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參數(shù)資料
| 型號(hào)： | PA140 |
| 廠商： | Apex Microtechnology Corporation |
| 英文描述： | HIGH VOLTAGE POWER OPERATIONAL AMPLIFIER |
| 中文描述： | 高壓功率運(yùn)算放大器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 85K |
| 代理商： | PA140 |
APEX MICROTECHNOLOGY CORPORATION TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
FEATURES
MONOLITHIC MOS TECHNOLOGY
LOW COST
HIGH VOLTAGE OPERATION—350V, 250V DERATE
LOW QUIESCENT CURRENT—2mA
NO SECOND BREAKDOWN
HIGH OUTPUT CURRENT—120 mA PEAK
APPLICATIONS
TELEPHONE RING GENERATOR
PIE
ZO ELECTRIC POSITIONING
ELECTROSTATIC TRANSDUCER & DEFLECTION
DEFORMABLE MIRROR FOCUSING
PACKAGING OPTIONS
7TO-220 Plastic Package (PA140CD)
7TO-220 with staggered Lead Form (PA140CX)
7 DDPAK Surface Mount Package (PA140CC)
DESCRIPTION
The PA140 is a high voltage monolithic MOSFET operational
amplifier achieving performance features previously found
only in hybrid designs while increasing reliability. Inputs are
protected from excessive common mode and differential
mode voltages. The safe operating area (SOA) has no second
breakdown limitations. External compensation provides the
user flexibility in choosing optimum gain and bandwidth
for the application.
The PA140 is packaged in three standard package designs.
The surface mount version of the PA140, the PA140CC, is
an industry standard non-hermetic plastic 7-pin DDPAK. The
through hole versions of the PA140, the PA140CD, and the
PA140CX, are industry standard non-hermetic plastic 7-pin
TO-220 packages. The PA140CX is a staggered lead formed
PA140CD and offers industry standard 100 mil spacing,
this allows for easier PC board layout. (Please reference
to the lead form datasheet drawing LF005 for package
dimensions of the PA140CX.)
High voltage considerations should be taken when designing
board layouts for the PA140. The PA140CD may require a
derate in supply voltage depending on the spacing used for
board layout. The 15-mil and 14-mil minimum spacing of the
7TO-220 and 7DDPAK respectively is adequate to standoff
the 350V rating of the PA140. However, a supply voltage
derate to 250V is required if the spacing of circuit board
artwork is less than 11 mils. In cases where the PA140
is used to it's maximum voltage rating, the PA140BP is
recommended given that the staggered lead form allows for
100-mil standard spacing.
The monolithic amplifier is directly attached to the metal
tabs of the PA140CC, PA140CD, and PA140CX. The metal
tabs are directly tied to -V
The PA140 is set for a gain of 38.5 boosting the 2.33V signal
to 90V. The recommended compensation for gains above 30
is used. If capacitive loading is at least 330pF at all times, the
recommended snubber network may be omitted.
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
PA140
A1
PA140
A2
PA140
20R
PIEZO
TRANSDUCER
20R
Rn
20R
Cn
R
V
IN
–
175
+175
–
175
+175
2.2K
10pF
10pF
330pF
330pF
100
100
2.2K
LOW COST 660V p-p
PIEZO DRIVE
TYPICAL APPLICATON
Ref Application Note 31 "Basic Op Amp Theory and Practice"
EXTERNAL CONNECTIONS
PA140CC
-
+
+
-
O
C
C
-
+
+
-
O
C
C
-
+
+
-
O
C
C
PA140CD
PA140CX
PHASE
COMPENSATION
Gain C
R
1 18pF 2.2K
10 10pF 2.2K
30 3.3pF 2.2K
C ,C ARE RATED
FOR FULL SUPPLY VOLTAGE.
C is NPO
3
R
CL
I
LIM
=
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