6 V)

REV. C

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