Datasheet MAX30102 (Maxim) - 3

MAX30102 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Electrical Characteristics (continued)
(VDD = 1.8V, VLED+ = 5.0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS PULSE OXIMETRY/HEART-RATE SENSOR CHARACTERISTICS
ADC Resolution 18 bits Red ADC Count LED1_PA = 0x0C, LED_PW = 0x01, (Note 2) REDC SPO2_SR = 0x05, 65536 Counts ADC_RGE = 0x00 IR ADC Count LED2_PA = 0x0C, LED_PW = 0x01, (Note 2) IRC SPO2_SR = 0x05 65536 Counts ADC_RGE = 0x00 LED1_PA = LED2_PA = 0x00, 30 128 Counts Dark Current Count LED_DCC LED_PW = 0x03, SPO2_SR = 0x01 ADC_RGE = 0x02 0.01 0.05 % of FS ADC counts with finger on Red sensor under direct sunlight LED 2 Counts DC Ambient Light Rejection ALR (100K lux), ADC_RGE = 0x3, LED_PW = 0x03, IR SPO2_SR = 0x01 LED 2 Counts 1.7V < VDD < 2.0V, LED_PW = 0x01, SPO2_SR = 0x05 0.25 1 % of ADC Count—PSRR (V FS DD) PSRRVDD Frequency = DC to 100kHz, 100mVP-P 10 LSB 3.1V < VLED+, < 5.0V, LED1_PA = ADC Count—PSRR LED2_PA = 0x0C, LED_PW = 0x01, 0.05 1 % of FS (LED Driver Outputs) PSRRLED SPO2_SR = 0x05 Frequency = DC to 100kHz, 100mVP-P 10 LSB ADC Clock Frequency CLK 10.32 10.48 10.64 MHz LED_PW = 0x00 69 LED_PW = 0x01 118 ADC Integration Time INT µs LED_PW = 0x02 215 LED_PW = 0x03 411 Slot Timing (Timing Between LED_PW = 0x00 427.1 Sequential Channel Samples; LED_PW = 0x01 524.7 e.g., Red Pulse Rising Edge To INT µs LED_PW = 0x02 720.0 IR Pulse Rising Edge) LED_PW = 0x03 1106.6
COVER GLASS CHARACTERISTICS (Note 3)
Hydrolytic Resistance Class Per DIN ISO 719 HGB 1 www.maximintegrated.com Maxim Integrated │ 3