TSL27721 datasheet(10/58 Pages) OSRAM

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Datasheet, Public

Page 9

[v2-00] 2023-Mar-30

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TSL2772 − Absolute Maximum Ratings

Figure 9:

Proximity Characteristics, VDD = 3V, TA = 25°C, PGAIN = 1x, PEN = 1 (unless otherwise noted)

Parameter

Test Conditions

Min

Typ

Max

Unit

IDD

Supply current

LDR pulse ON

ADC conversion time

step size

PTIME = 0xFF

2.58

2.73

2.9

ADC number of

integration steps (1)

256

steps

ADC counts per

step (1)

PTIME = 0xFF

1023

counts

ADC count value

λP = 850nm, Ee = 263.4μW/cm

PTIME = 0xFB, PPULSE = 4

CH0

diode

1500

2000

2500

counts

CH1

diode

900

1200

1500

ADC output

responsivity

λP = 850nm, PTIME = 0xFB,

PPULSE = 1

CH0

diode

1.90

counts/

(μW/cm2)

CH1

diode

1.14

Gain scaling, relative

to 1x gain setting

PGAIN = 2x

PGAIN = 4x

PGAIN = 8x

Noise (1)(2)(3)

Ee = 0, PTIME = 0xFB, PPULSE = 4

(6)

CH0

diode

0.5

%FS

CH1

diode

0.5

LED pulse count (1)

0255

pulses

LED pulse period

16.0

μs

LED pulse width —

LED ON time

7.3

μs

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