AMC80PWR datasheet(4/23 Pages) TI1

Part #	AMC80PWR

Description	System Hardware Monitor with Two-Wire/SMBus Serial Interface

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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INT_IN

SDA

SCL

FAN1

FAN2

BTI

GPI/CI

GND

V+

INT

GPO

NTEST_INRESET_IN

/

A2

A1

A0/NTEST_OUT

CH0

CH1

CH2

CH3

CH4

CH5

CH6

AGND

RST_OUTOS

/

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

AMC80

14

13

AMC80

SBOS559

– MAY 2011

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

At TA –40°C to +125°C and V+ = 3 V to 5.5 V, unless otherwise noted.

AMC80

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

FAN RPM-TO-DIGITAL CONVERTER

FANERR

Fan RPM error

–10

10

%

fCLK

Internal clock frequency

20.2

22.5

24.8

kHz

Divisor = 1, fan count = 153

8800

RPM

Divisor = 2, fan count = 153

4400

RPM

FANRPM

FAN1 and FAN2 nominal input RPM

Divisor = 3, fan count = 153

2200

RPM

Divisor = 4, fan count = 153

1100

RPM

FSC

Full-scale count

255

Counts

POWER SUPPLY

V+

Specified voltage range

+3

+5.5

V

V+ = 5.5 V

100

µA

IQA

Quiescent current, average

V+ = 3.8 V

25

µA

V+ = 5.5 V

100

µA

IQSD

Quiescent current, shutdown mode

V+ = 3.8 V

25

µA

TEMPERATURE

TA

Specified range

-40

+125

°C

PIN CONFIGURATION

PW PACKAGE

TSSOP-24

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