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产品型号PA83A的概述

PA83A芯片概述 PA83A是一款高性能的模拟前置放大器,广泛应用于音频设备、传感器接口、信号调理等领域。在音频系统中,该芯片的低噪声特性与广泛的增益范围,使其成为高保真音响的理想选择。PA83A的设计考虑了电源效率和热管理,以保证在各种工作条件下的稳定性和可靠性。 本芯片采用先进的制造工艺,使其拥有小型化的封装和较高的集成度,这使得它适合于便携式设备和紧凑型电子产品。它提供了一系列优化的特性,能够满足现代电子设备日益增长的性能需求。 PA83A详细参数 PA83A的主要参数包括: 1. 电源电压范围:3V至12V 2. 增益:可调增益范围从20dB到40dB 3. 带宽:频率响应可达200kHz 4. 功耗:在最大增益下,典型功耗约为10mA 5. 输入阻抗:典型输入阻抗为1MΩ 6. 输出阻抗:典型输出阻抗为100Ω 7. 噪声系数:输入噪声约为1μV 8. 环境温度范围:-40...

产品型号PA83A的Datasheet PDF文件预览

PA83 • PA83A  
ProductInnova tio n From  
High Voltage Power Operational Amplifiers  
FEATURES  
• LOW BIAS CURRENT, LOW NOISE — FET Input  
• FULLY PROTECTED INPUT — Up to ±150V  
• WIDE SUPPLY RANGE — ±15V to ±150V  
APPLICATIONS  
• HIGH VOLTAGE INSTRUMENTATION  
• ELECTROSTATIC TRANSDUCERS & DEFLECTION  
• PROGRAMMABLE POWER SUPPLIES UP TO 290V  
• ANALOG SIMULATORS  
8-PIN TO-3  
PACKAGE STYLE CE  
100K  
+150V  
DESCRIPTION  
3.57K  
±5V  
GATED  
OSCILLATOR  
The PA83 is a high voltage operational amplifier designed  
for output voltage swings up to ±±45V with a dual (±ꢀ supply or  
290V with a single supply. Its input stage is protected against  
transient and steady state overvoltages up to and including  
the supply rails. High accuracy is achieved with a cascode  
input circuit configuration. All internal biasing is referenced  
to a zener diode fed by a FET constant current source. As  
a result, the PA83 features an unprecedented supply range  
and excellent supply rejection. The output stage is biased in  
the class A/B mode for linear operation. Internal phase com-  
pensation assures stability at all gain settings without need  
for external components. Fixed current limits protect these  
amplifiers against shorts to common at supply voltages up to  
±20V. For operation into inductive loads, two external flyback  
pulseprotectiondiodesarerecommended.However,aheatsink  
may be necessary to maintain the proper case temperature  
under normal operating conditions.  
A1  
PA83  
–150V  
∆V  
∆t  
C
*
I =  
SIMPLE PIEZO ELECTRIC TRANSDUCER DRIVE  
TYPICAL APPLICATION  
While piezo electric transducers present a complex imped-  
ance, they are often primarily capacitive at useful frequen-  
cies. Due to this capacitance, the speed limitation for a given  
transducer/amplifier combination may well stem from limited  
current drive rather than power bandwidth restrictions. With  
its drive capability of 75mA, the PA83 can drive transducers  
having up to 2nF of capacitance at 40kHz at maximum output  
voltage. In the event the transducer may be subject to shock  
or vibration, flyback diodes, voltage clamps or other protection  
networks must be added to protect the amplifier from high  
voltages which may be generated.  
This hybrid circuit utilizes beryllia (BeOꢀ substrates, thick  
(cermetlmresistors,ceramiccapacitorsandsiliconsemicon-  
ductor chips to maximize reliability, minimize size and give top  
performance. Ultrasonically bonded aluminum wires provide  
reliable interconnections at all operating temperatures. The  
8-pinTO-3 package is hermetically sealed and electrically iso-  
lated.Theuseofcompressiblethermalisolationwashersand/or  
improper mounting torque voids product warranty. Please see  
Application Note ± “General Operating Considerations.  
EQUIVALENT SCHEMATIC  
4
2
C1  
EXTERNAL CONNECTIONS  
D1  
3
Q3  
Q1  
Q8  
Q2  
+VS  
Q4  
C3  
BAL  
2
3
Q5  
OUTPUT  
1
BAL  
–IN  
C2  
4
5
Q6  
TOP VIEW  
Q9  
Q10  
Q12B  
Q7  
C5  
Q11  
C4  
1
8
Q12A  
5
6
7
+IN  
N.C.  
