LM96063

SNIS149B – NOVEMBER 2011 – REVISED MARCH 2013

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AC Electrical Characteristics

The following specifications apply for VDD = 3.0 VDC to 3.6 VDC, and all analog source impedance RS = 50Ω unless

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

Typical

Limits

Units

Parameter

Test Conditions

(1)

(2)

(Limit)

TACHOMETER ACCURACY

Fan Count Accuracy

±7

% (max)

Fan Full-Scale Count

65535

(max)

Fan Counter Clock Frequency

90

kHz

Fan Count Update Frequency

1.0

Hz

FAN PWM OUTPUT

Frequency Accuracy

±7

% (max)

(1)

“Typicals” are at TA = 25°C and represent most likely parametric norm. They are to be used as general reference values not for critical

design calculations.

(2)

Limits are specified to AOQL (Average Outgoing Quality Level).

Digital Electrical Characteristics

Typical

Limits

Units

Parameter

Test Conditions

(1)

(2)

(Limit)

VIH

Logical High Input Voltage

2.1

V (min)

VIL

Logical Low Input Voltage

0.8

V (max)

IIH

Logical High Input Current

VIN = VDD

0.005

+10

µA (max)

IIL

Logical Low Input Current

VIN = GND

−0.005

−10

µA (max)

CIN

Digital Input Capacitance

5

pF

ALERT, TCRIT and PWM Output

VOL

IOUT = 6 mA

0.4

V (max)

Saturation Voltage

COUT

Digital Output Capacitance

5

pF

(1)

“Typicals” are at TA = 25°C and represent most likely parametric norm. They are to be used as general reference values not for critical

design calculations.

(2)

Limits are specified to AOQL (Average Outgoing Quality Level).

SMBus Logical Electrical Characteristics

The following specifications apply for VDD = 3.0 VDC to 3.6 VDC, and all analog source impedance RS = 50Ω unless

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

Typical

Limits

Units

Parameter

Test Conditions

(1)

(2)

(Limit)

SMBDAT OPEN-DRAIN OUTPUT

VOL

Logic Low Level Output Voltage

IOL = 4 mA

0.4

V (max)

IOH

High Level Output Current

VOUT = VDD

0.03

10

µA (max)

COUT

Digital Output Capacitance

5

pF

SMBDAT, SMBCLK INPUTS

VIH

Logical High Input Voltage

2.1

V (min)

VIL

Logical Low Input Voltage

0.8

V (max)

VHYST

Logic Input Hysteresis Voltage

320

mV

CIN

Digital Input Capacitance

5

pF

(1)

“Typicals” are at TA = 25°C and represent most likely parametric norm. They are to be used as general reference values not for critical

design calculations.

(2)

Limits are specified to AOQL (Average Outgoing Quality Level).

6

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