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參數(shù)資料
| 型號： | PB51A |
| 英文描述： | Operational Amplifier |
| 中文描述： | 運(yùn)算放大器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 71K |
| 代理商： | PB51A |
APEX MICROTECHNOLOGY CORPORATION
TELEPHONE (520) 690-8600 FAX (520) 888-3329 ORDERS (520) 690-8601 EMAIL prodlit@apexmicrotech.com
FEATURES
WIDE SUPPLY RANGE — ±15V to ±150V
HIGH OUTPUT CURRENT —
1.5A Continuous (PB51), 2.0A Continuous (PB51A)
VOLTAGE AND CURRENT GAIN
HIGH SLEW — 50V/μs Minimum (PB51)
75V/μs Minimum (PB51A)
PROGRAMMABLE OUTPUT CURRENT LIMIT
HIGH POWER BANDWIDTH — 320 kHz Minimum
LOW QUIESCENT CURRENT — 12mA Typical
EVALUATION KIT —
EK29
APPLICATIONS
HIGH VOLTAGE INSTRUMENTATION
ELECTROSTATIC TRANSDUCERS & DEFLECTION
PROGRAMMABLE POWER SUPPLIES UP TO 280V P-P
DESCRIPTION
The PB51 is a high voltage, high current amplifier designed
to provide voltage and current gain for a small signal, general
purpose op amp. Including the power booster within the
feedback loop of the driver amplifier results in a composite
amplifier with the accuracy of the driver and the extended
output voltage range and current capability of the booster.
The PB51 can also be used without a driver in some
applications, requiring only an external current limit resistor
to function properly.
The output stage utilizes complementary MOSFETs,
providing symmetrical output impedance and eliminating
second breakdown limitations imposed by Bipolar Transistors.
Internal feedback and gainset resistors are provided for a
pin-strapable gain of 3. Additional gain can be achieved with
a single external resistor. Compensation is not required for
most driver/gain configurations, but can be accomplished with
a single external capacitor. Enormous flexibility is provided
through the choice of driver amplifier, current limit, supply
voltage, voltage gain, and compensation.
This hybrid circuit utilizes a beryllia (BeO) substrate, 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 12-pin
Power SIP package is electrically isolated.
TYPICAL APPLICATION
EQUIVALENT SCHEMATIC
EXTERNAL CONNECTIONS
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
POWER OPERATIONAL AMPLIFIERS
PB51 PB51A
OP
AMP
PB51
C
F
R
F
V
IN
R
I
+15V
–15V
IN
COM
+Vs
–Vs
R
CL
OUT
C
C
R
G
R
L
FIGURE 1. INVERTING COMPOSITE AMPLIFIER.
Q1
Q4
Q2
Q3
Q5
Q6
Q7
8
12
9
11
5
2
6
1
Q8
Q10
Q9
Q11
3.1K
IN
COM
CC
GAIN
ILIM
OUT
+V
S
–V
S
IN
COM
NC
NC
C
C
R
CL
R
G
NC
NC
OUT
+V
S
–V
S
1
2
3
4
5
6
7
8
9
10
11
12
PACKAGE: SIP03
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