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Specifications
Length:
2.84mm
Width:
1.44mm
Operating Temperature:
-30℃~+85℃
Interface:
I2C
Measurement Type:
Light Intensity
Voltage - Supply:
1.7V~3.6V
Mfr. Part #:
LTR-X140A
Package:
SMD-8P,2.8x1.4mm
Key Attributes
Model Number:
LTR-X140A
Product Description
Product Description
The LTR-X140A is an integrated low voltage I2C ambient light sensor (ALS) in a miniature 2.84mm x 1.44mm x 0.7mm chipled surface mount package. It offers a linear response across a wide dynamic range, making it suitable for applications with varying ambient brightness, from very low to very bright conditions. Its CMOS design and factory-set trimming ensure minimal sensor-to-sensor variation, simplifying manufacturing for end customers. The primary application is to control display panel brightness.
Product Attributes
- Brand: LITE-ON Technology Corp.
- Origin: Taiwan, R.O.C.
- Certifications: RoHS and Halogen free compliant
Technical Specifications
| Parameter | Min. | Typ. | Max. | Unit | Condition | |
| Supply Voltage | 1.7 | 3.6 | V | |||
| Interface signal input high | 1.5 | VDD | V | |||
| Interface signal input low | 0 | 0.4 | V | |||
| Operating Temperature | -30 | 85 | C | |||
| Supply Current | 315 | 400 | uA | 100 ms MRR, 100 ms integration time | ||
| Standby Current | 5 | uA | ||||
| Wakeup Time from Standby | 5 | 10 | ms | From Standby to Active mode where measurement can start | ||
| ALS Resolution | 16 | Bit | Programmable for 13, 14, 15, 16 Bit | |||
| ALS Lux accuracy | 10 | % | Across different light sources | |||
| Dark Level Count | 2 | Count | 0 Lux, 16-bit resolution, Gain64 | |||
| Integration time | 50 | 400 | ms | With 50/60Hz Rejection | ||
| 50/60 Hz flicker noise error | -5 | +5 | % | |||
| SCL clock frequency (Standard mode) | 100 | kHz | ||||
| SCL clock frequency (Fast mode) | 400 | kHz | ||||
| Bus free time between a STOP and START condition | 4.7 | - | 1.3 | us | Standard mode / Fast mode | |
| Hold time (repeated) START condition | 4.0 | - | 0.6 | us | Standard mode / Fast mode | |
| LOW period of the SCL clock | 4.7 | - | 1.3 | us | Standard mode / Fast mode | |
| HIGH period of the SCL clock | 4.0 | - | 0.6 | us | Standard mode / Fast mode | |
| Set-up time for a repeated START condition | 4.7 | - | 0.6 | us | Standard mode / Fast mode | |
| Set-up time for STOP condition | 4.0 | - | 0.6 | us | Standard mode / Fast mode | |
| Rise time of both SDA and SCL signals | - | 1000 | - | 300 | ns | Standard mode / Fast mode |
| Fall time of both SDA and SCL signals | - | 300 | - | 300 | ns | Standard mode / Fast mode |
| Data hold time | 0 | - | 0 | us | Standard mode / Fast mode | |
| Data setup time | 250 | - | 100 | ns | Standard mode / Fast mode |
2410121541_LITEON-LTR-X140A_C2938720.pdf
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