TSL2520 datasheet(6/69 Pages) OSRAM

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Datasheet, Public

Page 5

[v3-00] 2022-Dec-20

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TSL2520 − Optical Characteristics

All limits are guaranteed. The parameters with min and max

values are guaranteed with production tests or SQC (Statistical

Quality Control) methods. Device parameters are guaranteed

with VDD = 1.8 V and TA = 25°C unless otherwise noted.

Figure 6:

ALS Characteristics of TSL2520, ALS Gain = 128x, Integration Time = 10ms (unless otherwise noted)

Note(s):

1. The typical 3-sigma distribution shows less than 1 count. For this measurement, each modulator is always connected to one

photodiode whereas the photodiodes are sequentially multiplexed.

2. The gain ratios are calculated relative to the response with ALS gain = 128x.

3. The White LED is an InGaN light-emitting diode with integrated phosphor and the following characteristic: correlated color

temperature = 2700K.

4. ADC noise is calculated as the standard deviation relative to full scale. It is lab characterization from limited samples.

5. The IR Emitter shall be an AlGaAs light-emitting diode with a peak wavelength of λP = 940nm.

Parameter

Conditions

Min

Typ

Max

Unit

Dark ADC count value (1)

Ee = 0μW/cm

ALS gain: 512x

Integration time: 100ms

counts

ALS gain ratios (2)

0.5x

1/270.78

1/249.13

1/230.68

1/133.17

1/123.85

1/115.74

1/66.99

1/62.97

1/59.41

1/33.39

1/31.72

1/30.21

1/16.17

1/15.53

1/14.93

16x

1/8.30

1/7.97

1/7.66

32x

1/4.15

1/3.99

1/3.83

64x

1/2.09

1/2.01

1/1.93

256x

1.78

1.93

2.07

512x

3.42

3.80

4.18

1024x

6.16

7.42

8.68

2048x

10.26

14.06

17.86

4096x

11.41

25.35

39.29

Clear channel irradiance

responsivity

White LED, 2700K (3)

248

292

336

counts/

(μW/cm2)

IR channel irradiance responsivity

IR LED = 940nm (5)

ADC noise (4)

White LED, 2700K (3)

Integration time: 100ms

0.05

IR/Clear channel ratio

White LED, 2700K (3)

Optical Characteristics

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