MAX30002 datasheet(5/44 Pages) MAXIM

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(VDVDD = VAVDD = +1.1V to +2.0V, VOVDD = +1.65V to +3.6V, fFCLK = 32.768kHz, LN_BIOZ = 1, TA = TMIN to TMAX, unless otherwise

noted. Typical values are at VDVDD = VAVDD = +1.8V, VOVDD = +2.5V, TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Resistive Load Nominal Value

RVAL

Programmable, see Register Map

0.625 to 5.0

kΩ

Resistive Load Modulation Value

RMOD

Programmable, see Register Map

15 to 2960

mΩ

Resistive Load Modulation

Frequency

FMOD

Programmable, see Register Map

0.625 to 4.0

INTERNAL REFERENCE/COMMON-MODE

VBG Output Voltage

VBG

0.650

VBG Output Impedance

100

kΩ

External VBG Compensation

Capacitor

CBG

µF

VREF Output Voltage

VREF

TA = +25ºC

0.995

1.000

1.005

VREF Temperature Coefficient

TCREF TA = 0ºC to +70ºC

ppm/ºC

VREF Buffer Line Regulation

330

µV/V

VREF Buffer Load Regulation

ILOAD = 0 to 100µA

µV/µA

External VREF Compensation

Capacitor

CREF

µF

VCM Output Voltage

VCM

0.650

External VCM Compensation

Capacitor

CCM

µF

DIGITAL INPUTS (SDI, SCLK, CSB, FCLK)

Input-Voltage High

VIH

0.7 x VOVDD

Input-Voltage Low

VIL

0.3 x VOVDD

Input Hysteresis

VHYS

0.05 x VOVDD

Input Capacitance

CIN

Input Current

IIN

-1

µA

DIGITAL OUTPUTS (SDO, INTB, INT2B)

Output Voltage High

VOH

ISOURCE = 1mA

VOVDD - 0.4

Output Voltage Low

VOL

ISINK = 1mA

0.4

Three-State Leakage Current

-1

µA

Three-State Output

Capacitance

Electrical Characteristics (continued)

MAX30002

Ultra-Low-Power, Single-Channel Integrated

Bioimpedance (BioZ) AFE

www.maximintegrated.com

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