ADT7467ARQ-REEL データシートの表示（PDF） - ON Semiconductor

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ADT7467ARQ-REEL

dbCOOL Remote Thermal Monitor and Fan Controller

ON Semiconductor 

ADT7467

Table 3. ELECTRICAL SPECIFICATIONS (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.) (Note 1)

Parameter

Test Conditions/Comments

Min

Typ

Max

POWER SUPPLY

Supply Voltage

3.0

3.3

5.5

Supply Current, ICC

Interface Inactive, ADC Active

Standby Mode

−

−

3

−

−

20

TEMPERATURE-TO-DIGITAL CONVERTER

Local Sensor Accuracy

0C  TA  70C

−40C  TA  +100C

−40C  TA  +120C

−

−

1.5

−3.5

−

+2

−4

−

+2

Resolution

−

0.25

−

Remote Diode Sensor Accuracy

0C  TA  70C; 0C  TD  120C

−

0.5

1.5

0C  TA  105C; 0C  TD  120C

−3.5

−

+2

−40C  TA  +120C; 0C  TD  +120C

−4.5

−

+2

Resolution

−

0.25

−

Remote Sensor Source Current

First Current

Second Current

Third Current

−

6

−

−

36

−

−

96

−

ANALOG-TO-DIGITAL CONVERTER (INCLUDING MUX AND ATTENUATORS)

Total Unadjusted Error (TUE)

Differential Nonlinearity (DNL)

8 Bits

Power Supply Sensitivity

Conversion Time (Voltage Input)

Averaging Enabled

Conversion Time (Local Temperature)

Averaging Enabled

Conversion Time (Remote Temperature) Averaging Enabled

Total Monitoring Cycle Time

Averaging Enabled

Averaging Disabled

−

−

1.5

−

−

1

−

0.1

−

−

11

−

−

12

−

−

38

−

−

145

−

−

19

−

Input Resistance

For VCC Channel

For All Channels other than VCC

FAN RPM-TO-DIGITAL CONVERTER

Accuracy

0C  TA  70C, 3.3 V

−40C  TA  +120C, 3.3 V

−40C  TA  +120C, 5.5 V

Full-scale Count

Nominal Input RPM

Fan Count = 0xBFFF

Fan Count = 0x3FFF

Fan Count = 0x0438

Fan Count = 0x021C

Internal Clock Frequency

0C  TA  70C, VCC = 3.3 V

−40C  TA  +120C, VCC = 3.3 V

Internal Clock Frequency

*40C  TA  +120C, VCC = 5.5 V

OPEN-DRAIN DIGITAL OUTPUTS, PWM1 to PWM3, XTO

Current Sink, IOL

Output Low Voltage, VOL

IOUT = *8.0 mA, VCC = 3.3 V

High Level Output Current, IOH

VOUT = VCC

OPEN-DRAIN SERIAL DATA BUS OUTPUT (SDA)

Output Low Voltage, VOL

High Level Output Current, IOH

IOUT = *4.0 mA, VCC = 3.3 V

VOUT = VCC

40

80

100

80

140

200

−

−

5

−

−

7

−

−

10

−

−

65,535

−

109

−

−

329

−

−

5000

−

−

10,000

−

85.5

90

94.5

83.7

90

96.3

81

90

99

−

−

8.0

−

−

0.4

−

0.1

1.0

−

−

0.4

−

0.1

1.0

Unit

V

mA

mA

C

C

C

C

mA

%

LSB

%/V

ms

ms

ms

ms

kW

%

RPM

kHz

kHz

mA

V

mA

V

mA

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