HT67F488 datasheet(16/171 Pages) HOLTEK

16 / 171 page

Rev. 1.60

�ove��e� �� 016

HT67F488/HT67F489

TinyPowerTM A/D Flash MCU with LCD & EEPROM

A/D Converter Electrical Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min. Typ.

Max.

Unit

VDD

Conditions

AVDD

A/D Conve�te� Ope�ating Voltage

—

�.7

—

5.5

VADI

A/D Conve�te� Input Voltage

—

AVDD/VREF

VREF

A/D Conve�te� Refe�ence Voltage

—

�

—

AVDD

VBG

Refe�ence with �uffe� voltage

—

-3%

1.09

+3%

D�L

Diffe�ential �on-linea�ity

5V V

REF

=AVDD=VDD

tADCK=0.5μs

-4

—

LSB

I�L

Integ�al �on-linea�ity

5V V

REF

=AVDD=VDD

tADCK=0.5μs

-7

—

LSB

IADC

Additional Powe� Consu�ption if

A/D Conve�te� is used

3V �o load (tADCK=0.5μs)

—

0.9

1.35

�A

5V �o load (tADCK=0.5μs)

—

1.�

1.8

�A

IBG

Additional Powe� Consu�ption if

VBG Refe�ence with Buffe� is Used

—

�00

300

μA

tADCK

A/D Conve�te� Clock Pe�iod

—

0.5

—

μs

tADC

A/D Conve�sion Ti�e

(Include Sa�ple and Hold Ti�e)

— 1�-�it ADC

—

tADCK

tADS

A/D Conve�te� Sa�pling Ti�e

—

tADCK

tO��ST

A/D Conve�te� On-to-Sta�t Ti�e

—

�

—

μs

tBGS

VBG Tu�n on Sta�le Ti�e

—

�00

μs

LVD & LVR Electrical Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

VLVR

Low Voltage Reset Voltage

—

LVR Ena�le� �.10V option

-5% �.10 +5%

LVR Ena�le� �.55V option

-5% �.55 +5%

LVR Ena�le� 3.15V option

-5% 3.15 +5%

LVR Ena�le� 3.80V option

-5% 3.80 +5%

VLVD

Low Voltage Detecto� Voltage

—

LVDE�=1� VLVD=�.0V

-5%

�.0

+5%

LVDE�=1� VLVD=�.�V

-5%

�.�

+5%

LVDE�=1� VLVD=�.4V

-5%

�.4

+5%

LVDE�=1� VLVD=�.7V

-5%

�.7

+5%

LVDE�=1� VLVD=3.0V

-5%

3.0

+5%

LVDE�=1� VLVD=3.3V

-5%

3.3

+5%

LVDE�=1� VLVD=3.6V

-5%

3.6

+5%

LVDE�=1� VLVD=4.0V

-5%

4.0

+5%

ILVD

Additional Powe� Consu�ption

if LVD is used

3V LVD disable → LVD enable

(LVR ena�le)

—

μA

—

μA

tLVR

Low Voltage Width to Reset

—

1�0 �40

480

μs

tLVD

Low Voltage Width to Inte��upt

—

�0

μs

tLVDS

LVDO sta�le ti�e

— For LVR enable, LVD off→on

—

μs

HT67F488 Datasheet(PDF) 16 Page - Holtek Semiconductor Inc

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