| Electrical Specifications |
| Power Supply | VDD | | 2.1 | 3.3 | 3.6 | V |
| Operating Temperature (F grade) | TA | 0 to 70 C | 0 | | 70 | C |
| Operating Temperature (G grade) | TA | 40 to 85 C | 40 | | 85 | C |
| Input Voltage High | VIH | CS, SCL, SDA pins | 0.7xVDD | | | V |
| Input Voltage Low | VIL | CS, SCL, SDA pins | | | 0.3xVDD | V |
| Input Voltage Range | VIN | SCL, SDA pins with respect to GND | 0.0 | | VDD | V |
| Input Leakage | IIL | CS, CEXT pin with respect to GND | | | 1 | A |
| Output Voltage Low | VOL | SDA pin; IOL = 8.5 mA; VDD = 3.3 V | | | 0.6 | V |
| Output Voltage Low | VOL | SDA pin; IOL = 3.5 mA; VDD = 2.1 V | | | 0.4 | V |
| Power Consumption |
| Power Consumption (RH conversion) | IDD | RH conversion in progress | | 240 | 560 | A |
| Power Consumption (Temp conversion) | IDD | Temperature conversion in progress | | 320 | 565 | A |
| Power Consumption (Average) | IDD | Average for 1 temperature and 1 RH conversion / minute | | | | A |
| Power Consumption (Low Power Mode) | IDD | CS < VIL; no conversion in progress; VDD = 3.3 V; SDA = SCL VIH | | | 150 | A |
| Power Consumption (Wake Up) | IDD | CS < VIL; no conversion in progress; VDD = 3.3 V; SDA = SCL VIH;
HEAT = 1 | | | 24 | mA |
| Conversion Time (14-bit temp; 12-bit RH) | tCONV | (Fast = 0) | 35 | | | ms |
| Conversion Time (13-bit temp; 11-bit RH) | tCONV | (Fast = 1) | 18 | | | ms |
| Wake Up Time | tCS | From CS < VIL to ready for a temp/RH conversion | 10 | | 21 | ms |
| Power Up Time | tPU | From VDD 2.1V to ready for a temp/RH conversion | 10 | | 15 | ms |
| I2C Interface Specifications |
| SCLK Frequency | fSCL | | | | 400 | kHz |
| SCL high time | tSKH | | 0.6 | | | s |
| SCL low time | tSKL | | 1.3 | | | s |
| Start hold time | tSTH | | 0.6 | | | s |
| Start setup time | tSTS | | 0.6 | | | s |
| Stop setup time | tSPS | Between Stop and Start | 0.6 | | | s |
| Bus free time | tBUF | | 1.3 | | | s |
| SDA setup time | tDS | | | | 100 | ns |
| SDA hold time | tDH | From SCL low to data valid | | | 100 | ns |
| SDA valid time | tVD;DAT | From SCL low to data valid | | 0.9 | | s |
| SDA acknowledge valid time | tVD;ACK | | | 0.9 | | s |
| Humidity Sensor Accuracy |
| Relative Humidity Accuracy | | 4.5 % RH (maximum @ 080% RH) | | | 4.5 | % RH |
| Temperature Sensor Accuracy |
| Temperature Accuracy | | 0.5 C (typical) | | 0.5 | | C |
| Temperature Accuracy | | 1 C (maximum @ 0 to 70 C) | | | 1 | C |
| Operating Range |
| Operating Humidity Range | | 0 to 100% RH | 0 | | 100 | % RH |
| Operating Temperature Range (GM) | | 40 to +85 C | 40 | | 85 | C |
| Operating Temperature Range (FM) | | 0 to +70 C | 0 | | 70 | C |