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부품번호 PA13A 기능
기능 Power Operational Amplifier
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PA13A 데이터시트, 핀배열, 회로
®
PP rAo d1u3c ,t PI nAn o1v3aAt i o n F r o m
PA13 • PA13APA1ww3w.DaPtaASh1ee3t4AU.com
Power Operational Amplifier
FEATURES
♦ LOW THERMAL RESISTANCE — 1.1°C/W
♦ CURRENT FOLDOVER PROTECTION
♦ EXCELLENT LINEARITY — Class A/B Output
♦ WIDE SUPPLY RANGE — ±10V to ±45V
♦ HIGH OUTPUT CURRENT — Up to ±15A Peak
APPLICATIONS
♦ MOTOR, VALVE AND ACTUATOR CONTROL
♦ MAGNETIC DEFLECTION CIRCUITS
UP TO 10A
♦ POWER TRANSDUCERS UP TO 100kHz
♦ TEMPERATURE CONTROL UP TO 360W
♦ PROGRAMMABLE POWER SUPPLIES
UP TO 90V
♦ AUDIO AMPLIFIERS UP TO 120W RMS
DESCRIPTION
The PA13 is a state of the art high voltage, very high
output current operational amplifier designed to drive
resistive, inductive and capacitive loads. For optimum
linearity, especially at low levels, the output stage is
biased for class A/B operation using a thermistor com-
pensated base-emitter voltage multiplier circuit. The
safe operating area (SOA) can be observed for all op-
erating conditions by selection of user programmable
current limiting resistors. For continuous operation un-
der load, a heatsink of proper rating is recommended.
The PA13 is not recommended for gains below –3 (in-
verting) or +4 (non-inverting).
This hybrid integrated circuit utilizes thick film (cermet)
resistors, ceramic capacitors and semiconductor chips
to maximize reliability, minimize size and give top per-
formance. Ultrasonically bonded aluminum wires pro-
vide reliable interconnections at all operating temper-
atures. The 12-pin power SIP package is electrically
isolated.
EQUIVALENT SCHEMATIC
12
11
D1
Q2A
Q2B
10
Q1 9
Q3
2
A1
1
C1
5
6
Q4 Q5
Q6B
Q6A
3
4
7
8
EXTERNAL CONNECTIONS
12
–IN +IN
34 56 78
F.O.
–RCL
–VS –CL
+RCL
OUTPUT
9 10 11 12
+CL
+VS
12-pin SIP
PACKAGE
STYLE DP
Formed leads avaliable
See package style EE
PA13wUww.cirrus.com
Copyright © Cirrus Logic, Inc. 2010
(All Rights Reserved)
APEX − PMAA13RR2E0V1Q01




PA13A pdf, 반도체, 판매, 대치품
PA13 • PA13A
®
Product Innovation From
www.DataSheet4U.com
POWER RATING
TYPICAL APPLICATION
Not all vendors use the same method to rate the power han-
+73V
dling capability of a Power Op Amp. Apex Precision Power
rates the internal dissipation, which is consistent with rating
methods used by transistor manufacturers and gives conser-
vative results. Rating delivered power is highly application
dependent and therefore can be misleading. For example,
the 135W internal dissipation rating of the PA13 could be ex-
pressed as an output rating of 260W for audio (sine wave) or
as 440W if using a single ended DC load. Please note that all
vendors rate maximum power using an infinite heatsink.
THERMAL STABILITY
Apex Precision Power has eliminated the tendency of class
A/B output stages toward thermal runaway and thus has
vastly increased amplifier reliability. This feature, not found in
most other Power Op Amps, was pioneered by Apex Preci-
sion Power in 1981 using thermistors which assure a negative
temperature coefficient in the quiescent current. The reliability
47µF
2.5VP-P
11,12
RCL+
2 9,10 .2Ω
1 PA13
7,8
5,6
3
RCL–
.2Ω
47µF
.1µF
–22V
YOKE DRIVER: –V =
L* 1
t
HIGH CURRENT ASYMMETRICAL SUPPLY
.1µF
RD
2K
CF
50pF
RF
1K
benefits of this added circuitry far outweigh the slight increase
in component count.
