PA51CE [CIRRUS]
Operational Amplifier, 1 Func, 10000uV Offset-Max, MBFM8, ROHS COMPLIANT, HERMETIC SEALED, TO-3, 8 PIN;
| 型号： | PA51CE |
| 厂家： | 
CIRRUS LOGIC |
| 描述： | Operational Amplifier, 1 Func, 10000uV Offset-Max, MBFM8, ROHS COMPLIANT, HERMETIC SEALED, TO-3, 8 PIN 局域网 放大器 |
| 文件： | 总5页 (文件大小：376K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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F r o m
PA51 • PA51A
P
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u
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t
I
n
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v
a t
i
Power Operational Amplifier
FEATURES
•ꢀWIDEꢀSUPPLYꢀRANGEꢀ—ꢀ±10ꢀtoꢀ±40V
•ꢀHIGHꢀOUTPUTꢀCURRENTꢀ—ꢀ±10AꢀPeak
•ꢀCLASSꢀ“C”ꢀOUTPUTꢀ—ꢀLowꢀCost
•ꢀLOWꢀQUIESCENTꢀCURRENTꢀ—ꢀ2.6mA
APPLICATIONS
•ꢀDCꢀSERVOꢀAMPLIFIER
8-PINꢀTO-3
PACKAGEꢀSTYLEꢀCE
•ꢀMOTOR/SYNCHROꢀDRIVER
•ꢀVALVEꢀANDꢀACTUATORꢀCONTROL
•ꢀDCꢀORꢀACꢀPOWERꢀREGULATOR
TYPICALꢀAPPLICATION
C1
DESCRIPTION
The PA51 and PA51A are high voltage, high output current
operationalamplifiersdesignedtodriveresistive,inductiveand
capacitiveloads.Theircomplementarycommonemitteroutput
stage is the simple class C type optimized for low frequency
applications where crossover distortion is not critical. These
amplifiersarenotrecommendedforaudio,transducerordeflec-
tion coil drive circuits. The safe operating area (SOA) is fully
specified and can be observed for all operating conditions by
selectionofuserprogrammablecurrentlimitingresistors.Both
amplifiers are internally compensated for all gain settings.For
continuous operation under load, mounting on a heatsink of
proper rating is recommended. Do not use isolation washers!
This hybrid integrated circuit utilizes thick film conductors,
ceramic capacitors and semiconductor chips to maximize reli-
ability, minimize size and give top performance.Ultrasonically
bonded aluminum wires provide reliable interconnections at
all operating temperatures.The 8-pinTO-3 package is electri-
cally isolated and hermetically sealed.The use of compress-
ible thermal washers and/or improper mounting torque will
void the product warranty. Please see “General Operating
Considerations”.
R3
+10V
0/+5V
R1
.1Ω
DAC
0/6A
4.16K
PA51
R2
2.5K
R4
M
.1Ω
–28V
R5
.5Ω
MOTOR CURRENT IS A FUNCTION OF VIN
PROGRAMMABLE TORQUE CIRCUIT
The linear relationship of torque output to current input of
the modern torque motor makes this simple control circuit
ideal for many material processing and testing applications.
The sense resistor develops a feedback voltage proportional
to motor current and the small signal properties of the Power
OpAmp insure accuracy.With this closed loop operation, tem-
perature induced impedance variations of the motor winding
are automatically compensated.
EXTERNALꢀCONNECTIONS
EQUIVALENTꢀSCHEMATIC
RCL+
CL+
+VS
2
3
OUT
3
1
Q1A
Q1B
OUTPUT
+IN
4
TOP VIEW
2
–IN
5
Q3
Q4
8
4
5
RCL–
CL–
6
7
A1
1
8
–VS
N.C.
