Datasheet MAX30101 (Maxim) - 3

MAX30101 High-Sensitivity Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Electrical Characteristics (continued)
(VDD = 1.8V, VLED+ = 5.0V, TA = +25°C, min/max are from 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 LED3_PA = LED4_PA = 0x24, LED_PW Green ADC Count = 0x01, (Note 2) GRNC 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 sensor Red LED 2 Counts DC Ambient Light Rejection under direct sunlight (100K lux), (Note 3) ALR ADC_RGE = 0x3, LED_PW = 0x03, SPO2_SR = 0x01 IR LED 2 Counts 1.7V < VDD < 2.0V, LED_PW = 0x00, SPO2_SR = 0x05 0.25 1 % of FS ADC Count—PSRR (VDD) PSRRVDD Frequency = DC to 100kHz, 100mVP-P 10 LSB 3.1V < VLED+ < 5.0V, LED1_PA = LED2_PA = 0x0C, LED_PW = 0x01, SPO2_SR = 0x05 ADC Count—PSRR 0.05 1 % of FS 4.5V < V (LED Driver Outputs) PSRRLED LED+ < 5.5V, TA = 25°C LED3_PA = LED4_PA = 0x24, LED_PW = 0x01, SPO2_SR = 0x05 Frequency = DC to 100kHz, 100mVP-P 10 LSB ADC Clock Frequency CLK 10.2 10.48 10.8 MHz LED_PW = 0x00 69 ADC Integration Time LED_PW = 0x01 118 (Note 3) INT µs LED_PW = 0x02 215 LED_PW = 0x03 411 Slot Timing (Timing Between LED_PW = 0x00 427 Sequential Channel Samples; LED_PW = 0x01 525 e.g., Red Pulse Rising Edge To IR INT µs LED_PW = 0x02 720 Pulse Rising Edge) LED_PW = 0x03 1107
COVER GLASS CHARACTERISTICS (Note 3)
Hydrolytic Resistance Class Per DIN ISO 719 HGB 1 www.maximintegrated.com Maxim Integrated │ 3