MAX30102芯片资料_MAX30102封装

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General Description

The MAX30102 is an integrated pulse oximetry and

heart-rate monitor module. It includes internal LEDs,

photodetectors, optical elements, and low-noise electronics

with ambient light rejection. The MAX30102 provides a

complete system solution to ease the design-in process

for mobile and wearable devices.

The MAX30102 operates on a single 1.8V power supply

and a separate 5.0V power supply for the internal LEDs.

Communication is through a standard I

C-compatible

interface. The module can be shut down through software

with zero standby current, allowing the power rails to

remain powered at all times.

Applications

● Wearable Devices

● Fitness Assistant Devices

Benets and Features

● Heart-Rate Monitor and Pulse Oximeter Sensor in

LED Reflective Solution

● Tiny 5.6mm x 3.3mm x 1.55mm 14-Pin Optical Module

• Integrated Cover Glass for Optimal, Robust

Performance

● Ultra-Low Power Operation for Mobile Devices

• Programmable Sample Rate and LED Current for

Power Savings

• Low-Power Heart-Rate Monitor (< 1mW)

• Ultra-Low Shutdown Current (0.7µA, typ)

● Fast Data Output Capability

• High Sample Rates

● Robust Motion Artifact Resilience

• High SNR

● -40°C to +85°C Operating Temperature Range

Ordering Information appears at end of data sheet.

19-7740; Rev 0; 9/15

PHOTO

DIODE

LED DRIVERS

RED/IR LED

PACKAGING

HUMAN

SUBJECT

ELECTRICAL OPTICAL

AMBIENT

LIGHT

18-BIT

CURRENT ADC

AMBIENT LIGHT

CANCELLATION

DIGITAL NOISE

CANCELLATION

DATA

FIFO

HOST (AP)

DRIVER

HARDWARE FRAMEWORK

APPLICATIONS

ACRYLIC

(COVER

GLASS)

MAX30102

MAX30102 High-Sensitivity Pulse Oximeter and

Heart-Rate Sensor for Wearable Health

System Diagram

to GND .........................................................-0.3V to +2.2V

GND to PGND ......................................................-0.3V to +0.3V

X_DRV, V

LED+

to PGND ...................................... -0.3V to +6.0V

All Other Pins to GND ..........................................-0.3V to +6.0V

Output Short-Circuit Current Duration ....................... Continuous

Continuous Input Current into Any Terminal ....................±20mA

ESD, Human Body Model (HBM) ....................................... 2.5kV

Latchup Immunity ...........................................................±250mA

Continuous Power Dissipation (T

= +70°C)

OESIP (derate 5.5mW/°C above +70°C) ....................440mW

Operating Temperature Range .......................... -40°C to +85°C

Junction Temperature ........................................................ +90°C

Soldering Temperature (reflow) ...................................... +260°C

Storage Temperature Range ............................ -40°C to +105°C

OESIP

Junction-to-Ambient Thermal Resistance (θ

) ........180°C/W Junction-to-Case Thermal Resistance (θ

) .................150°C/W

(Note 1)

= 1.8V, V

IR_LED+

= V

R_LED+

= 5.0V, T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C) (Note 2)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

POWER SUPPLY

Power-Supply Voltage V

Guaranteed by RED and IR count

tolerance

1.7 1.8 2.0 V

LED Supply Voltage

R_LED+ or IR_LED+ to PGND

LED+

Guaranteed by PSRR of LED driver

(R_LED+ and IR_LED+ only)

3.1 3.3 5.25 V

Supply Current I

SpO

and HR mode, PW = 215µs,

50sps

600 1200

µA

IR only mode, PW = 215µS, 50sps 600 1200

Supply Current in Shutdown I

SHDN

= +25°C, MODE = 0x80 0.7 10 µA

PULSE OXIMETRY/HEART-RATE SENSOR CHARACTERISTICS

ADC Resolution 18 bits

Red ADC Count

(Note 3)

REDC

RED_PA = 0x0C, LED_PW = 0x01,

SPO2_SR = 0x05,

ADC_RGE = 0x00, T

= +25°C

55536 65536 75536 Counts

IR ADC Count

(Note 3)

IRC

IR_PA = 0x0C, LED_PW = 0x01,

SPO2_SR = 0x05

ADC_RGE = 0x00, T

= +25°C

55536 65536 75536 Counts

www.maximintegrated.com

Maxim Integrated

│

MAX30102 High-Sensitivity Pulse Oximeter and

Heart-Rate Sensor for Wearable Health

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer

board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.

Absolute Maximum Ratings

Package Thermal Characteristics

Electrical Characteristics

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2019-05-23

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