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[v2-00] 2023-Mar-30

TSL2772 − Absolute Maximum R atings

Note(s):

1. Parameter is ensured by design or characterization and is not tested.

2. Proximity noise is defined as one standard deviation of 600 samples.

3. Proximity noise typically increases as √PPULSE

4. Greater operating distances are achievable with appropriate optical system design considerations. See available ams OSRAM

application notes for additional information.

5. Maximum operating distance is dependent upon emitter and the reflective properties of the object’s surface.

6. Proximity noise test was done using Figure 10.

Figure 10:

Proximity Noise Test Circuit

LED drive current

ISINK sink

current @ 1.6V,

LDR pin

120mA: PDRIVE = 0 &

PDL = 0

116

145

60mA: PDRIVE = 1 & PDL = 0

30mA: PDRIVE = 2 & PDL = 0

15mA: PDRIVE = 3 & PDL = 0

14.5

15mA: PDRIVE = 0 & PDL =1

12.9

7.5mA: PDRIVE =1 & PDL =1

6.4

3.8mA: PDRIVE =2 & PDL =1

3.2

1.9mA: PDRIVE =3 & PDL =1

1.6

Maximum operating

distance (1) (4) (5)

PDRIVE = 0 and PDL = 0 (116mA), PPULSE = 64

inches

Emitter: λP = 850nm, 20° half angle, and

60mW/sr

Object: 16

× 20-inch, 90% reflective Kodak gray

card (white surface)

Optics: Open view (no glass, no optical

attenuation)

Parameter

Test Conditions

Min

Typ

Max

Unit

TSL2772

VDD

15.0

VDD

GND

LDR

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