HT45F3230 datasheet(13/148 Pages) HOLTEK

13 / 148 page

Rev. 1.00

January 13, 2017

Rev. 1.00

January 13, 2017

HT45F3230

IR Sensing/Motor Driving Flash MCU

HT45F3230

IR Sensing/Motor Driving Flash MCU

Internal Reference Voltage Electrical Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VBG

Bandgap Reference Voltage

—

tAD = fSYS/8

-5%

1.04

+5%

IBG

Additional Current for Bandgap

Reference Enable

—

LVR disable, LVD disable

—

200

300

μA

Note:TheBandgapreferencevoltageisusedastheA/Dconverterinternalsignalinput.

A/D Converter Electrical Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min. Typ.

Max.

Unit

VDD

Conditions

AVDD

A/D Converter Operating Voltage

—

VREF=AVDD

2.7

—

5.5

VAD

A/D Converter Input Voltage

—

— AVDD/VREF

VREF

A/D Converter Reference Voltage

—

2.0

—

AVDD

—

2.0

—

AVDD

DNL

Differential Non-linearity

VREF=AVDD=VDD,

tAD=0.5μs

-4

—

LSB

VREF=AVDD=VDD,

tAD=10μs

INL

Integral Non-linearity

VREF=AVDD=VDD,

tAD=0.5μs

-4

—

LSB

VREF=AVDD=VDD,

tAD=10μs

-4

—

IADC

Additional Current for A/D Converter Enable

No load, tAD=0.5μs

—

1.0

2.0

—

1.5

3.0

tAD

A/D Clock Period

2.7V~5.5V

—

0.5

—

μs

tON2ST

A/D Converter On-to-Start Time

2.7V~5.5V

—

μs

tADS

A/D Sampling Time

2.7V~5.5V

—

tAD

tADC

A/D Conversion Time

2.7V~5.5V

—

tAD

Note:A/DconversiontimetADC=n×(A/Dconverterbits)+4×(SamplingTime),EveryconversionneedsanA/D

converterclockperiodtAD.

HT45F3230 Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

HT45F3230 Datasheet(HTML) 13 Page - Holtek Semiconductor Inc

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