ADM1034ARQ 데이터 시트보기 (PDF) - Analog Devices

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ADM1034ARQ

Thermal Monitor and Fan Speed (RPM) Controller

Analog Devices 

ADM1034

SPECIFICATIONS

TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.1

Table 1.

Parameter

Min

Typ

POWER SUPPLY

Supply Voltage, VCC2

3.0

3.30

Supply Current, ICC

Undervoltage Lockout Threshold

Power-On Reset Threshold

1

TEMPERATURE-TO-DIGITAL CONVERTER

Internal Sensor Accuracy

−4

Resolution

External Diode Sensor Accuracy

−3

Resolution

Remote Sensor Source Current

Series Resistance Cancellation

Power Supply Sensitivity

Conversion Time (Local Temperature)

Conversion Time (Remote Temperature)

Total Conversion Time

OPEN-DRAIN DIGITAL OUTPUTS

(ALERT, THERM, FAN_FAULT, DRIVE1, DRIVE2)3

Output Low Voltage, VOL

High Level Output Leakage Current, IOH

DIGITAL INPUT LEAKAGE CURRENT

(TACH1, TACH2)

Input High Current, IIH

−1

Input Low Current, IIL

Input Capacitance, CIN

DIGITAL INPUT LOGIC LEVELS

(TACH1, TACH2)

Input High Voltage, VIH

2.0

Input Low Voltage, VIL

−0.3

Hysteresis

OPEN-DRAIN SERIAL DATA

BUS OUTPUT (SDA)

Output Low Voltage, VOL

High Level Output Leakage Current, IOH

SERIAL BUS DIGITAL INPUTS

(SCL, SDA)

Input High Voltage, VIH

2.1

Input Low Voltage, VIL

Hysteresis

2.5

±1

0.03125

±0.5

±1

0.03125

85

34

5

±1

11

32

75

0.1

7

500

0.1

500

Max

3.6

3

900

2.4

±2

+2

±1

+2

1000

0.4

1

1

5.5

+0.8

0.4

1

0.8

Unit

Test Conditions/Comments

V

mA

Interface inactive, ADC active

µA

Standby mode

V

V

°C

20°C ≤ TA ≤ 60°C

°C

−40°C ≤ TA ≤ +100°C

°C

°C

−40°C ≤ TD ≤ +100°C; TA = +40°C

°C

−40°C ≤ TD ≤ +100°C; +20°C ≤ TA ≤ +60°C

°C

−40°C ≤ TD ≤ +100°C; −40°C ≤ TA ≤ +100°C

°C

µA

High level

µΑ

Mid level

µΑ

Low level

Ω

%/V

ms

Averaging enabled

ms

Averaging enabled

ms

Averaging enabled

V

IOUT = −6.0 mA; VCC = +3 V

µA

VOUT = VCC; VCC = 3 V

µA

−VIN = VCC

µA

VIN = 0

pF

V

V

mV p−p

V

IOUT = −6.0 mA; VCC

µA

VOUT = VCC

V

V

mV

Rev. 0 | Page 4 of 40

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