Motorola MC55N0 Specifications download pdf (Page 101)

Specifications A - 9

SE4500-DL

Figure A-3 shows the decode zone for the SE4500-DL. Typical values appear. Table A-4 lists the typical

distances for selected bar code densities. The minimum element width (or “symbol density”) is the width in mils

of the narrowest element (bar or space) in the symbol.

Figure A-3

SE4500-DL Decode Zone

In.

20 mil Code 39

Depth of Field

19.7

81216

10.2 20.3

30.5

40.6

50.8

13 mil (100% UPC)

11.7

1.6

15 mil PDF417

10.2

20.3

* Minimum distance determined by symbol length and scan angle.

10.2

in.

Note: Typical performance at 73˚F (23˚C)

on high quality symbols in normal room light.

Vcc = 3.3V

11.2

15 mil Data Matrix

2.3

9.0

10 mil PDF417

9.9

7.5 mil Code 39

6.67 mil PDF417

1.9

6.9

5 mil Code 39

1.4

7.3

5 mil PDF417

2.8

4.5

3 mil Code 39

2.7

4.2

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 125 126

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Motorola MC55N0 Specifications Page 101

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