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MICROTECHNOLOGY
POWER OPERATIONAL AMPLIFIERS
PA10 • PA10A
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
FEATURES
• GAIN BANDWIDTH PRODUCT — 4MHz
• TEMPERATURE RANGE — –55 to +125° C (PA10A)
• EXCELLENT LINEARITY — Class A/B Output
• WIDE SUPPLY RANGE — ±10V to ±50V
• HIGH OUTPUT CURRENT — ±5A Peak
APPLICATIONS
• MOTOR, VALVE AND ACTUATOR CONTROL
• MAGNETIC DEFLECTION CIRCUITS UP TO 4A
• POWER TRANSDUCERS UP TO 100kHz
• TEMPERATURE CONTROL UP TO 180W
• PROGRAMMABLE POWER SUPPLIES UP TO 90V
• AUDIO AMPLIFIERS UP TO 60W RMS
DESCRIPTION
The PA10 and PA10A are high voltage, high output current
operational amplifiers designed to drive resistive, inductive and
capacitive loads. For optimum linearity, the output stage is
biased for class A/B operation. The safe operating area (SOA)
can be observed for all operating conditions by selection of user
programmable current limiting resistors. Both amplifiers are
internally compensated for all gain settings. For continuous
operation under load, a heatsink of proper rating is recom-
mended.
This hybrid integrated circuit utilizes thick film (cermet)
resistors, ceramic capacitors and semiconductor chips to maxi-
mize reliability, minimize size and give top performance. Ultra-
sonically bonded aluminum wires provide reliable interconnec-
tions at all operating temperatures. The 8-pin TO-3 package is
hermetically sealed and electrically isolated. The use of com-
pressible isolation washers voids the warranty.
EQUIVALENT SCHEMATIC
3
D1
Q1
Q2A
Q2B
2
Q3
4
A1
5 C1
6
Q4
Q5
Q6B
Q6A
1
7
8
TYPICAL APPLICATION
R2A
+42V
R1A .82
PA10
CONTROL
R1B
–42V
.82
RS
R2B
LOAD
0-24
FIGURE 1. VOLTAGE-TO-CURRENT CONVERSION
DC and low distortion AC current waveforms are delivered
to a grounded load by using matched resistors (A and B
sections) and taking advantage of the high common mode
rejection of the PA10.
Foldover current limit is used to modify current limits based
on output voltage. When load resistance drops to 0, the current
is limited based on output voltage. When load resistance
drops to 0, the current limit is 0.79A resulting in an internal
dissipation of 33.3 W. When output voltage increases to 36V,
the current limit is 1.69A. Refer to Application Note 9 on
foldover limiting for details.
EXTERNAL CONNECTIONS
+VS
3
CL+
2
OUT
1
+IN 4
TOP VIEW
R CL+
IN 5
6
VS
7
FO
8
CL
R CL
OUTPUT
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com

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PA10 PA10A
ABSOLUTE MAXIMUM RATINGS
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
SUPPLY VOLTAGE, +VS to VS
OUTPUT CURRENT, within SOA
100V
5A
POWER DISSIPATION, internal
67W
INPUT VOLTAGE, differential
INPUT VOLTAGE, common mode
TEMPERATURE, pin solder - 10s
±VS 3V
±VS
300°C
TEMPERATURE, junction1
200°C
TEMPERATURE RANGE, storage
65 to +150°C
OPERATING TEMPERATURE RANGE, case 55 to +125°C
SPECIFICATIONS
PARAMETER
TEST CONDITIONS 2, 5
INPUT
OFFSET VOLTAGE, initial
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
OFFSET CURRENT, vs. temperature
INPUT IMPEDANCE, DC
INPUT CAPACITANCE
COMMON MODE VOLTAGE RANGE3
COMMON MODE REJECTION, DC3
GAIN
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
Full temperature range
Full temp. range, VCM = ±VS 6V
