VCNL3020 Datasheet, PDF (3/13 Pages) Vishay Siliconix – Fully Integrated Proximity Sensor with Infrared Emitter, I2C Interface, and Interrupt Function

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VCNL3020
Vishay Semiconductors
BASIC CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
2.4
2.2
2.0
V_DD = 3.6 V
V_DD = 3.5 V
1.8
V_DD = 3.3 V
V_DD = 3.1 V
1.6
1.4
V_DD = 2.5 V
V_DD = 2.7 V
V_DD = 2.9 V
1.2
1.0
- 50 - 30 - 10 10 30 50 70 90 110
22301
T_amb - Ambient Temperature (°C)
Fig. 1 - Idle Current vs. Ambient Temperature
250
V_IRED = 2.5 V
200
150
200 mA
180 mA
160 mA
140 mA
120 mA
100
100 mA
80 mA
60 mA
50
40 mA
0
- 60 - 20
20
20 mA
60
100
140
22304
T_amb - Ambient Temperature (°C)
Fig. 4 - Forward Current vs. Temperature
2.4
2.2
100 °C
2.0
1.8
1.6
1.4
1.2
1.0
2.4
22302
80 °C
55 °C
25 °C
- 10 °C
- 40 °C
2.6 2.8 3.0 3.2 3.4 3.6 3.8
V_DD - Supply Voltage (V)
Fig. 2 - Idle Current vs. V_DD
100 000
10 000
LED current 200 mA
1000
LED current 100 mA
100
LED current 20 mA
10
Media: Kodak gray card
Mod. frequency = 390 kHz
1
0.1
1
10
100
Distance to Reflecting Card (mm)
Fig. 3 - Proximity Value vs. Distance
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
750
22305
I_F = 100 mA
800 850 900 950 1000 1050
λ - Wavelength (nm)
Fig. 5 - Relative Radiant Intensity vs. Wavelength
0°
20°
1.0
0.9
40°
0.8
0.7
60°
0.6
80°
22306
0.5 0.4 0.3 0.2 0.1 0
Fig. 6 - Relative Radiant Intensity vs. Angular Displacement
Rev. 1.0, 25-Jun-12
3
Document Number: 84150
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