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Details, datasheet, quote on part number:PA88A
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| Part: | PA88A |
| Category: | Analog & Mixed-Signal Processing => Amplifiers => Audio/Power Amplifiers |
| Description: | High Voltage Power op Amp |
| Company: | Apex Microtechnology Corporation |
| Datasheet: | Download PA88A datasheet File size : 114 kB |
| Request For quote: | Find where to buy PA88A
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Datasheet text preview:
HIGH VOLTAGE POWER OPERATIONAL AMPLIFIERS
PA88 · PA88A
MICROTECHNOLOGY
HTTP://WWW.APEXMICROTECH.COM
(800) 546-APEX
(800) 546-2739
FEATURES
· · · · · HIGH VOLTAGE -- 450V (±225V) LOW QUIESCENT CURRENT -- 2mA HIGH OUTPUT CURRENT -- 100mA PROGRAMMABLE CURRENT LIMIT LOW BIAS CURRENT -- FET Input
PATENTED
APPLICATIONS
· · · · PIEZOELECTRIC POSITIONING HIGH VOLTAGE INSTRUMENTATION ELECTROSTATIC TRANSDUCERS PROGRAMMABLE POWER SUPPLIES UP TO 440V
TYPICAL APPLICATION
RF
DESCRIPTION
The PA88 is a high voltage, low quiescent current MOSFET operational amplifier designed for output currents up to 100mA. Output voltages can swing up to ±215V with a dual supply and up to +440 volts with a single supply. The safe operating area (SOA) has no second breakdown limitations and can be observed with all types of loads by choosing an appropriate current limiting resistor. High accuracy is achieved with a cascode input circuit configuration. All internal biasing is referenced to a bootstrapped zener-MOSFET current source. As a result, the PA88 features an unprecedented supply range and excellent supply rejection. The MOSFET output stage is biased on for linear operation. External compensation provides user flexibility. This hybrid circuit utilizes beryllia (BeO) substrates, thick film resistors, ceramic capacitors and semiconductor chips to maximize reliability, minimize size and give top performance. Ultrasonically bonded aluminum wires provide reliable interconnections at all operating temperatures. The 8-pin TO-3 package is hermetically sealed and electrically isolated. The use of compressible thermal isolation washers and/or improper mounting torque will void the product warranty. Please see "General Operating Considerations".
+V S CC
R IN PIEZO DRIVE PA88 COMPUTER FOCUS COMMAND VOLTAGE V S V OUT
LOWPOWER,PIEZOELECTRICPOSITIONING Piezo positioning may be applied to the focusing of segmented mirror systems. The composite mirror may be composed of hundreds of elements, each requiring focusing under computer control. In such complex systems the PA88's advantage of low quiescent power consumption reduces the costs of power supplies and cooling, while providing the interface between the computer and the high voltage drive to the piezo positioners.
EQUIVALENT SCHEMATIC
D1 Q1 Q2 Q4 D19 COMP 7 8 IN 5 Q6 Q7 + IN 4 Q9 CL 2 3 +VS
EXTERNAL CONNECTIONS
+Vs CL R CL PHASE COMPENSATION GAIN CC 68pf 33pf 15pf 3.3pf RC 100 100 100 --
3
2 1 OUT
Q8
+IN 4 TOP VIEW IN
1 10 20 100
Q12 Q11
5 6
Vs
8 7
COMP RC
COMP CC R C L = .7 ILIM
Q10A
Q10B Q17
1 OUT
Q13 Q16 D2
Q18
CC RATED FOR FULL SUPPLY VOLTAGE
VS 6
APEX MICROTECHNOLOGY CORPORATION · TELEPHONE (520) 690-8600 · FAX (520) 888-3329 · ORDERS (520) 690-8601 · EMAIL prodlit@apexmicrotech.com
PA88 · PA 88A
ABSOLUTE MAXIMUM RATINGS
SUPPLY VOLTAGE, +VS to VS OUTPUT CURRENT, source, sink POWER DISSIPATION, continuous @ TC = 25°C INPUT VOLTAGE, differential INPUT VOLTAGE, common mode TEMPERATURE, pin solder - 10s max TEMPERATURE, junction2 TEMPERATURE, storage OPERATING TEMPERATURE RANGE, case PA88 TEST CONDITIONS
1
ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS
450V See SOA 15W ± 25V ± VS 300°C 150°C 65 to +150°C 55 to +125°C PA88A
SPECIFICATIONS
