ADM1034

更新时间： 2024-02-16 16:12:47

品牌	Logo	应用领域
亚德诺 - ADI		风扇监控控制器
页数	文件大小	规格书
40页	1527K
描述
Thermal Monitor and Fan Speed (RPM) Controller

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数据手册

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ADM1034 数据手册

ADM1034

SPECIFICATIONS

T_A= T_MINto T_MAX, V_CC= V_MINto V_MAX, unless otherwise noted.¹

Table 1.

Parameter

Min

Typ

Max

Unit

Test °onditions/°omments

POWER SUPPLY

Supply Voltage, V_CC

Supply Current, I_CC

3.0

3.30

3.6

900

µA

Interface inactive, ADC active

Standby mode

Undervoltage Lockout Threshold

Power-On Reset Threshold

2.5

2.4

TEMPERATURE-TO-DIGITAL CONVERTER

Internal Sensor Accuracy

°C

20°C ≤ T_A≤ 60°C

°C

−4

−40°C ≤ T_A≤ +100°C

Resolution

0.03125

°C

External Diode Sensor Accuracy

0.5

°C

−40°C ≤ T_D≤ +100°C; T_A= +40°C

−40°C ≤ T_D≤ +100°C; +20°C ≤ T_A≤ +60°C

−40°C ≤ T_D≤ +100°C; −40°C ≤ T_A≤ +100°C

°C

−3

Resolution

0.03125

°C

Remote Sensor Source Current

µA

µΑ

Ω

%/V

High level

Mid level

Low level

Series Resistance Cancellation

Power Supply Sensitivity

Conversion Time (Local Temperature)

Conversion Time (Remote Temperature)

Total Conversion Time

1000

Averaging enabled

OPEN-DRAIN DIGITAL OUTPUTS

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

Output Low Voltage, V_OL

0.4

_OUT= −6.0 mA; V_CC= +3 V

High Level Output Leakage Current, I_OH

DIGITAL INPUT LEAKAGE CURRENT

(TACH1, TACH2)

0.1

µA

V_OUT= V_CC; V_CC= 3 V

Input High Current, I_IH

µA

−1

−V_IN= V_CC

V_IN= 0

Input Low Current, I_IL

Input Capacitance, C_IN

DIGITAL INPUT LOGIC LEVELS

(TACH1, TACH2)

Input High Voltage, V_IH

Input Low Voltage, V_IL

2.0

5.5

+0.8

−0.3

Hysteresis

500

0.1

mV p−p

OPEN-DRAIN SERIAL DATA

BUS OUTPUT (SDA)

Output Low Voltage, V_OL

High Level Output Leakage Current, I_OH

SERIAL BUS DIGITAL INPUTS

(SCL, SDA)

0.4

_OUT= −6.0 mA; V_CC

µA

V_OUT= V_CC

Input High Voltage, V_IH

Input Low Voltage, V_IL

Hysteresis

2.1

0.8

500

Rev. 0 | Page 4 of 40

1 2 345 6 7...40

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