LM63DIMASLASHNOPB datasheet(7/41 Pages) TI1

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LM63

www.ti.com

SNAS190E – SEPTEMBER 2002 – REVISED MAY 2013

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.

UNITS

SYMBOL

PARAMETER

CONDITIONS

TYPICAL(1)

LIMITS(2)

(LIMIT)

TACHOMETER ACCURACY

Fan Control Accuracy

±10

% (max)

Fan Full-Scale Count

65535

(max)

Fan Counter Clock Frequency

kHz

Fan Count Update Frequency

1.0

FAN PWM OUTPUT

Frequency Accuracy

±10

% (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

UNITS

SYMBOL

PARAMETER

CONDITIONS

TYPICAL(1)

LIMITS(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

(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.

UNITS

SYMBOL

PARAMETER

CONDITIONS

TYPICAL(1)

LIMITS(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

µA (max)

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

(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).

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