PARAMETER INPUT OFFSET VOLTAGE, initial OFFSET VOLTAGE, vs. temperature OFFSET VOLTAGE, vs. supply OFFSET VOLTAGE, vs. time BIAS CURRENT, initial3 BIAS CURRENT, vs. supply OFFSET CURRENT, initial3 INPUT IMPEDANCE, DC INPUT CAPACITANCE COMMON MODE VOLTAGE RANGE4 COMMON MODE REJECTION, DC NOISE GAIN OPEN LOOP, @ 15Hz GAIN BANDWIDTH PRODUCT at 1MHz POWER BANDWIDTH PHASE MARGIN OUTPUT VOLTAGE SWING4 VOLTAGE SWING4 VOLTAGE SWING4 CURRENT, continuous SLEW RATE, AV = 20 SLEW RATE, AV = 100 CAPACITIVE LOAD, AV = +1 SETTLING TIME to .1% RESISTANCE, no load POWER SUPPLY VOLTAGE6 CURRENT, quiescent, THERMAL RESISTANCE, AC, junction to case5 RESISTANCE, DC, junction to case RESISTANCE, junction to air TEMPERATURE RANGE, case NOTES: * 1. 2. 3. 4. 5. 6. Full temperature range, F > 60Hz Full temperature range, F < 60Hz Full temperature range Meets full range specifications See note 6 ± 15 IO = ±100mA Full temp. range, IO = ±75mA Full temp. range, IO = ±20mA TC = 85°C CC = 15pf, RC = 100 CC = OPEN Full temperature range CC = 15pf, RC = 100, 2V step RCL = 0 RL = 2K, CC = OPEN RL = 2K, CC = 15pf, RC = 100 RL = 2K, CC = 15pf, RC = 100 Full temperature range 96 Full temperature range MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VCM = ±90V 100kHz BW, RS = 1K, CC = 15pf
± VS12 90
.5 10 1 75 5 .01 2.5 1011 4 110 2 111 2.1 6 60
2 30 5 50 100 * *
.25 5 * * 3 * 3 * * * * * * * * * * * * * * * *
.5 10 * 10 20
mV µV/°C µV/V µV/kh pA pA/V pA pF V dB µVrms dB MHz kHz ° V V V mA V/µs V/µs pf µs
*
± VS12 ± VS9.8 ± VS8.5 ± VS7.5 ± VS8.0 ± VS5.2 ± 100 8 30 470 10 100 ± 200 1.7 ± 225 2 5.0 8.3 30 25 +85
* * *
*
*
* *
* * * *
V mA °C/W °C/W °C/W °C
* * *
The specification of PA88A is identical to the specification for PA88 in applicable column to the left. Unless otherwise noted: TC = 25°C, compensation = CC = 68pF, RC = 100. DC input specifications are ± value given. Power supply voltage is typical rating. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to achieve high MTTF. Doubles for every 10°C of temperature increase. +VS and VS denote the positive and negative power supply rail respectively. Rating applies if the output current alternates between both output transistors at a rate faster than 60Hz. Derate max supply rating .625 V/°C below 25°C case. No derating needed above 25°C case. The PA88 is constructed from MOSFET transistors. ESD handling procedures must be observed. 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
APEX MICROTECHNOLOGY CORPORATION · 5980 NORTH SHANNON ROAD · TUCSON, ARIZONA 85741 · USA · APPLICATIONS HOTLINE: 1 (800) 546-2739
TYPICAL PERFORMANCE GRAPHS
PA88 · PA88A
PHASE RESPONSE
0 30 2.5
INTERNAL POWER DISSIPATION, P(W)
15
POWER DERATING
QUIESCENT CURRENT
QUIESCENT CURRENT, I Q (mA)
12.5 T = TC
C C = 3.3pF
2.25 2.0 1.75 1.5 1.25 1.0
TC = 12
PHASE, (°)
10 7.5 5 2.5 0 0 25 50 75 100 125 TEMPERATURE, T (°C) 150 T = TA
60 90
5°C
C C = 33pF C C = 68pF
C C = 68pF
120 150 180 210 1 C C = 33pF C C = 3.3pF 10 100 1K 10K .1M 1M 10M FREQUENCY, F (Hz)
°C TC = 25 5°C TC = -5
450 0 100 300 200 TOTAL SUPPLY VOLTAGE, VS (V)
120
SMALL SIGNAL RESPONSE
VOLTAGE DROP FROM SUPPLY, V S VO (V)
12 10 8
OUTPUT VOLTAGE SWING
500
POWER RESPONSE
OUTPUT VOLTAGE, VO (VPP )
CC
OPEN LOOP GAIN, A (dB)
5°
100 80 60 40 20 0 20 1 10 100 1K 10K .1M 1M 10M FREQUENCY, F (Hz) C C = 33pF C C = 68pF C C = 3.3pF C C = 15pF
C
T
TC
T C=
=
C
85
=
°C
12
CC
=
250
CC =
3.3
CC =
= 15 pf
33
pf
25°
C
68
pf
6
TC = 55°C
125 100 75 50
pf
4 2 0 100 60 20 40 80 OUTPUT CURRENT, I O (mA)
25 1K
50K 100K 2K 3K 5K 10K 20K FREQUENCY, F (Hz)
INPUT NOISE VOLTAGE, VN (nV/ Hz)
SLEW RATE
50 30 10 1
HARMONIC DISTORTION
R L = 2K P O = 2.5W AV = 30
20 15 10 7 5
INPUT NOISE
SLEW RATE, (V/ µ S)
DISTORTION, (%)
20 10 5 3 2 1 0 10 20 30 40 50 60 70 COMPENSATION CAPACITOR, CC (pF)
.1 .01 .001
3 2 10
.0001 3 30 300 3K FREQUENCY, F (Hz) 30K
100 1K 10K FREQUENCY, F (Hz)
1M
COMMON MODE REJECTION, CMR (dB)
POWER SUPPLY REJECTION, PSR (dB)
COMMON MODE REJECTION
120 100 80 60 40 20
POWER SUPPLY REJECTION
140 120 100 80 60 40 20 1 10 100 1K 10K .1M FREQUENCY, F (Hz) 1M 200
CURRENT LIMIT
CURRENT LIMIT, I LIM (mA)
120 100 70 50 30 20 10 50 35 10 20 100 150 CURRENT LIMIT RESISTOR, RCL ( )
1
10
100 1K 10K .1M FREQUENCY, F (Hz)
1M
APEX MICROTECHNOLOGY CORPORATION · TELEPHONE (520) 690-8600 · FAX (520) 888-3329 · ORDERS (520) 690-8601 · EMAIL prodlit@apexmicrotech.com
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