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Número de pieza
componentes Descripción
SP4501 Ver la hoja de datos (PDF) - Signal Processing Technologies
Número de pieza
componentes Descripción
Fabricante
SP4501
EL Plus Piezo Driver
Signal Processing Technologies
SP4501 Datasheet PDF : 13 Pages
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SP4501
3
R
OSC
1
ELEN
2
PZEN
OSC
EN
f
OSC
FF4
FF3
INT CLOCK
SELECT
SELECTION
LOGIC
EXT CLOCK
CLOCK
SENSORY
CIRCUIT
1
5
PZCK PZCK
Figure 1: Internal Block Diagram of SP4501
V
DD
14
8
COIL
9
CAP
f
OSC
SCR1
f
LAMP
f
LAMP
f
PZ
f
PZ
SCR2
SCR3
SCR4
7
12 13
V
SS
EL1 EL2
10 11
PZ1 PZ2
+3V
500k
Ω
ELEN
PZEN
10nF
PZCK
PZCK
N/C
1
2
R
OSC
3
4
5
6
V
SS
7
Figure 2: Test Circuit of the SP4501
11-14-00
SP4501
+3V
V
DD
14
EL2
13
12
EL1
PZ2
11
10
PZ1
CAP
9
0.1
µ
F
C
EL
7.3nF,
2.5in
2
C
PZ
16nF
1800pF
8
1N4148
COIL
+3V
820
µ
H*
*DC Resistance 13
Ω
*
SP4501 EL Plus Piezo Driver
6
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