Datasheet > ADM1027ARQZ-RL71

ADM1027ARQZ-RL71

更新时间： 2022-03-04 06:41:03

品牌	Logo	应用领域
安森美 - ONSEMI		监视器控制器
页数	文件大小	规格书
56页	1815K
描述
dBCOOLâ¢ Remote Thermal Controller and Voltage Monitor

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数据手册

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ADM1027ARQZ-RL71 数据手册

(T_A= T_MINto T_MAX(0؇C to 105؇C), V_CC= V_MINto V_MAX(3 V to 5.5 V),

ADM1027–SPECIFICATIONS^{1, 2, 3, 4}

unless otherwise noted.)

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER SUPPLY

Supply Voltage

Supply Current, I_CC

3.0

3.3

1.4

5.5

Interface Inactive, ADC Active

TEMP-TO-DIGITAL CONVERTER

Local Sensor Accuracy

±3

±2

^oC

0^oC Յ T_AՅ 105^oC

0^oC Յ T_AՅ 70^oC

T_A= 40^oC

±1

Resolution

Remote Diode Sensor Accuracy

0.25

±3

0^oC Յ T_DՅ 120^oC

±1.5

0^oC Յ T_DՅ 120^oC; 0^oC Յ T_AՅ 70^oC

T_A= 40^oC

±1

0^oC Յ T_DՅ 120^oC; T_A= 40^oC

Resolution

Remote Sensor Source Current

0.25

200

High Level

Low Level

ANALOG-TO-DIGITAL CONVERTER

(INCLUDING MUX AND ATTENUATORS)

Total Unadjusted Error, TUE

±0.5

±1

All ADC Inputs except 12 V

12 V Input

8 Bits

±1.5

±1

Differential Nonlinearity, DNL

Power Supply Sensitivity

LSB

%/V

k⍀

±0.1

Conversion Time (Voltage Input)

Conversion Time (Local Temperature)

Conversion Time (Remote Temperature)

Total Monitoring Cycle Time

Input Resistance

11.38

12.09

25.59

120.17

13.51

140

12.29

13.05

27.64

129.78

14.59

250

Averaging Enabled

Averaging Disabled

FAN RPM-TO-DIGITAL CONVERTER

Accuracy

±6

0^oC Յ T_AՅ 70^oC

3.0 V Յ V_CCՅ 3.6 V

±8

Full-Scale Count

Nominal Input RPM

65,535

109

329

RPM

kHz

Fan Count = 0xBFFF

Fan Count = 0x3FFF

Fan Count = 0x0438

Fan Count = 0x021C

5,000

10,000

Internal Clock Frequency

82.8

97.2

OPEN-DRAIN DIGITAL OUTPUTS,

PWM1–PWM3, XTO

Current Sink, I_OL

8.0

0.4

Output Low Voltage, V_OL

High Level Output Current, I_OH

I_OUT= –8.0 mA, V_CC= 3.3 V

V_OUT= V_CC

0.1

Rev. 3 | Page 2 of 56 | www.onsemi.com

–2–

REV. A

123 4 5 6 7...56

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