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參數資料
| 型號： | PA92 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER |
| 中文描述： | 高壓功率運算放大器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 59K |
| 代理商： | PA92 |
APEX MICROTECHNOLOGY CORPORATION
TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
FEATURES
HIGH VOLTAGE — 400V (
±
200V)
LOW QUIESCENT CURRENT — 10mA
HIGH OUTPUT CURRENT — 4A
PROGRAMMABLE CURRENT LIMIT
APPLICATIONS
PIEZOELECTRIC POSITIONING
HIGH VOLTAGE INSTRUMENTATION
ELECTROSTATIC TRANSDUCERS
PROGRAMMABLE POWER SUPPLIES UP TO 390V
DESCRIPTION
The PA92 is a high voltage, low quiescent current MOSFET
operational amplifier designed as a low cost solution for driving
continuous output currents up to 4A and pulse currents up to
7A. 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 output
stage is biased AB for linear operation. External compensation
provides flexibility in choosing bandwidth and slew rate for the
application. APEX’s Power SIP package uses a minimum of
board space allowing for high density circuit boards.
EQUIVALENT SCHEMATIC
Q1
Q2
R1 R2
C1
R3
Q3
CC1
12
11
+V
S
1
4
5
9
6
10
2
7
8
CC2
3
I
Q
Q6
Q5
R5
R8
R9
Q15
R11
R12
Q16
Q12
Q8
R4
R7
Q4
ILIM
OUT
Q14
R10
Q13
Q11
–
IN
+IN
–
V
S
R6
LOW POWER, PIEZOELECTRIC POSITIONING
TYPICAL APPLICATION
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 PA92 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.
PHASE COMPENSATION
GAIN
Cc*
Rc
≥
1
150pF
100
100
0
0
10pF
≥
12
*Cc Never to be < 10pF. Cc To be rated for the full supply
voltage +V to
–
Vs. Use ceramic NPO (COG) type.
F
R
PA92
IN
R
1
2
6
7,8
9,10
11,12
PIEZO DRIVE
S
–
V
S
+V
OUT
V
COMPUTER
FOCUS
COMMAND
VOLTAGE
CL
R
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 AMPLIFIER
PA92
100pF
47pF
≥
2
≥
3
1
2
3
4
5
6
7
8
9
10
–
IN
+IN
R
CL
+Vs
–
Vs
TO LOAD
AND FEEDBACK
11
12
Rc
Cc
*
*
(See text.)
* Bypassing required.
I
Q
EXTERNAL CONNECTIONS
Package: SIP03
PATENTED
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| PA9226 | 功能描述:FERRULE WIRE 20AWG UNINSUL 100PC RoHS:是 類別:連接器，互連式 >> 接線座 - 配件 - 導線金屬環 系列:- 標準包裝:100 系列:AI 類型:單導線，絕緣 樣式:- 尺寸:24 AWG（0.25mm²） 長度 - 總體:10.50mm 長度 - 引腳:6.00mm 顏色:藍 其它名稱:AI0,25-6BU |
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