HT85F2240 datasheet(22/147 Pages) HOLTEK

22 / 147 page

Rev. 1.10

�� of 147

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A/D Flash 8051 Core Low Pin Count MCU

HT85F2230/HT85F2240

10 ADC Electrical Characteristics

Ta=��°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

AVDD

A/D Converter Operating Vo�tage

—

�.7

—

�.�

VADI

A/D Converter Inp�t Vo�tage

—

VREF avai�ab�e

—

VREF

—

VREF not avai�ab�e

—

AVDD

VREF

A/D Converter Reference Vo�tage

—

�

—

AVDD

DNL

Differentia� Non-�inearit�

—

AVDD=�V

VREF=AVDD

tADCK=0.�μs

-�

—

+�

LSB

INL

Integra� Non-�inearit�

—

AVDD=�V

VREF=AVDD

tADCK =0.�μs

-4

—

LSB

IADC

Additiona� Power Cons�mption if

A/D Converter is �sed

�V No �oad�

tADCK=0.5μs

—

1.00

1.40

�V

—

1.�0

�.00

tADCK

A/D Converter C�ock Period

—

0.�

—

μs

tADC

A/D Conversion Time (Inc��de

Samp�e and Ho�d Time)

—

1� bit ADC

—

tADCK

tADS

A/D Converter Samp�ing Time

—

tADCK

tON�ST

ADC on to ADC start

—

�

—

μs

HT85F2240 Datasheet(PDF) 22 Page - Holtek Semiconductor Inc

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