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PDF PA02A Data sheet ( Hoja de datos )
| Número de pieza | PA02A | |
| Descripción | POWER OPERATIONAL AMPLIFIERS | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PA02A (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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MICROTECHNOLOGY
POWER OPERATIONAL AMPLIFIERS
PA02 • PA02A
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739
FEATURES
• HIGH POWER BANDWIDTH — 350kHz
• HIGH SLEW RATE — 20V/µs
• FAST SETTLING TIME — 600ns
• LOW CROSSOVER DISTORTION — Class A/B
• LOW INTERNAL LOSSES — 1.2V at 2A
• HIGH OUTPUT CURRENT — ±5A PEAK
• LOW INPUT BIAS CURRENT — FET Input
• ISOLATED CASE — 300 VDC
APPLICATIONS
• MOTOR, VALVE AND ACTUATOR CONTROL
• MAGNETIC DEFLECTION CIRCUITS UP TO 5A
• POWER TRANSDUCERS UP TO 350 kHz
• AUDIO AMPLIFIERS UP TO 30W RMS
DESCRIPTION
The PA02 and PA02A are wideband, high output current
operational amplifiers designed to drive resistive, inductive
and capacitive loads. Their complementary “collector output”
stage can swing close to the supply rails and is protected
against inductive kickback. 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
(down to 10mA). Both amplifiers are internally compensated
but are not recommended for use as unity gain followers. For
continuous operation under load, mounting on a heatsink of
proper rating is recommended.
These hybrid integrated circuits utilize thick film (cermet)
resistors, ceramic capacitors and semiconductor chips to
maximize reliability, minimize size and give top performance.
Ultrasonically bonded aluminum wires provide reliable inter-
connections at all operating temperatures. The 8-pin TO-3
package is hermetically sealed and electrically isolated.
Isolation washers are not recommended. The use of com-
pressible thermal washers and/or improper mounting torque
will void the product warranty. Please see “General Operat-
ing Considerations”.
EQUIVALENT SCHEMATIC
2
R1
R2
R4
R3
Q2
R5
6
A1
5
R8
Q7
R9 R10
R12
R11
7
Q1
R6
R7
Q3
Q4
R15
Q5
Q6
R13 R14
Q8
D1
1
3
4
8
D2
TYPICAL APPLICATION
Vehicular Sound System Power Stage
100K
.47µF 16K
+12 RCL+
.27Ω
1K
IN .001µF
.47µF
16K
PA02
RCL–
.27 Ω
–12
3.2Ω
16W
LOW INTERNAL LOSS MAXIMIZES EFFICIENCY
When system voltages are low and power is at a premium,
the PA02 is a natural choice. The circuit above utilizes not only
the feature of low internal loss of the PA02, but also its very low
distortion level to implement a crystal clear audio amplifier
suitable even for airborne applications. This circuit uses AC
coupling of both the input signal and the gain circuit to render
DC voltage across the speaker insignificant. The resistor and
capacitor across the inputs form a stability enhancement
network. The 0.27 ohm current limit resistors provide protec-
tion in the event of an output short circuit.
EXTERNAL CONNECTIONS
+VS
OUT 3
2
4
OUT
5
–IN
TOP VIEW
6
+IN
7
–VS
CL+
1
8
CL–
RCL+
RCL–
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL [email protected]
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PA02A.PDF ] | |
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