OPEN LOOP GAIN at 10Hz
OPEN LOOP GAIN at 10Hz
GAIN BANDWIDTH PRODUCT @ 1MHz
POWER BANDWIDTH
PHASE MARGIN
TC = 25°C, 1Kload
Full temp. range, 15load
TC = 25°C, 15load
TC = 25°C, 15load
Full temp. range, 15load
OUTPUT
VOLTAGE SWING3
VOLTAGE SWING3
VOLTAGE SWING3
CURRENT, peak
SETTLING TIME to .1%
SLEW RATE
CAPACITIVE LOAD
CAPACITIVE LOAD
CAPACITIVE LOAD
POWER SUPPLY
TC = 25°C, IO = 5A
Full temp. range, IO = 2A
Full temp. range, IO = 80mA
TC = 25°C
TC = 25°C, 2V step
TC = 25°C
Full temperature range, AV = 1
Full temperature range, AV = 2.5
Full temperature range, AV > 10
VOLTAGE
CURRENT, quiescent
THERMAL
Full temperature range
TC = 25°C
RESISTANCE, AC, junction to case4
RESISTANCE, DC, junction to case
RESISTANCE, junction to air
TEMPERATURE RANGE, case
TC = 55 to +125°C, F > 60Hz
TC = 55 to +125°C
TC = 55 to +125°C
Meets full range specifications
PA10
PA10A
MIN TYP MAX MIN TYP MAX UNITS
±VS5
74
±2
±10
±30
±20
12
±50
.±10
±12
±50
200
3
±VS3
100
±6
±65
±200
30
±500
±30
*
*
±1 ±3 mV
* ±40 µV/°C
* * µV/V
* µVW
10 20 nA
* * pA/°C
* pA/V
±5 ±10 nA
* pA/°C
* M
* pF
*V
* dB
110
96 108
4
10 15
20
*
**
*
**
*
dB
dB
MHz
kHz
°
±VS8
±VS6
±VS5
5
2
±VS5
2
3
±VS6
*
*
*
.68
10
SOA
*
*
*
*
V
V
V
A
µs
V/µs
* nF
* nF
* nF
±10 ±40 ±45
8 15 30
*
*
* ±50 V
* * mA
1.9 2.1
* * °C/W
2.4 2.6
* * °C/W
30 * °C/W
25
+85 55
+125 °C
NOTES: *
1.
2.
3.
4.
5.
The specification of PA10A is identical to the specification for PA10 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.
The power supply voltage for all tests is ±40, unless otherwise noted as a test condition.
+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 60Hz.
Full temperature range specifications are guaranteed but not tested.
CAUTION
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.
APEX MICROTECHNOLOGY CORPORATION 5980 NORTH SHANNON ROAD TUCSON, ARIZONA 85741 USA APPLICATIONS HOTLINE: 1 (800) 546-2739

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TYPICAL PERFORMANCE
GRAPHS
PA10 PA10A
POWER DERATING
70
60
T = TC
50
40
30
PA10 PA10A
20
10 T = TA
0
0 20 40 60 80 100 120 140
TEMPERATURE, T (°C)
SMALL SIGNAL RESPONSE
120
100
80
60
40
20
0
20
1
10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
BIAS CURRENT
2.5
2.2
1.9
1.6
1.3
1.0
.7
.4
50 25 0 25 50 75 100 125
CASE TEMPERATURE, TC (°C)
PHASE RESPONSE
0
30
60
90
120
150
180
210
0 10 100 1K 10K .1M 1M 10M
FREQUENCY, F (Hz)
CURRENT LIMIT
3.5
3.0
2.5 R CL = 0.3
2.0
1.5 R CL = 0.6
1.0
.5
0
50 25 0 25 50 75 100 125
CASE TEMPERATURE, TC (°C)
POWER RESPONSE
100
|+VS | + |VS | = 100V
68
46 |+VS | + |VS | = 80V
32
22
15 |+VS | + |VS | = 30V
10
6.8
4.6
10K
20K 30K 50K 70K .1M
FREQUENCY, F (Hz)
COMMON MODE REJECTION
120
100
80
60
40
20
0
0 10 100 1K 10K .1M 1M
FREQUENCY, F (Hz)
HARMONIC DISTORTION
3
AV =10
1 VS = ±38V
R L =8
.3
.1
.03
=
PO
50mW
=
PO
2W
.01
= 60W
PO
.003
100 300 1K 3K 10K 30K .1M
FREQUENCY, F (Hz)
PULSE RESPONSE
8
6 VIN = ±5V, t r = 100ns
4
2
0
2
4
6
8
0 2 4 6 8 10 12
TIME, t (µs)
QUIESCENT CURRENT
1.6
1.4 TC = -25°C
1.2
1.0 TC = 25°C
TC = 85°C
.8
.6 TC = 125°C
.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 TC = 25°C
4 VO TC = 25 to 85°C
3
2
+VO TTCC==2255°toC85°C
1
01234 5
OUTPUT CURRENT, I O (A)
APEX MICROTECHNOLOGY CORPORATION TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com