C1
Q6B
Q6A
6
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
MAY 2009
APEX − PA51UREVR
http://www.cirrus.com
P r o d u c t I n n o v a t i o n F r o m
PA51 • PA51A
SUPPLY VOLTAGE, +VS to –VS
80V
10A
97W
±37V
ABSOLUTEꢀMAXIMUMꢀRATINGS
OUTPUT CURRENT, within SOA
POWER DISSIPATION, internal
INPUT VOLTAGE, differential
INPUT VOLTAGE, common mode
±VS
200°C
TEMPERATURE, junction1
TEMPERATURE, pin solder -10s
TEMPERATURE RANGE, storage
OPERATING TEMPERATURE RANGE, case
300°C
–±5 to +150°C
–55 to +125°C
SPECIFICATIONS
PA51
TYP
PA51A
TYP
PARAMETER
TEST CONDITIONS2, 5
MIN
MAX
MIN
MAX
UNITS
INPUT
OFFSET VOLTAGE, initial
TC = 25°C
Full temperature range
TC = 25°C
TC = 25°C
TC = 25°C
Full temperature range
TC = 25°C
TC = 25°C
Full temperature range
TC = 25°C
TC = 25°C
±5
±10
±35
±20
±15
±.05
±.02
±12
±.05
250
10
±10
±±5
±2
*
*
*
*
*
*
±5
*
*
*
*
*
*
±8
±ꢀ0
mV
µV/°C
µV/V
µV/W
nA
nA/°C
nA/V
nA
nA/°C
MΩ
MΩ
pF
V
OFFSET VOLTAGE, vs. temperature
OFFSET VOLTAGE, vs. supply
OFFSET VOLTAGE, vs. power
BIAS CURRENT, initial
BIAS CURRENT, vs. temperature
BIAS CURRENT, vs. supply
OFFSET CURRENT, initial
±ꢀ0
±30
±30
±10
OFFSET CURRENT, vs. temperature
INPUT IMPEDANCE, common mode
INPUT IMPEDANCE, differential
INPUT CAPACITANCE
TC = 25°C
Full temperature range
TC = 25°C, VCM = ±VS –±V
3
COMMON MODE VOLTAGE RANGE3
COMMON MODE REJECTION, DC3
±VS–± ±VS–3
*
80
70
110
dB
GAIN
OPEN LOOP GAIN at 10Hz
Full temp. range, full load
9ꢀ
10
115
1
1±
ꢀ5
*
*
*
*
*
*
dB
MHz
kHz
°
GAIN BANDWIDTH PRODUCT @ 1MHz TC = 25°C, full load
POWER BANDWIDTH
PHASE MARGIN
TC = 25°C, IO = 8A, VO = ꢀ0VPP
Full temperature range
OUTPUT
VOLTAGE SWING3
VOLTAGE SWING3
VOLTAGE SWING3
CURRENT
TC = 25°C, IO = 10A
Full temp. range, IO = ꢀA
Full temp. range, IO = ±8mA
TC = 25°C
TC = 25°C, 2V step
TC = 25°C, RL = ±Ω
Full temperature range
Full temperature range
±VS–8 ±VS–5
±VS–± ±VS–ꢀ
±VS–±
±10
2
*
*
*
*
*
*
V
V
V
A
SETTLING TIME to .1%
SLEW RATE
CAPACITIVE LOAD, unity gain
CAPACITIVE LOAD, gain > ꢀ
*
*
µs
V/µs
nF
1.0
2.±
*
1.5
SOA
*
*
POWER SUPPLY
VOLTAGE
CURRENT, quiescent
Full temperature range
TC = 25°C
±10
±28
2.±
±3±
10
*
±3ꢀ
*
±ꢀ0
*
V
mA
THERMAL
RESISTANCE, AC, junction to caseꢀ
RESISTANCE, DC, junction to case
RESISTANCE, junction to air
TEMPERATURE RANGE, case
F > ±0Hz
F < ±0Hz
1.0
1.5
30
1.2
1.8
*
*
*
*
*
°C/W
°C/W
°C/W
°C
Meets full range specifications
–25
+85
–55
+125
NOTES:
*
The specification of PA51A is identical to the specification for PA51 in applicable column to the left.
1. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to
achieve high MTTF.
2. The power supply voltage specified under the TYP rating applies unless otherwise noted as a test condition.
3. +VS and –VS denote the positive and negative supply rail respectively. Total VS is measured from +VS to –VS.
ꢀ. Rating applies if the output current alternates between both output transistors at a rate faster than ±0Hz.
5. Full temperature range specifications are guaranteed but not 100% tested.
The internal substrate contains beryllia (BeO). Do not break the seal. If accidentally broken, do not crush, machine, or
subject to temperatures in excess of 850°C to avoid generating toxic fumes.