Q13  
Q14  
–VS  
Q17  
Q16  
NOTE:  
6
7
Q15  
1. Pin 8 not internally connected.  
2. Input offset trimpot optional.  
Recommended value of 100KΩ.  
C6  
D2  
Copyright © Cirrus Logic, Inc. 2009  
(All Rights Reserved)  
MAY 2009  
APEX − PA83UREVQ  
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  
PA83 • PA83A  
SUPPLY VOLTAGE, +VS to –VS  
300V  
Internally Limited  
±7.5W  
ABSOLUTE MAXIMUM RATINGS  
OUTPUT CURRENT, within SOA  
POWER DISSIPATION, internal at TC = 25°C±  
INPUT VOLTAGE, differential  
±300V  
INPUT VOLTAGE, common mode  
TEMPERATURE, pin solder - ±0s max (solderꢀ  
TEMPERATURE, junction  
±300V  
300°C  
±75°C  
TEMPERATURE RANGE, storage  
OPERATING TEMPERATURE RANGE, case  
–65 to +±50°C  
–55 to +±25°C  
SPECIFICATIONS  
PA83  
TYP  
PA83A  
TYP  
PARAMETER  
TEST CONDITIONS2  
MIN  
MAX  
MIN  
MAX  
UNITS  
INPUT  
OFFSET VOLTAGE, initial  
OFFSET VOLTAGE, vs. temperature  
OFFSET VOLTAGE, vs. supply  
OFFSET VOLTAGE, vs. time  
BIAS CURRENT, initial3  
TC = 25°C  
±±.5  
±±0  
±.5  
±75  
5
±3  
±25  
±.5  
±5  
±.2  
*
3
*
±±.5  
*
*
*
±±  
±±0  
mV  
µV/°C  
µV/V  
µV/√kh  
pA  
pA/V  
pA  
pA/V  
Ω
pF  
Full temperature range  
T = 25°C  
TC = 25°C  
TC = 25°C  
50  
±0  
BIAS CURRENT, vs. supply  
OFFSET CURRENT, initial3  
OFFSET CURRENT, vs. supply  
INPUT IMPEDANCE, DC  
INPUT CAPACITANCE  
TC = 25°C  
.0±  
TC = 25°C  
±2.5  
±.0±  
±0±±  
6
±50  
±±0  
TC = 25°C  
TCC = 25°C  
Full temperature range  
Full temperature range  
Full temperature range  
COMMON MODE VOLTAGE RANGE4  
COMMON MODE REJECTION, DC  
±VS–±0  
96  
*
V
dB  
±30  
*
GAIN  
OPEN LOOP GAIN at ±0Hz  
UNITY GAIN CROSSOVER FREQ.  
POWER BANDWIDTH  
PHASE MARGIN  
T = 25°C, R = 2KΩ  
TC = 25°C, RL = 2KΩ  
TCC = 25°C, RL = ±0KΩ  
Full temperatLure range  
±±6  
5
60  
60  
*
3
40  
*
*
*
*
dB  
MHz  
kHz  
°
OUTPUT  
VOLTAGE SWING4, full load  
VOLTAGE SWING4  
Full temp. range, I = 75mA  
Full temp. range, IOO = ±5mA  
T = 25°C  
±VS–±0 ±V –5  
*
*
*
*
*
V
V
mA  
mA  
V/µs  
nF  
±VS–5 ±VSS–3  
CURRENT, peak  
75  
CURRENT, short circuit  
TC = 25°C  
±00  
*
*
SLEW RATE6  
TCC = 25°C, R = 2KΩ  
Full temperatLure range  
Full temperature range  
TC = 25°C, RL = 2KΩ, ±0V step  
20  
30  
±2  
*
CAPACITIVE LOAD, unity gain  
CAPACITIVE LOAD, gain > 4  
SETTLING TIME to .±%  
±0  
SOA  
*
*
µF  
µs  
*
POWER SUPPLY  
VOLTAGE  
CURRENT, quiescent  
T = –55°C to +±25°C  
TCC = 25°C  
±±5  
±±50  
6
±±50  
8.5  
*
*
*
*
*
V
mA  
THERMAL  
RESISTANCE, AC, junction to case5  
RESISTANCE, DC, junction to case  
RESISTANCE, case to air  
F > 60Hz  
F < 60Hz  
4.26  
6.22  
30  
*
*
*
°C/W  
°C/W  
°C/W  
°C  
8.57  
+85  
*
*
TEMP. RANGE, case (PA83/PA83Aꢀ  
Meets full range specification  
–25  
*
NOTES:  
*
The specification of PA83A is identical to the specification for PA83 in applicable column to the left.  
