MP103 Cirrus Logic, Inc., MP103 Datasheet

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MP103

Manufacturer Part Number
MP103
Description
Power Operational Amplifiers
Manufacturer
Cirrus Logic, Inc.
Datasheet

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FEATURES
♦ Low Cost Integrated Solution
♦ Output Current >10A Within SOA
♦ Internal Power Dissipation 35 W Per Channel
♦ 167V/µS Slew Rate
APPLICATIONS
♦ Piezoelectric Actuation For Ink Jet Printer
MP103U
Nozzles
http://www.cirrus.com
+Vaux
GND
IN_A
IN_B
+Vs
+Vs
+Vs
+Vs
+Vs
+Vs
-Vs
-Vs
-Vs
-Vs
-Vs
-Vs
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 I n n o v a t i o n F r o m
MP103
Power Operational Amplifiers
-5V
EQUIVALENT CIRCUIT DIAGRAM
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
GENERAL DESCRIPTION
The MP103 is a high voltage, high output current
dual channel operational amplifier for driving capaci-
tive loads such as piezo devices use in ink jet print-
ing applications. The MP103 utilizes proprietary IC’s
combined with discrete semiconductor and passive
elements on a thermally conductive insulated metal
substrate, delivering very high power from a compact
module. The amplifier gain is fixed at 65 V/V when
the feedback pin is connected to the V
compensation provides optimum slew rate and insures
stability. The only external components required are
the current limit resistors R
tor R
S
and the power supply bypass capacitors.
LIM
, a series isolation resis-
APEX − MP103UREVA
IL
IL
IL
Out A
Feedback A
Feedback B
IL
IL
IL
Out B
MP103
OUT
pin. Internal
MP103
SEP 2009
1

Related parts for MP103

MP103 Summary of contents

Page 1

... MP103U http://www.cirrus.com GENERAL DESCRIPTION The MP103 is a high voltage, high output current dual channel operational amplifier for driving capaci- tive loads such as piezo devices use in ink jet print- ing applications. The MP103 utilizes proprietary IC’s combined with discrete semiconductor and passive ...

Page 2

... 167 P-P -7 -15 - 145 -V + 200 13 Units °C °C °C Units mV µV/°C µA KΩ nV/√Hz V/V KHz KHz V/µ MP103U ...

Page 3

... V (V) OUTPUT CURRENT OFFSET VOLTAGE vs. TEMPERATURE 1.2 1.1 1.0 0.9 AUX 0.8 0.7 0.6 75 -40 - (°C) CASE TEMPERATURE, T INPUT BIAS CURRENT vs. TEMPERATURE 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 180 -40 - CASE TEMPERATURE, T (°C) MP103 Units °C/W °C/W °C/W °C denotes the 7 (° ...

Page 4

... TOTAL SUPPLY VOLTAGE, V AUX SLEW RATE vs. TEMPERATURE FDBK 450 400 +SLR 350 300 250 -SLR 200 150 1500 -40 - (Ω) CASE TEMPERATURE, TC (°C) FDBK Package Style (° (°C) C SUPPLY AUX 20 25 (V) AUX 42-Pin DIP MP103U ...

Page 5

... POWER SUPPLY BYPASSING Bypass capacitors to power supply terminals +V local parasitic oscillation in the output stage of the MP103. Use electrolytic capacitors at least 10μF per output amp required. Bypass the electrolytic capacitors with high quality ceramic capacitors (X7R) 0.1μF or greater. Duplicate the supply bypass for the supply terminals of each amplifier channel. A bypass capacitor of 0.1μF or greater is rec- ommended for the +V terminal ...

Page 6

... The resistor will affect the rise and fall time of the output pulse at the capacitive load. This can be com- pensated for on the input signal. BACKPLATE GROUNDING The substrate of the MP103 is an insulated metal substrate required that it be connected to signal ground. This is accomplished when the ground pin (Pin 32) is properly connected signal ground. CONTACTING CIRRUS LOGIC SUPPORT For all Apex Precision Power product questions and inquiries, call toll free 800-546-2739 in North America ...

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