TMD27253M datasheet(6/50 Pages) AMSCO

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[v1-11] 2016-Sep-20

TMD2725 − Electrical Characteristics

Figure 8:

Proximity Optical Characteristics of TMD2725

Note(s):

1. Production tested result is the average of 5 readings expressed relative to a calibrated response.

2. Representative result by characterization.

3. Production tested result is the average of 20 readings divided by the maximum proximity value 255.

Parameter

Conditions

Min

Typ

Max

Unit

Part to part variation (1)

Conditions:

PGAIN = 2 (4x)

PLDRIVE = 8 (54mA)

PPULSE = 15 (16 pulses)

PPULSE_LEN = 1 (8μs)

d=23mm round target

30mm target distance

100

125

Response, absolute

Basic proximity measurement (2)

Conditions:

PGAIN = 2 (4x),

PLDRIVE = 16 (102mA)

PPULSE = 15 (16 pulses)

PPULSE_LEN = 2 (16μs)

Target material:

90% reflective surface of Kodak

gray card

Target Size: 100mm x 100mm

Target Distance: 100mm

128

160

192

Counts

Response, no target

PGAIN = 2 (4x)

ILEDDRIVE = 16 (102mA)

PPULSE = 16 (17 Pulses)

Pulse Length = 2 (16μS)

020

Noise/Signal (3)

PGAIN = 2 (4x)

IRLEDDRIVE = 8 (54mA)

PPULSE = 15 (16 pulses)

PPULSE_LEN = 1 (8μs)

d=23mm round target

30mm target distance

1.2

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