±. 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 for all tests is the TYP rating, unless otherwise noted as a test condition.  
3. Doubles for every ±0°C of temperature increase.  
4. +V and –VS denote the positive and negative supply rail respectively. Total VS is measured from +VS to –VS.  
5. RaSting applies if the output current alternates between both output transistors at a rate faster than 60Hz.  
6. Signal slew rates at pins 5 and 6 must be limited to less than ±V/ns to avoid damage. When faster waveforms are unavoidable,  
resistors in series with those pins, limiting current to ±50mA will protect the amplifier from damage.  
The internal substrate contains beryllia (BeOꢀ. 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
PA83U  
P r o d u c t I n n o v a t i o n F r o m  
PA83 • PA83A  
POWER DERATING  
CURRENT LIMIT  
OUTPUT VOLTAGE SWING  
20  
17.5  
15  
8
7
6
5
250  
200  
150  
100  
12.5  
10  
= 25°C  
C
T
7.5  
5
4
= 85°C  
C
T
50  
0
3
2
2.5  
0
0
25  
50  
75  
100 125 150  
–55 –25  
0
25 50 75 100 125  
0
20  
40  
60  
80  
100 120  
TEMPERATURE, T (°C)  
CASE TEMPERATURE, TC (°C)  
OUTPUT CURRENT IO (mA)  
POWER RESPONSE  
| +VS | + | –VS | = 300V  
SMALL SIGNAL RESPONSE  
PHASE RESPONSE  
300  
0
–30  
–60  
–90  
120  
100  
80  
RL = 2KΩ  
RL = 2KΩ  
200  
RL = 2KΩ  
100  
60  
60  
40  
–120  
–150  
–180  
–210  
| +VS | + | –VS | = 100V  
20  
0
30  
15  
–20  
1
10 100 1K 10K 100K 1M 10M  
FREQUENCY, F (Hz)  
50K  
1
10 100 1K 10K .1M 1M 10M  
FREQUENCY, F (Hz)  
.1M  
.2M .3M .5M 1M  
.7M  
FREQUENCY, F (Hz)  
SLEW RATE VS. SUPPLY  
PULSE RESPONSE  
INPUT NOISE  
6
4
20  
1.6  
1.4  
RL = 2KΩ  
RL = 2KΩ  
15  
10  
1.2  
1.0  
.8  
2
0
6
4
–2  
–4  
–6  
.6  
VIN = ±5V, tr =100ns  
.4  
30 50  
2
–.5  
0
.5  
1
1.5 2.0 2.5 3.0  
.1M  
100  
150  
200  
250 300  
10  
100  
1K  
10K  
TIME, t (µs)  
TOTAL SUPPLY VOLTAGE, VS (V)  
FREQUENCY, F (Hz)  
COMMON MODE REJECTION  
POWER SUPPLY REJECTION  
COMMON MODE VOLTAGE  
300  
200  
140  
120  
140  
120  
100  
80  
| +VS | + | –VS | = 300V  
100  
80  
100  
60  
+VS  
–VS  
60  
60  
40  
40  
20  
0
| +VS | + | –VS | = 100V  
30  
15  
20  
0
1
10  
100 1K  
FREQUENCY, F (Hz)  
1M  
1
10  
100 1K 10K .1M 1M  
FREQUENCY, F (Hz)  
10K .1M  
10K 20K  
50K .1M .2M  
.5M 1M  
FREQUENCY, F (Hz)  
PA83U  
3
P r o d u c t I n n o v a t i o n F r o m  
PA83 • PA83A  
GENERAL  
±. The following capacitive and inductive loads are safe:  
PleasereadApplicationNote±"GeneralOperatingConsider-  
ations"whichcoversstability,supplies,heatsinking,mounting,  
currentlimit,SOAinterpretation,andspecificationinterpretation.  
