HT45F65 datasheet(21/231 Pages) HOLTEK

21 / 231 page

Rev. 1.60

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Rev. 1.60

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HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

ADC & Bandgap Electrical Characteristics

Ta= 25˚C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

AVDD

Analog ope�ating voltage

—

�.�

—

�.�

VADI

AD Input Voltage

—

VREF

ADC Input Refe�ence Voltage

Range

—

�.0

— AVDD

VBG

Bandgap Refe�ence With Buffe�

Voltage

—

AVDD=3V

-3% �.0 +3%

tBG

Temperature coefficient of Build-in

Band gap �efe�ence voltage

—

AVDD=3V� T=10~�0°C

-30

— +170 pp�/

°C

IBG

Bandgap Refe�ence With Buffe�

D�iving Cu��ent

—

VBG is used� LVR disa�le�

LVDE�=0� BGOS[1:0]=10�

BGE�=1

—

�00 �00

μA

IBG1

Bandgap Refe�ence With Buffe�

D�iving Cu��ent

—

VBG is used� LVR disa�le�

LVDE�=0� BGOS[1:0]=00 o� 01

BGE�=1

—

��0 6�0

μA

D�L

Diffe�ential �on-linea�ity

tAD=0.�μs

-3

—

LSB

I�L

Integ�al �on-linea�ity

tAD=0.�μs

-�

—

+�

LSB

IADC

Additional Powe� Consu�ption if

A/D Conve�te� is used

�o load� tAD=0.5μs

—

1.0

�.0

�A

�V

�o load� tAD=0.5μs

—

1.�

3.0

�A

tBGS

VBG Tu�n on Sta�le Ti�e

—

�s

tAD

A/D Clock Pe�iod

�.7~�.�V

—

0.�

—

100

μs

tADC

A/D Conve�sion Ti�e

�.7~�.�V 1� �it ADC

—

tAD

tO��ST

ADC on to ADC sta�t

�.7~�.�V

—

�

—

μs

Note:ADCconversiontime(tADC)=n(bitsADC)+4(samplingtime),theconversionforeachbitneedsoneADC

clock(tAD).

Power-on Reset Characteristics

Ta= 25˚C

Symbol

Parameter

Test Conditions

Min.

Typ. Max. Unit

VDD

Conditions

VPOR

VDD Sta�t Voltage to Ensu�e Powe�-on Reset

—

100

�V

RRVDD

VDD Raising Rate to Ensu�e Powe�-on Reset

—

0.03�

—

V/�s

tPOR

Mini�u� Ti�e fo� VDD Stays at VPOR to

Ensu�e Powe�-on Reset

—

�s

Ti me

V DD

V PO R

RR VD D

t PO R

HT45F65 Datasheet(PDF) 21 Page - Holtek Semiconductor Inc

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