HT45F75 datasheet(16/190 Pages) HOLTEK

16 / 190 page

Rev. 1.10

1�

De�e��e� 1�� 01�

Rev. 1.10

De�e��e� 1�� 01�

HT45F75

Body Fat Scale Flash MCU

HT45F75

Body Fat Scale Flash MCU

Symbol

Parameter

Test Conditions

Min. Typ.

Max.

Unit

VDD

Conditions

ADC & ADC internal reference Voltage (Delta-sigma ADC)

AVDD

Supply voltage fo� VCM� ADC� PGA

—

�.�

—

3.3

ICM+IPGIA

+IADC

Ope�ating �u��ent fo� VCM� PGA and

ADC

—

VCM ena�le�

VRBUFP=1 and

VRBUFN=1

—

900

μA

VCM ena�le�

VRBUFP=0 and

VRBUFN=0

—

�00

750

VCM disa�le�

VRBUFP=0 and

VRBUFN=0

—

500

�50

IADSTB

Stand�y �u��ent

—

Syste� HALT�

no load

—

μA

RSAD

ADC �esolution

—

�0

Bit

NNFC

Noise F�ee Code

—

PGA Gain=1�8

Data Rate=10Hz

—

15.�

—

Bit

ENOB

Effe�tive nu��e� of �its

—

PGA Gain=1�8

Data Rate=10Hz

—

18.1

—

Bit

fAD

A/D Clo�k f�equen�y (fMCLK)

—

�.8

—

MHz

fADO

ADC Output Data Rate

—

fMCLK=�.8MHz

FLMS[�:0]=000�

ADC CLK=fMCLK/30

—

��5

fMCLK=�.8MHz

FLMS[�:0]=010�

ADC CLK=fMCLK/1�

1�

—

15�3

VREF+

Refe�en�e Input Voltage

—

VREFS=1�

VRBUFP=0 and

VRBUFN=0

0.9� 1.�5

�.�

VREF-

1.0

VREF

—

VREF=(VREF+) - (VREF-)

0.9� 1.�5

1.��

PGA

VDI+� VDI- A�solute/�o��on input voltage

—

0.�

— AVDD-1.1

ΔDI±

Diffe�ential input voltage �ange

—

Gain=PGS×AGS

ΔVR-

/Gain —

ΔVR+

/Gain

TCPGA

Gain te�pe�atu�e d�ift

—

Ta=-�0°C~85°C

—

Pp�/°C

Temperature sensor

TCS

Senso� te�pe�atu�e d�ift

—

Ta=-�0°C~85°C

ΔVR=1.�5V�

VGS[1:0]=00

(Gain=1)�

VRBUFP=0 and

VRBUFN=0

—

175

—

μV/°C

HT45F75 Datasheet(PDF) 16 Page - Holtek Semiconductor Inc

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