ADM1034 datasheet(4/40 Pages) AD

tên linh kiện	ADM1034

Giải thích chi tiết về linh kiện	Thermal Monitor and Fan Speed (RPM) Controller

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ADM1034

Rev. 0 | Page 4 of 40

SPECIFICATIONS

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

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER SUPPLY

Supply Voltage, VCC2

3.0

3.30

3.6

V

Supply Current, ICC

3

mA

Interface inactive, ADC active

900

µA

Standby mode

Undervoltage Lockout Threshold

2.5

V

Power-On Reset Threshold

1

2.4

V

TEMPERATURE-TO-DIGITAL CONVERTER

Internal Sensor Accuracy

±1

±2

°C

20°C ≤ TA ≤ 60°C

−4

+2

°C

−40°C ≤ TA ≤ +100°C

Resolution

0.03125

°C

External Diode Sensor Accuracy

±0.5

±1

°C

−40°C ≤ TD ≤ +100°C; TA = +40°C

±1

°C

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

−3

+2

°C

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

Resolution

0.03125

°C

Remote Sensor Source Current

85

µA

High level

34

µΑ

Mid level

5

µΑ

Low level

Series Resistance Cancellation

1000

Ω

Power Supply Sensitivity

±1

%/V

Conversion Time (Local Temperature)

11

ms

Averaging enabled

Conversion Time (Remote Temperature)

32

ms

Averaging enabled

Total Conversion Time

75

ms

Averaging enabled

OPEN-DRAIN DIGITAL OUTPUTS

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

Output Low Voltage, VOL

0.4

V

IOUT =

−6.0 mA; VCC = +3 V

High Level Output Leakage Current, IOH

0.1

1

µA

VOUT = VCC; VCC = 3 V

DIGITAL INPUT LEAKAGE CURRENT

(TACH1, TACH2)

Input High Current, IIH

−1

µA

−VIN = VCC

Input Low Current, IIL

1

µA

VIN = 0

Input Capacitance, CIN

7

pF

DIGITAL INPUT LOGIC LEVELS

(TACH1, TACH2)

Input High Voltage, VIH

2.0

5.5

V

Input Low Voltage, VIL

−0.3

+0.8

V

Hysteresis

500

mV p

−p

OPEN-DRAIN SERIAL DATA

BUS OUTPUT (SDA)

Output Low Voltage, VOL

0.4

V

IOUT =

−6.0 mA; VCC

High Level Output Leakage Current, IOH

0.1

1

µA

VOUT = VCC

SERIAL BUS DIGITAL INPUTS

(SCL, SDA)

Input High Voltage, VIH

2.1

V

Input Low Voltage, VIL

0.8

V

Hysteresis

500

mV

Số phần tương tự - ADM1034

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	ADM1034	426Kb / 39P	Thermal Monitor and Fan Speed (RPM) Controller July, 2009 ??Rev. 3
	ADM1034ARQZ	426Kb / 39P	Thermal Monitor and Fan Speed (RPM) Controller July, 2009 ??Rev. 3
	ADM1034ARQZ-REEL	426Kb / 39P	Thermal Monitor and Fan Speed (RPM) Controller July, 2009 ??Rev. 3

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