Changsha Purple Horn E-Commerce Co., Ltd.
| Description | Ambient Light, IR, UV Sensors RoHS |
| Mfr. Part # | TMD37821 |
| Model Number | TMD37821 |
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Product Specification
| Description | Ambient Light, IR, UV Sensors RoHS | Mfr. Part # | TMD37821 |
| Model Number | TMD37821 |
The TMD3782x is a digital color light sensor device offering integrated color temperature measurement, ambient light sensing (ALS), and proximity detection with background light rejection. It excels in detecting light intensity across various conditions and through attenuating materials like dark glass. The proximity feature provides a large dynamic range for accurate distance detection, crucial for applications like mobile phones. Its internal state machine optimizes power consumption by entering low-power states between measurements. The color sensing capabilities are ideal for backlight control, solid-state lighting, and color temperature detection. An integrated IR blocking filter enhances its performance as an ambient light sensor, color temperature monitor, and general-purpose color sensor.
| Parameter | Min | Typ | Max | Units | Conditions |
| Supply Voltage, VDD | 2.7 | 3 | 3.3 | V | |
| Operating free-air temperature | -30 | 85 | C | (1) | |
| Supply current, Active - LDR pulses off | 235 | 330 | A | ||
| Supply current, Wait state | 65 | A | |||
| Supply current, Sleep state | 2.5 | 10 | A | no IC activity | |
| Output low voltage, INT, SDA | 0 | 0.4 | V | 3 mA sink current | |
| Output low voltage, INT, SDA | 0 | 0.6 | V | 6 mA sink current | |
| Leakage current, SDA, SCL, INT pins | -5 | 5 | A | ||
| Leakage current, LDR pin | -10 | 10 | A | ||
| SCL, SDA input high voltage | 0.7 VDD | 1.25 | V | TMD37821 TMD37823 | |
| SCL, SDA input low voltage | 0.3 VDD | 0.54 | V | TMD37821 TMD37823 | |
| Irradiance responsivity, Clear Channel (D = 465 nm) | 9.4 | 11.8 | 14.2 | count/ (W/cm2) | (1) |
| Irradiance responsivity, Clear Channel (D = 525 nm) | 12.5 | 15.6 | 18.7 | count/ (W/cm2) | (2) |
| Irradiance responsivity, Clear Channel (D = 615 nm) | 14.6 | 18.2 | 21.8 | count/ (W/cm2) | (3) |
| Color ADC count value ratio: Color/Clear (D = 465 nm) | 10% | 42% | (1) | ||
| Color ADC count value ratio: Color/Clear (D = 525 nm) | 60% | 85% | (2) | ||
| Color ADC count value ratio: Color/Clear (D = 615 nm) | 80% | 110% | (3) |
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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