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HBCC-0500 Datasheet(PDF) 3 Page - Agilent(Hewlett-Packard)

Part No. HBCC-0500
Description  Low Current Bar Code Digitizer IC
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Maker  HP [Agilent(Hewlett-Packard)]
Homepage  http://www.home.agilent.com
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HBCC-0500 Datasheet(HTML) 3 Page - Agilent(Hewlett-Packard)

   
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4-35
Recommended Schematic
Shown is the recommended
schematic for the HBCC-0500.
Here are some construction tips.
1. Place the sensor, 2N4403, bin
resistor, and the 0.47
µF cap
close to each other to minimize
loop area.
2. If the 0.47
µF cap is tantalum,
its ESR must be used in series
with Rb to determine the
correct value for Rb.
3. A 1.0
µF ceramic cap may be
used in place of the 0.47
µF
cap.
4. Place the 0.22
µF cap attached
to pins 4 and 23 close to the
IC.
5. Use a single point ground close
to pin 23.
Options
There are four options on the
recommended schematic.
1. Output pull up resistor
2. Inverted output
3. Black state return
4. Threshold adjust
Pull Up Resistor
The 10 k
Ω pull up resistor on the
standard or inverted output
transistor is optional. If the
transistor is driving a cable, the
resistor should be on the far end
of the cable.
Schematic
LEDD
VCC
GND
PSTI
PREO
EMIN
AGND
RPER
RPWD
CTIM
PPKD
CMPO
CMPI
LPFO
AMDT
LPFI
CMPA
ACMP
IWSR
VCCA
PRBP
PSTB
NPKD
2.2 nF
56 K
56 K
330 pF
2.0 M
20 K
680 pF
1.3 M
2.0 M
220 K
1.0 M
1.0 pF
2N5088
1N4148
+5 V
3.3 nF
+5 V
+5 V
390 K
470 K
1 nF
1 nF
1N4148
19
17
22
13
21
14
12 pF
12
20
8
10
11
16
NC
0.22 µF
0.1 µF
0.1 µF
0.1 µF
24
4
23
15
7
6
5
1
2
3
9
39
39
Rb Ω
0.22
µF
0.22
µF
0.47
µF
8.2 nF
680 K
470 K
9.1 K
2N5088
75 pF
0.1 µF
6.8 M
+5 V
8
1
2
6
2N4403
LED ANODE
LED CATHODE
DETECTOR
CATHODE
DETECTOR
ANODE
SENSOR
HBCC-
0500
BLACK STATE RETURN
(OPTIONAL)
10 K
(OPTIONAL)
INVERTED
OUTPUT
INVERTED OUTPUT
(OPTIONAL)
2N3904
10 K
Ω (OPTIONAL)
OUTPUT
20 K
18
CTHR
+5 V


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