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PDF PA13A Data sheet ( Hoja de datos )
| Número de pieza | PA13A | |
| Descripción | Power Operational Amplifier | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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®
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
1 page  
60 –90
40 –120
20 –150
0
–20
1
® P r o d u c t I n n o v a t i o n F r –o1m80
–210
10 100 1K 10K .1M 1M 10M
1
FREQUENCY, F (Hz)
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
32
22 | +VS | – | –VS | = 80V
15 | +VS | + | –VS | = 30V
10
6.8
4.6
10K
PA1ww3w•.DaPtaASh1ee3t4AU.com
20K 30K 50K 70K .1M
FREQUENCY, F (Hz)
COMMON MODE REJECTION
120
100
80
60
40
20
0
1 10 100 1K 10K .1M 1M
FREQUENCY, F (Hz)
HARMONIC DISTORTION
3
1
VRAVSL
=10
= 37V
= 4Ω
.3
.1 = 100mW
.03 P O
P O= 4W
.01
.003
100
= 120W
PO
300 1K 3K 10K 30K
FREQUENCY, F (Hz)
.1M
PULSE RESPONSE
8
6 VIN = 5V, tr = 100ns
4
2
0
-2
-4
-6
-8
0 2 4 6 8 10 12
TIME, t (µs)
QUIESCENT CURRENT
1.6
1.4
1.2 TC = –25°C
1.0 TC = 25°C
TC = 85°C
.8 TC = 125°C
.6
.4
40 50 60 70 80 90 100
TOTAL SUPPLY VOLTAGE, VS (V)
INPUT NOISE
100
70
50
40
30
20
10
10
100 1K 10K
FREQUENCY, F (Hz)
.1M
OUTPUT VOLTAGE SWING
6
5
4 –VO
3
+VO
2
1
0 3 6 9 12 15
OUTPUT CURRENT, IO (A)
GENERAL
Please read Application Note 1 "General Operating Considerations" which covers stability, supplies, heat sinking,
mounting, current limit, SOA interpretation, and specification interpretation. Visit www.Cirrus.com for design tools
that help automate tasks such as calculations for stability, internal power dissipation, current limit; heat sink selec-
tion; Apex Precision Power’s complete Application Notes library; Technical Seminar Workbook; and Evaluation Kits.
SAFE OPERATING AREA (SOA)
The output stage of most power amplifiers has three distinct
limitations:
1. The current handling capability of the transistor geometry
and the wire bonds.
2. The second breakdown effect which occurs whenever the
simultaneous collector current and collector-emitter volt-
age exceeds specified limits.
3. The junction temperature of the output transistors.
The SOA curves combine the effect of all limits for this Power
Op Amp. For a given application, the direction and magnitude
of the output current should be calculated or measured and
checked against the SOA curves. This is simple for resistive
loads but more complex for reactive and EMF generating
loads. However, the following guidelines may save extensive
analytical efforts.
15 SOA
10
6.0
4.0
3.0
2.0
THERMAL
TCTC==8255°C°C
1.0
.6
.410 20 30 40 50 70 90
SUPPLY TO OUTPUT DIFFERENTIAL VOLTAGE, VS - VO (V)
PA13U
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PA13A.PDF ] | |
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