EMC2101-R-ACZL-TR datasheet(4/56 Pages) MICROCHIP

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EMC2101

DS20006703A-page 4

 2022 Microchip Technology Inc. and its subsidiaries

External Temperature Monitor

Temperature Accuracy

—

±0.5

±1

°C

+60°C < TDIODE < +100°C

10°C < TA < +70°C

—±1

±3

°C

0°C < TDIODE < +125°C

Temperature

Resolution

—

0.125

—

°C

11-bit resolution

Conversion Time

External Channel

tCONV

—21

—

Diode Decoupling

Capacitor

CFILTER

—

2.2

Connected across External Diode

(2N3904)

Diode Decoupling

Capacitor

CFILTER

—

470

Connected across Substrate Transis-

tor (CPU diode)

Resistance Error Cor-

rection

RSERIES

—

100

—

Series resistance in DP and DN lines

TACH Measurement

TACH Accuracy

—

TACH valid

Fan Counter Clock

Frequency

——

—

kHz

Pulse Width Modulator Fan Driver

PWM Resolution

—

Steps

PWM Frequency

fPWM

—

For 64 steps, higher frequencies are

possible with reduced resolution

(see Appendix B: “Advanced PWM

Options”).

PWM Duty cycle

DPWM

0—

100

DAC Fan Driver

Output Voltage Drive

VDAC

0.2

VDD - 0.2

Current Load = ±1 mA

Total Unadjusted Error

TUE

—

Measured at 3/4 full scale

DAC Resolution

—

bits

Settling Time to within

tSETTLE

—

µs

Capacitive Load = 100 pF

Digital I/O pins (PWM, SMDATA, SMCLK, ALERT/TACH)

Output High Voltage

VOH

VDD - 0.3

—

8 mA Current Source

Output Low Voltage

VOL

—

0.3

8 mA Current Sink

Output Leakage

Current

ILEAK

—

µA

Device powered or unpowered

TA <+85°C

Pull-up voltage ≤ 3.6V

TABLE 1-1:

ELECTRICAL SPECIFICATIONS (CONTINUED)

Electrical Characteristics: Unless otherwise specified VDD = 3.0V to 3.6V, TA = 0°C to +85°C,

all typical values at TA = +27°C

Characteristic

Sym.

Min.

Typ.

Max.

Units

Conditions

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