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參數資料
| 型號： | PA15 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 運算放大器 |
| 英文描述： | HIGH VOLTAGE POWER OPERATIONAL AMPLIFIERS |
| 中文描述： | 高壓功率運算放大器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 183K |
| 代理商： | PA15 |
APEX MICROTECHNOLOGY CORPORATION
TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
FEATURES
HIGH VOLTAGE — 450V (
±
225V)
LOW COST
LOW QUIESCENT CURRENT — 3.0mA MAX
HIGH OUTPUT CURRENT — 200mA
PROGRAMMABLE CURRENT LIMIT
APPLICATIONS
PIEZOELECTRIC POSITIONING
HIGH VOLTAGE INSTRUMENTATION
ELECTROSTATIC TRANSDUCERS
PROGRAMMABLE POWER SUPPLIES UP TO 440V
DESCRIPTION
The PA15 is a high voltage, low quiescent current MOSFET
operational amplifier designed as a low cost solution for driving
continuous output currents up to 200mA and pulse currents up
to 350mA into capacitive loads. The safe operating area (SOA)
has no second breakdown limitations and can be observed for
all type loads by choosing an appropriate current limiting
resistor. The MOSFET input stage has integrated static and
differential mode protection. The MOSFET output stage is
biased AB for linear operation. External compensation pro-
vides flexibility in choosing bandwidth and slew rate for the
application. The 10-pin power SIP package is electrically
isolated.
EQUIVALENT SCHEMATIC
Q1
Q2
6
1
2
5
9
8
10
7
R1 R2
C1
R3
Q3
CC1
CC2
Q6
Q5
R5
R8
R9
Q15
R11
R12
Q16
Q12
Q8
R4
R7
Q4
ILIM
OUT
Q14
R10
Q13
Q11
+V
S
–IN
+IN
–V
S
R6
LOW POWER, PIEZOELECTRIC POSITIONING
Piezo positioning may be applied to the focusing of seg-
mented mirror systems. The composite mirror may be com-
posed of hundreds of elements, each requiring focusing under
computer control. In such complex systems the PA15 reduces
the costs of power supplies and cooling with its advantages of
low cost and low quiescent power consumption while increas-
ing circuit density with the SIP package.
EXTERNAL CONNECTIONS
PACKAGE: SIP 02
F
R
PA15
IN
R
PIEZO DRIVE
S
–V
S
+V
OUT
V
COMPUTER
FOCUS
COMMAND
VOLTAGE
CL
R
10
7
5
2
1
6
R
CL
C
C
1
2
3
4
5
6
7
8
9
10
–IN
+IN
NC
–V
+V
C
C1
I
LIM
C
C2
R
C
OUT
NC
S
S
PHASE COMPENSATION
GAIN
≥
1
≥
10
C
C
33pf
OPEN
R
C
1K
OPEN
R
CL
=
.6
I
CL
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
M I C R O T E C H N O L O G Y
HIGH VOLTAGE POWER OPERATIONAL AMPLIFIERS
PA15 PA15A
TYPICAL APPLICATION
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