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 contain a wealth of informa-  
tion 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  
currentversionofallApexPrecisionPowerproductdatasheets,  
visit www.Cirrus.com.  
±±S  
±50V  
±25V  
±00V  
75V  
C(MAX)  
.7 F  
2.0µF  
5.µF  
60µF  
ALL  
L(MAX)  
±.5H  
2.5H  
6.0H  
30H  
50V  
ALL  
2. Short circuits to ground are safe with dual supplies up to  
±20V or single supplies up to ±20V.  
3. Short circuits to the supply rails are safe with total supply  
voltages up to ±20V, e.g. ±60V.  
4. The output stage is protected against transient flyback.  
However, for protection against sustained, high energy  
flyback, external fast-recovery diodes should be used.  
SAFE OPERATING AREA (SOA)  
The bipolar output stage of this high voltage amplifier has  
two distinct limitations.  
INDUCTIVE LOADS  
Two external diodes as shown in Figure ±, are required  
to protect these amplifiers against flyback (kickbackꢀ pulses  
exceeding the supply voltages of the amplifier when driving  
inductiveloads. Forcomponentselection,theseexternaldiodes  
must be very quick, such as ultra fast recovery diodes with  
no more than 200 nanoseconds of reverse recovery time. Be  
sure the diode voltage rating is greater than the total of both  
supplies. The diode will turn on to divert the flyback energy  
into the supply rails thus protecting the output transistors from  
destruction due to reverse bias.  
±. The internal current limit, which limits maximum available  
output current.  
2. The second breakdown effect, which occurs whenever the  
simultaneous collector current and collector-emitter voltage  
SOA  
200  
150  
A note of caution about the supply.The energy of the flyback  
pulsemustbeabsorbedbythepowersupply.Asaresult,atran-  
sientwillbesuperimposedonthesupplyvoltage,themagnitude  
of the transient being a function of its transient impedance and  
current sinking capability. If the supply voltage plus transient  
exceeds the maximum supply rating or if the AC impedance  
of the supply is unknown, it is best to clamp the output and the  
supply with a zener diode to absorb the transient.  
INTERNAL CURRENT LIMIT  
100  
t = 0.5ms  
SECOND BREAKDOWN  
t = 1ms  
70  
t = 5ms  
steady state  
50  
+VS  
40  
30  
20  
80  
100  
120  
150  
200  
300  
250  
INTERNAL VOLTAGE DROP, SUPPLY TO OUTPUT (V)  
–VS  
exceed specified limits.  
FIGURE 1. PROTECTION, INDUCTIVE LOAD  
The SOA curves combine the effect of these limits. For a  
given application, the direction and magnitude of the output  
currentshouldbecalculatedormeasuredandcheckedagainst  
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:  
4
PA83U  
P r o d u c t I n n o v a t i o n F r o m  
PA83 • PA83A  
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 nd 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.  
PA83U  
5
配单直通车
PA83A产品参数
型号:PA83A
是否Rohs认证: 符合
生命周期:Transferred
IHS 制造商:CIRRUS LOGIC INC
零件包装代码:TO-204AA
包装说明:, CAN8/9,.5FL
针数:2
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.33.00.01
风险等级:5.27
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.00001 µA
25C 时的最大偏置电流 (IIB):0.00001 µA
标称共模抑制比:130 dB
频率补偿:YES
最大输入失调电压:1000 µV
JESD-30 代码:O-CBFM-P8
JESD-609代码:e3
低-偏置:YES
低-失调:NO
负供电电压上限:-150 V
标称负供电电压 (Vsup):-150 V
功能数量:1
端子数量:8
最高工作温度:125 °C
最低工作温度:-55 °C
封装主体材料:CERAMIC, METAL-SEALED COFIRED
封装等效代码:CAN8/9,.5FL
封装形状:ROUND
封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED
功率:YES
电源:+-15/+-150 V
认证状态:Not Qualified
最小摆率:20 V/us
标称压摆率:30 V/us
子类别:Operational Amplifiers
最大压摆率:8.5 mA
供电电压上限:150 V
标称供电电压 (Vsup):150 V
表面贴装:NO
技术:BIPOLAR
温度等级:MILITARY
端子面层:MATTE TIN
端子形式:PIN/PEG
端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED
标称均一增益带宽:5000 kHz
最小电压增益:63000
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