Changsha Purple Horn E-Commerce Co., Ltd.
| Operating Temperature | -40℃~+85℃ |
| Interface | I2C |
| Measurement Type | Light Intensity |
| Voltage - Supply | 1.7V~3.6V |
| Photoperceptivity | 157klx |
| Description | I2C 1.7V~3.6V SMD Ambient Light, IR, UV Sensors RoHS |
| Mfr. Part # | LTR-308ALS-01 |
| Package | SMD |
| Model Number | LTR-308ALS-01 |
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Product Specification
| Operating Temperature | -40℃~+85℃ | Interface | I2C |
| Measurement Type | Light Intensity | Voltage - Supply | 1.7V~3.6V |
| Photoperceptivity | 157klx | Description | I2C 1.7V~3.6V SMD Ambient Light, IR, UV Sensors RoHS |
| Mfr. Part # | LTR-308ALS-01 | Package | SMD |
| Model Number | LTR-308ALS-01 |
The LTR-308ALS-01 is an integrated, low-voltage I2C ambient light sensor (ALS) housed in a miniature 2x2mm chipled surface mount package. It offers a linear response across a wide dynamic range, suitable for both low and bright ambient light conditions. The sensor features a programmable interrupt with hysteresis, eliminating the need for constant polling and improving system efficiency. Its CMOS design and factory-set trimming ensure minimal variations between sensors, simplifying manufacturing. This sensor is designed to control display panel brightness in mobile, computing, and consumer devices.
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Condition |
| Supply Voltage | VDD | 1.7 | 3.6 | V | ||
| Interface signal input high | VI2Chigh | 1.5 | VDD | V | ||
| Interface signal input low | VI2Clow | 0 | 0.4 | V | ||
| Operating Temperature | Tope | -40 | 85 | C | ||
| Active Supply Current | 110 | uA | Max. duty cycle, Vdd=1.8V, Gain 3x | |||
| Standby Current | 1 | uA | ||||
| Shutdown Mode Wakeup Time from Standby | t | 5 | 10 | ms | From Standby to Active mode | |
| ALS Resolution | 16 | 20 | Bit | Programmable for 16, 17, 18, 19, 20 Bit | ||
| ALS Lux accuracy | -10 | 10 | % | White LED, 5000K, Ta = 25 | ||
| Dark Level Count | 0 | 5 | Count | 0 Lux, 18-bit resolution | ||
| Integration time | 50 | 400 | ms | With 50/60Hz Rejection | ||
| 50/60 Hz flicker noise error | -5 | +5 | % | |||
| SCL clock frequency | SCL f | 1 | 400 | kHz | ||
| Bus free time between a STOP and START condition | t BUF | 1.3 | us | |||
| Hold time (repeated) START condition. After this period, the first clock pulse is generated | t STA HD | 0.6 | us | |||
| LOW period of the SCL clock | t LOW | 1.3 | us | |||
| HIGH period of the SCL clock | t HIGH | 0.6 | us | |||
| Set-up time for a repeated START condition | t STA SU | 0.6 | us | |||
| Set-up time for STOP condition | t STO SU | 0.6 | us | |||
| Rise time of both SDA and SCL signals | rt | 30 | 300 | ns | ||
| Fall time of both SDA and SCL signals | ft | 30 | 300 | ns | ||
| Data hold time | t DAT HD | 0.3 | 0.9 | us | ||
| Data setup time | t DAT SU | 100 | ns | |||
| Pulse width of spikes which must be suppressed by the input filter | t SP | 0 | 50 | ns | ||
| I2C Slave Address (Default) | 0x53 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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