HT45R2K-C datasheet(13/105 Pages) HOLTEK

13 / 105 page

Rev. 1.40

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Rev. 1.40

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HT45R2K-C/-B/-A

Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale

HT45R2K-C/-B/-A

Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale

Operational Amplifier Electrical Characteristics

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

DC Electrical Characteristics

VDD

Supply Voltage

—

�.�

—

�.�

ICC

Supply Cu��ent Pe�

Signal Amplifier

�V

No load

1�0

360

�00

μA

OP0, OP2

Slew Rate at Unity Gain

RL= 100KΩ, CL= 100pF

7.�

—

V/μs

GBW

Gain Bandwidt� P�odu�t

RL= 100KΩ, CL= 100pF

—

�

�Hz

OP1

Slew Rate at Unity Gain

RL= 100KΩ, CL= 100pF

7.�

—

V/μs

GBW

Gain Bandwidt� P�odu�t

RL= 100KΩ, CL= 100pF

—

�

�Hz

Instrumentation Amplifier Electrical Characteristics

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Condition

VDD

Supply Voltage

—

�.�

—

�.�

I��

Supply Cu��ent

�V

Io= 0A

—

1.�

—

Slew Rate at Unity Gain

RL= 100KΩ, CL= 100pF

7.�

—

V/µs

GBW

Gain Bandwidt� P�odu�t

RL= 100 KΩ, CL= 100pF

—

�

�Hz

GER

Gain E��o�

—

-10%

—

10%

VOS

Input Offset Voltage

—

-1�

—

1�

Power-on Reset Characteristics

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VPOR

VDD Sta�t Voltage to Ensu�e

Powe�-on Reset

—

100

RRVDD

VDD Rising Rate to Ensu�e

Powe�-on Reset

—

0.03�

—

V/ms

VDCPOR_�AX

DC POR �aximum Voltage

—

0.6

—

�.�

tPOR1

�inimum Time fo� VDD

Stays at VPOR to Ensu�e

Powe�-on Reset

— Wit�out 0.1

F between

VDD and VSS

�

—

μs

tPOR�

�inimum Time fo� VDD

Stays at VPOR to Ensu�e

Powe�-on Reset

— Wit� 0.1

F between VDD

and VSS

—

μs

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