MP111
P r o d u c t I n n o v a t i o n F r o m
P r o d u c t T e c h n o l o g y F r o m
MP111
MP111
Power Operational Amplifier
FEATURES
• LOW COST
• HIGH VOLTAGE - 100 VOLTS
• HIGH OUTPUT CURRENT- 50 AMP PULSE OUTPUT, 15
AMP CONTINUOUS
• 170 WATT DISSIPATION CAPABILITY
• 130 V/uS SLEW RATE
• 500kHz POWER BANDWIDTH
APPLICATIONS
34-PIN DIP
PACKAGE STYLE FD
• INKJET PRINTER HEAD DRIVE
• PIEZO TRANSDUCER DRIVE
• INDUSTRIAL INSTRUMENTATION
• REFLECTOMETERS
TYPICAL APPLICATION
RF
+VS
• ULTRA-SOUND TRANSDUCER DRIVE
DESCRIPTION
+VS
RI
TheMP111operationalamplifierisasurfacemountconstructed
componentthatprovidesacost-effectivesolutioninmanyindus-
trial applications. The MP111 offers outstanding performance
that rivals much more expensive hybrid components yet has a
footprint of only 4 sq in. The MP111 has many optional features
such as four-wire current limit sensing and external compensa-
tion. The 500 kHz power bandwidth and 15 amp continuous
and 50A pulse output of the MP111 makes it a good choice
for piezo transducer drive applications. The MP111 is built on
a thermally conductive but electrically insulating substrate that
can be mounted to a heat sink.
+VB
GND
GND
PRINT
-ILIM
CC2
RLIM
NOZZLE
COMMAND
VOLTAGE
OUT
CC1
+ILIM
PIEZO
TRANSDUCER
-VB
-VS
CC
-VS
INKJET NOZZLE DRIVE
EQUIVALENT CIRCUIT DIAGRAM
The MP111's fast slew rate and wide power bandwith make it
an ideal nozzle driver for industrial inkjet printers.The 50 amp
pulse output capability can drive hundreds of inkjet nozzles
simultaneously.
8
+Vb
4
+Vb
14 +Vs
15 +Vs
C1
R1
D1
R2
Q17
Q2
3
2
GND
R3
BACK
PLATE
Q1B
Q1A
EXTERNAL CONNECTIONS
+Vs
16
C5
C1
1
TP
Q6
Q9
C2
+
Q7
Q8
Q4
R5
SUBSTRATE
BACKPLATE
Q3
C5
C6
11 OUT
12 OUT
Cc1
Cc2
5
6
CC
OUT OUT OUT
R15
2
4
6
7
8
10
11
12
21
13
15
+VS +VS
16
1
3
5
9
14
D2
+VS
C
C1 CC
2
NC
+VB
NC
NC
TP BACK GND +VB
PLT
13 OUT
28 +Ilim
Q12 Q13
R7
R8
VIEW FROM COMPONENT SIDE
Q11
Q16
Q14
-VS
19
-VS
18
-VS
17
GND NC
-VB
30
NC +ILIM -ILIM
28
-VB
25
NC
24
NC
23
-IN +IN
NC
26
R9
27 -Ilim
Q15A
R10
22
Q15B
R11
32
31
27
20
34
33
29
-IN 34
OUT OUT OUT
20 OUT
21 OUT
22 OUT
RLIM
IC1
C7
C8
Q18
Q21
R12
C3
C4
+
+IN
33
Q19
Q20
R17
Q22
LOAD &
FEEDBACK
PHASE COMPENSATION
GAIN W/O BOOST TYP. SLEW RATE
Q23
R19
Q24
GND 32
CC
NOTES:
100pF
68pF
33pF
≥1
≥4
≥10
55 V/µS
60 V/µS
130 V/µS
C3
CC IS NPO (COG) RATED FOR FULL SUPPLY VOLTAGE +VS TO -VS.
BOTH PINS 3 AND 32 REQUIRED CONNECTED TO SIGNAL GROUND.
C2 AND C3 ELECTROLYTIC ≥ 10µF PER AMP OUTPUT CURRENT.
C1, C4, C5-8 HIGH QUALITY CERAMIC ≥ 0.1µF.
ALL OUTPUT PINS MUST BE TIED TOGETHER.
SEE PACKAGE OUTLINE FD IN THE OUTLINE DIMENSIONS DATASHEET.
-Vs
-Vs
-Vs
17
R20
-Vb 30
-Vb 25
18
19
CC
GAIN W BOOST
TYP. SLEW RATE
12 V/µS
470pF
220pF
100pF
≥3
≥6
≥10
27 V/µS
55 V/µS
Copyright © Cirrus Logic, Inc. 2010
(All Rights Reserved)
DEC 2010
1
APEX − MP111UREVD
MP111U
www.cirrus.com