7.8mH
5Ap-p
RS
.5Ω
TYPICAL PERFORMANCE GRAPHS
POWER DERATING
140
BIAS CURRENT
2.5
120 2.2
100 1.9
80 1.6
60
PA13
40
1.3
1.0
20
0
0 20 40 60 80 100 120 140
CASE TEMPERATURE, TC (°C)
SMALL SIGNAL RESPONSE
120
.7
.4
–50 –25 0 25 50 75 100 125
CASE TEMPERATURE, TC (°C)
PHASE RESPONSE
0
100 –30
80 –60
60 –90
40 –120
20 –150
0
–20
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
–180
–210
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
CURRENT LIMIT
17.5
15.0
12.5
RCL = .06Ω, RFO =
10.0
7.5
RCL = .18Ω, RFO = 0
V
O
=
0
5.0
2.5
V
O
=
–24V
V
O
=
24V
V
O
=
0
0
–50 –25 0 25 50 75 100 125
CASE TEMPERATURE, TC (°C)
POWER RESPONSE
100
68 | +VS | + | –VS | = 100V
46
32
22 | +VS | – | –VS | = 80V
15 | +VS | + | –VS | = 30V
10
6.8
4.6
10K
20K 30K 50K 70K .1M
FREQUENCY, F (Hz)
COMMON MODE REJECTION
120
100
4 80
60
PULSE RESPONSE
8
6 VIN = 5V, tr = 100ns
4
2
0
INPUT NOISE
100
70
50 PA13U
40
30

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PA13A 전자부품, 판매, 대치품
®
Product Innovation From
PA1ww3w.DaPtaASh1ee3t4AU.com
For certain applications, foldover current limit adds a slope to the current limit which allows more power to be deliv-
ered to the load without violating the SOA. For maximum foldover slope, ground pin 4 and use equations 3 and 4.
ICL =
0.65 + (VO * 0.014)
RCL
(3)
RCL =
0.65 + (VO * 0.014)
ICL
(4)
Where:
VO is the output voltage in volts.
Most designers start with either equation 1 to set RCL for the desired current at 0v out, or with equation 4 to set RCL at
the maximum output voltage. Equation 3 should then be used to plot the resulting foldover limits on the SOA graph.
If equation 3 results in a negative current limit, foldover slope must be reduced. This can happen when the output
voltage is the opposite polarity of the supply conducting the current.
In applications where a reduced foldover slope is desired, this can be achieved by adding a resistor (RFO) between
pin 4 and ground. Use equations 4 and 5 with this new resistor in the circuit.
ICL
=
0.65
+
VO * 0.14
10.14 + RFO
RCL
(5)
RCL
=
0.65
+
VO * 0.14
10.14 + RFO
ICL
Where:
RFO is in K ohms.
(6)
CONTACTING CIRRUS LOGIC SUPPORT
For all Apex Precision Power product questions and inquiries, call toll free 800-546-2739 in North America.
For inquiries via email, please contact [email protected].
International customers can also request support by contacting their local Cirrus Logic Sales Representative.
To find the one nearest to you, go to www.cirrus.com
IMPORTANT NOTICE
Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject
to change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant
information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale
supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus
for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third
parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights,
copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives con-
sent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent
does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROP-
ERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED TO BE
SUITABLE FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PROD-
UCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUS-
TOMER’S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE
CUSTOMER OR CUSTOMER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES,
BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL
LIABILITY, INCLUDING ATTORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES.
Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, Apex Precision Power, Apex and the Apex Precision Power logo designs are trademarks of Cirrus Logic, Inc.
All other brand and product names in this document may be trademarks or service marks of their respective owners.
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