Datasheet NOA1212 (ON Semiconductor) - 4
| Manufacturer | ON Semiconductor |
| Description | Ambient Light Sensor with Dark Current Compensation |
| Pages / Page | 9 / 4 — NOA1212. TYPICAL CHARACTERISTICS. Figure 3. Spectral Response … |
| File Format / Size | PDF / 171 Kb |
| Document Language | English |
NOA1212. TYPICAL CHARACTERISTICS. Figure 3. Spectral Response (Normalized). Figure 4. Light Source Dependency
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NOA1212 TYPICAL CHARACTERISTICS
1.0 ALS Fluorescent 0.9 Human Eye (5000K) 0.8 0.7 White LED 0.6 (5600K) 0.5 Fluorescent 0.4 (2700K) 0.3 0.2 Incandescent OUTPUT CURRENT (Normalized) 0.1 (2850K) 0200 300 400 500 600 700 800 900 1000 0 0.5 1 1.5 2 WAVELENGTH (nm) Ratio
Figure 3. Spectral Response (Normalized) Figure 4. Light Source Dependency (Normalized to Fluorescent Light)
10000 10000 VDD = 3.3 V 1000 No Load 1 kW Load 100 mA) 10 kW Load mA) 1000 100 kW Load 10 1 100 0.1 0.01 10 OUTPUT CURRENT ( 0.001 High Gain OUTPUT CURRENT ( Medium Gain 0.0001 Low Gain VDD = 3.3 V 0.00001 1 0.01 0.1 1 10 100 1000 10000 100000 1000000 1 10 100 1000 10000 100000 Ev (lux) Ev (lux)
Figure 5. Output Current vs. Ev Figure 6. Output Current vs. Ev (High Gain Mode)
600 60 White LED (5600K) White LED (5600K) 500 50 mA) mA) 400 40 300 30 200 20 OUTPUT CURRENT ( OUTPUT CURRENT ( 100 10 0 0 0 200 400 600 800 1000 0 20 40 60 80 100 Ev (lux) Ev (lux)
Figure 7. Output Current vs. Ev, 0−1000 lux Figure 8. Output Current vs. Ev, 0−100 lux (High Gain Mode) (High Gain Mode) www.onsemi.com 4
1.0 ALS Fluorescent 0.9 Human Eye (5000K) 0.8 0.7 White LED 0.6 (5600K) 0.5 Fluorescent 0.4 (2700K) 0.3 0.2 Incandescent OUTPUT CURRENT (Normalized) 0.1 (2850K) 0200 300 400 500 600 700 800 900 1000 0 0.5 1 1.5 2 WAVELENGTH (nm) Ratio
Figure 3. Spectral Response (Normalized) Figure 4. Light Source Dependency (Normalized to Fluorescent Light)
10000 10000 VDD = 3.3 V 1000 No Load 1 kW Load 100 mA) 10 kW Load mA) 1000 100 kW Load 10 1 100 0.1 0.01 10 OUTPUT CURRENT ( 0.001 High Gain OUTPUT CURRENT ( Medium Gain 0.0001 Low Gain VDD = 3.3 V 0.00001 1 0.01 0.1 1 10 100 1000 10000 100000 1000000 1 10 100 1000 10000 100000 Ev (lux) Ev (lux)
Figure 5. Output Current vs. Ev Figure 6. Output Current vs. Ev (High Gain Mode)
600 60 White LED (5600K) White LED (5600K) 500 50 mA) mA) 400 40 300 30 200 20 OUTPUT CURRENT ( OUTPUT CURRENT ( 100 10 0 0 0 200 400 600 800 1000 0 20 40 60 80 100 Ev (lux) Ev (lux)
Figure 7. Output Current vs. Ev, 0−1000 lux Figure 8. Output Current vs. Ev, 0−100 lux (High Gain Mode) (High Gain Mode) www.onsemi.com 4