ꢀ CAUTION
2
PA51U
P r o d u c t I n n o v a t i o n F r o m
PA51 • PA51A
POWER DERATING
CURRENT LIMIT
OUTPUT VOLTAGE SWING
100
7
5.5
6
5
4
3
5.0
4.5
4.0
3.5
3.0
2.5
80
60
40
R
CL = .12Ω
= –25°C
TC
2
PA51 PA51A
20
0
RCL = 0.3Ω
1
0
0
25
50
75 100 125 150
0
2
4
6
8
10
-25
0
25
50
75 100 125
CASE TEMPERATURE, TC (°C)
OUTPUT CURRENT, IO (A)
TEMPERATURE, T (°C)
SMALL SIGNAL RESPONSE
POWER RESPONSE
PHASE RESPONSE
120
100
80
0
70
50
36
V
S = 40V
–30
–60
–90
RL = 8Ω
60
40
20
26
19
13
9.7
7
–120
–150
RL = 3Ω
–180
–210
0
–20
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
10K
20K 30K
50K 70K .1M
FREQUENCY, F (Hz)
PULSE RESPONSE
COMMON MODE REJECTION
BIAS CURRENT
120
100
80
8
6
2.5
2.2
1.9
GAIN = +1
RL = 5Ω
4
2
1.6
1.3
1.0
60
0
–2
–4
40
20
0
.7
.4
–6
–8
1
10 100 1K 10K .1M 1M
FREQUENCY, F (Hz)
–50 –25
0
25 50 75 100 125
0
2
4
6
8
10 12
TIME, (s)
CASE TEMPERATURE, TC (°C)
HARMONIC DISTORTION
QUIESCENT CURRENT
INPUT NOISE
10
3
1.6
1.4
1.2
1.0
.8
100
70
VS = 36V
RL = 4Ω
GAIN = 10
50
40
1
= .1W
O
P
P
.3
.1
30
20
= 5W
O
P
= –55°C
C
T
= 50W
O
.03
.01
.6
.4
10
10
30 100 300
1K
3K 10K 30K
20 30 40 50 60 70 80 90
TOTAL SUPPLY VOLTAGE, VS (V)
100
1K
10K
.1M
FREQUENCY, F (Hz)
FREQUENCY, F (Hz)
PA51U
3
P r o d u c t I n n o v a t i o n F r o m
PA51 • PA51A
GENERAL
Please read Application Note 1 "General Operating Con-
siderations" 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 and heat sink selection. The
"Application Notes" and "Technical Seminar" sections con-
tain a wealth of information on specific types of applications.
Package outlines, heat sinks, mounting hardware and other
accessories are located in the "Packages and Accessories"
section. Evaluation Kits are available for most Apex Precision
Power product models, consult the "Evaluation Kit" section
for details. For the most current version of all Apex Precision
Power product data sheets, visit www.Cirrus.com.
1. Under transient conditions, capacitive and dynamic* induc-
tive loads up to the following maximums are safe:
CAPACITIVE LOAD INDUCTIVE LOAD
±VS
ILIM = 5A
ILIM = 10A
ILIM = 5A
ILIM = 10A
ꢀ0V
35V
30V
25V
20V
15V
ꢀ00µF
800µF
1,±00µF
5.0mF
10mF
200µF
ꢀ00µF
800µF
2.5mF
5.0mF
10mF
11mH
20mH
35mH
50mH
ꢀ00mH
**
ꢀ.3mH
5.0mH
±.2mH
15mH
20mH
100mH
20mF
* If the inductive load is driven near steady state conditions,
allowing the output voltage to drop more than 8V below the
supply rail with ILIM = 10A or 15V below the supply rail with
ILIM = 5A while the amplifier is current limiting, the inductor
should be capacitively coupled or the current limit must be
lowered to meet SOA criteria.
SAFEꢀOPERATINGꢀAREAꢀ(SOA)
The output stage of most power amplifiers has three distinct
limitations:
** Second breakdowneffectimposesnolimitationbutthermal
limitations must still be observed.
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 voltage
exceeds specified limits.
2. The amplifier can handle any EMF generating or reactive
loadandshortcircuitstothesupplyrailorshortstocommon
if the current limits are set as follows at TC = 85°C.
3. The junction temperature of the output transistors.
SHORT TO VS
SHORT TO
COMMON
SOA
VS
C, L, OR EMF LOAD
10
t = 1ms
ꢀ5V
ꢀ0V
35V
30V
25V
20V
15V
0.1A
0.2A
0.3A
0.5A
1.2A
1.5A
2.0A
1.3A
1.5A
1.±A
2.0A
2.ꢀA
3.0A
ꢀ.0A
7.0
T
= 25°C
C
5.0
3.0
t = 5ms
2.0
1.5
These simplified limits may be exceeded with further analysis
using the operating conditions for a specific application.
1.0
0.7
0.5
3.The output stage is protected against transient flyback.How-
ever, for protection against sustained, high energy flyback,
external fast-recovery diodes should be used.
0.3
0.2
CURRENTꢀLIMIT
5
7
10
15
20
30
40 50
70 80
Proper operation requires the use of two current limit resis-
tors, connected as shown in the external connection diagram.
The minimum value for RCL is .0± ohm, however for optimum
reliability it should be set as high as possible. Refer to the
“General Operating Considerations” section of the handbook
for current limit adjust details.
SUPPLY TO OUTPUT DIFFERENTIAL VOLTAGE VS – VO (V)
The SOA curves combine the effect of of all limits for this
Power Op Amp. For a given application, the direction and
magnitude of the output current should be calculated or mea-
sured and checked against the SOA curves. This is simple
for resistive loads but more complex for reactive and EMF
generatingloads.Thefollowingguidelinesmaysaveextensive
analytical efforts.
4
PA51U
P r o d u c t I n n o v a t i o n F r o m
PA51 • PA51A
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 apex.support@cirrus.com.
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.
PA51U
5
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