TSL2569 Просмотр технического описания (PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

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TSL2569

LIGHT-TO-DIGITAL CONVERTER

TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 

TSL2568, TSL2569

LIGHT-TO-DIGITAL CONVERTER

TAOS091D − DECEMBER 2008

Operating Characteristics, High Gain (16), VDD = 3 V, TA = 255C, (unless otherwise noted) (see

Notes 2, 3, 4, 5)

PARAMETER

TEST CONDITIONS

TSL2568T, TSL2569T TSL2568CS, TSL2569CS

CHANNEL

UNIT

MIN TYP MAX MIN TYP MAX

fosc Oscillator frequency

Dark ADC count value

Ee = 0, Tint = 402 ms

690 735 780 690 735 780 kHz

Ch0

0

Ch1

0

8

0

8

0

8

counts

8

Ch0

Tint > 178 ms

Ch1

65535

65535

65535

65535

Full scale ADC count

Ch0

value (Note 6)

Tint = 101 ms

Ch1

37177

37177

37177

counts

37177

Ch0

Tint = 13.7 ms

Ch1

5047

5047

5047

5047

ADC count value

λp = 640 nm, Tint = 101 ms

Ch0

Ee = 33 μW/cm2

Ch1

λp = 940 nm, Tint = 101 ms

Ch0

Ee = 106 μW/cm2

Ch1

λp = 640 nm, Tint = 101 ms

Ch0

Ee = 34.5 μW/cm2

Ch1

λp = 940 nm, Tint = 101 ms

Ch0

Ee = 110.9 μW/cm2

Ch1

3000

2800

4000

1000

4000

3520

5000

5200

3000

2800

4000

840

4000

3440

counts

5000

counts

5200

ADC count value ratio:

Ch1/Ch0

λp = 640 nm, Tint = 101 ms

λp = 940 nm, Tint = 101 ms

Ch0

λp = 640 nm, Tint = 101 ms

Ch1

Re Irradiance responsivity

Ch0

λp = 940 nm, Tint = 101 ms

Ch1

0.18 0.25 0.32 0.14 0.21 0.28

0.73 0.88 1.03 0.70 0.86 1.01

121

116

30.3

24

counts/

(μW/

37.7

36

cm2)

33.2

31

Fluorescent light source:

Ch0

185

Tint = 402 ms

Ch1

35

Rv Illuminance responsivity

Incandescent light source:

Ch0

599

Tint = 402 ms

Ch1

330

180

33.3

counts/

537

lux

307

Fluorescent light source:

ADC count value ratio: Tint = 402 ms

0.19

Ch1/Ch0

Incandescent light source:

Tint = 402 ms

0.55

Fluorescent light source:

Ch0

11.6

Illuminance responsivity, Tint = 402 ms

Ch1

2.2

Rv low gain mode (Note 7) Incandescent light source:

Ch0

37.5

Tint = 402 ms

Ch1

20.7

0.19

0.57

11.1

2.1

counts/

33.8

lux

19.3

(Sensor Lux) /

(actual Lux), high gain

mode (Note 8)

Fluorescent light source:

Tint = 402 ms

Incandescent light source:

Tint = 402 ms

0.65

1 1.35 0.65

0.60

1 1.40 0.60

1 1.35

1 1.40

Copyright E 2008, TAOS Inc.

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