ASC7611 datasheet(5/40 Pages) ETC2

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www.andigilog.com

October 2006 - 70A05007

aSC7611

DC Electrical Characteristics

The following specifications apply for VDD = 3.0V to 3.6V, and all analog input source impedance Rs = 50Ω unless

otherwise specified in conditions. Boldface limits apply for TA = TJ over TMIN to TMAX; all other limits TA = TJ = 25°C. TA

is the ambient temperature of the aSC7611; TJ is the junction temperature of aSC7611; TD is the remote thermal diode

junction temperature. Specifications subject to change without notice

Parameter

Conditions

Min

Typ

Max

Units

POWER SUPPLY CHARACTERISTICS

Converting, Interface and Fans

Inactive, Peak Current

1.8

3.5

mA(max)

Supply Current

Converting, Interface and Fans

inactive, Average Current

0.5

Power-On Reset Threshold

Voltage

1.6

2.8

TEMPERATURE TO DIGITAL CONVERTER CHARACTERISTICS

Resolution

0.25

°C

Bits

0°C

≤TA≤+100°C,

0°C

≤TD ≤+100°C,

≤VDD≤3.6V

±2

°C

Remote Sensor Accuracy

0°C

≤TA≤+120°C,

-55°C

≤TD ≤+125°C,

≤VDD≤3.6V

±3

°C

Temperature Accuracy using

Internal Diode

0°C

≤TA≤+120°C,

≤VDD≤3.6V

±1

±3

°C

High Level

µA(max)

External Diode Current Source

IDS

Low Level

µA

External Diode Current Ratio

ANALOG TO DIGITAL CONVERTER CHARACTERISTICS

Total Unadjusted Error

TUE

±2

%FS(max)

Differential Non-linearity

DNL

LSB

Power Supply Sensitivity

±1

%/V

Total Monitoring Cycle Time

All Voltage and Temperature

readings

182

200

ms (max)

Input Resistance, all analog

inputs

140

210

400

kΩ

DIGITAL OUTPUT: PWM1, PWM2, PWM3, XTESTOUT

Logic Low Sink Current

IOL

VOL = 0.4V

mA (min)

Logic Low Level

VOL

IOUT = +8mA

0.4

V (max)

SMBUS OPEN-DRAIN OUTPUT: SMBDAT

Logic Low Output Voltage

VOL

IOUT = +4mA

0.4

V (max)

High Level Output Current

IOH

VOUT = V+

0.1

µA(max)

SMBUS INPUTS: SMBCLK, SMBDAT

Logic Input High Voltage

VIH

2.1

V (min)

Logic Input Low Voltage

VIL

0.8

V (max)

Logic Input Hysteresis Voltage

VHYST

300

DIGITAL INPUTS: ALL

Logic Input High Voltage

VIH

2.1

V (min)

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