MAX30102 High-Sensitivity Pulse Oximeter and
Heart-Rate Sensor for Wearable Health
Absolute Maximum Ratings
VDD to GND .........................................................-0.3V to +2.2V
GND to PGND ......................................................-0.3V to +0.3V
X_DRV, VLED+ 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
Package Thermal Characteristics (Note
1)
OESIP
Junction-to-Ambient Thermal Resistance (θJA) ........180°C/W
Continuous Power Dissipation (TA = +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
Junction-to-Case Thermal Resistance (θJC) .................150°C/W
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.
Electrical Characteristics
(VDD = 1.8V, VIR_LED+ = VR_LED+ = 5.0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C) (Note 2)
参数 象征 条件 最小值 类型
最大
值
单位
电力供应
供电电压
VDD
有红色和 IR 的保证。
1.7 1.8 2.0 V
LED 电源电压
R_LED+或 IR_LED+到 PGND
VLED+
由 LED 驱动器的 PSRR 保证。
(仅 R_LED +和 IR_LED +)
3.1 3.3 5.25 V
电源电流
IDD
动脉血氧饱和度和人力资源模
式,PWµs = 215,
50 sps
600 1200
µA
只红外模式、PW = 215µs 50 sps
600 1200
在关闭电源电流
ISHDN
TA = +25°C, MODE = 0x80 0.7 10 µA
脉搏血氧测量/心率传感器特性
ADC 的分辨率
18 bits
红色的 ADC 计数
(注 3)
REDC
RED_PA = 0x0C, LED_PW = 0x01,
SPO2_SR = 0x05,
ADC_RGE = 0x00, TA = +25°C
55536 65536 75536 Counts
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