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PDF MP118A Data sheet ( Hoja de datos )
| Número de pieza | MP118A | |
| Descripción | Power Operational Amplifier | |
| Fabricantes | APEX | |
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Hay una vista previa y un enlace de descarga de MP118A (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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MP108, MP108A
MP11M8P1•1M8 •PM1P1181A8A
Power Operational Amplifier
FEATURES
DESCRIPTION
• HIGH VOLTAGE - 200 VOLTS
• HIGH OUTPUT CURRENT (10A continuous)
• 100 WATT DISSIPATION CAPABILITY
• 140 kHz POWER BANDWIDTH
• TEMPERATURE MONITOR
• INTEGRATED SHUT-DOWN
APPLICATIONS
• INK JET PRINTER HEAD DRIVE
• PIEZO TRANSDUCER DRIVE
• INDUSTRIAL INSTRUMENTATION
• REFLECTOMETERS
• ULTRA-SOUND TRANSDUCER DRIVE
The MP118 is a SMT operational amplifier that pro-
vides a cost effective solution in many industrial ap-
plications. The MP118 offers outstanding performance
that rivals much more expensive hybrid components,
but yet has a footprint of only ≈26cm2 (4 in2). The 140
kHz power bandwidth and 10A output of the MP118
makes it a good choice for piezo transducer drive ap-
plications. The MP118 is built on a thermally conduc-
tive but electrically insulating substrate that can be
mounted to a heat sink.
MP118 is based on the MP108 design, but offers lower
quiescent current consumption and new features for
enhanced system protection. The newly introduced
over-current protection and temperature monitoring
circuitry will shut-down the system before any perma-
nent damage occurs.
+VB 8
+VB 4
GND
BACK
PLATE
TP
3
2
1
SUBSTRATE
BACKPLATE
CC1 5
CC2 6
TEMP 7
SD 9
RESET 10
-IN 34
+5V
GND
On-board
power-on RESET
System
Control
14 +VS
15 +VS
16 +VS
11 OUT
12 OUT
13 OUT
28 +ISD
27 -ISD
20 OUT
21 OUT
22 OUT
+IN 33
GND 32
-VB 30
-VB 25
GND
17 -VS
18 -VS
19 -VS
Figure 1: Equivalent Circuit Diagram (for Illustration Purposes Only – Not Accurate Representation)
MwwP1w1.8aUp exanalo g.com Co pyright ©(A AplleRxigMhitcsroRteecshenrvoelodg) y, Inc. 2014
NOV 2014
MP118U REV C1
1 page  
MP118 • MP118A
Figure 3: External Connections
C1
+
C5 C2
C6
CC OUT OUT OUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TP BACK GND +VB CC1 CC2 TEMP +VB SD RESET
PLT VIEW FROM COMPONENT SIDE
+VS +VS +VS
-IN +IN GND NC -VB NC +ISD -ISD NC -VB NC NC
-VS -VS -VS
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
C7 RLIM C8
OUT OUT OUT
NOTES:
LOAD &
FEEDBACK
+ C3
C4
1. CC has to be NPO (COG) rated for full supply voltage +VS to -VS. Typical values are provided in the section
“COMPENSATION”
2. Both pins 3 and 32 have to be connected to signal ground.
3. C2 and C3 are electrolytic capacitors with 10µF per amp output current.
4. C1, C4, C5-C8 need to be high quality ceramic 100nF capacitors.
5. All OUT pins (pins 11-13 and 20-22) need to be tied together.
TYPICAL APPLICATION
The MP118's fast slew rate and wide power band-
width make it an ideal nozzle driver for industrial
inkjet printers. The 10A output capability can drive
hundreds of nozzles simultaneously.
Figure 4 shows a high level outline of MP118 in a
typical piezo transducer drive application.
GENERAL
Please read Application Note 1 "General Operat-
ing Considerations" which covers stability, power
supplies, heat sinking, mounting, current limit, SOA
interpretation. Visit www.apexanalog.com for Apex
Microtechnology, Inc's complete Application Notes
library, Technical Seminar Workbook and Evalua-
tion Kits.
PRINT
NOZZLE
COMMAND
VOLTAGE
RF
+VS
RI
+VS
+VB
SD
RESET
GND -ISD
+ISD
OUT
TEMP
RLIM
GND CC2
-VS -VB
CC1
PIEZO
TRANSDUCER
CC
-VS
Figure 4: Typical Application
GROUND PINS
The MP118 has two ground pins (pins 3, 32). These pins provide a return for the internal capacitive bypassing of
the small signal portions of the MP118. The two ground pins are not connected together on the substrate. Both of
these pins are required to be connected to the system signal ground.
MP118U
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MP118A.PDF ] | |
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