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FEATURES
• RoHS COMPLIANT
• LOW COST
• WIDE BANDWIDTH - 1.1 Mhz
• HIGH OUTPUT CURRENT - 1A per amplifier
• WIDE COMMON MODE RANGE Includes negative supply
• WIDE SUPPLY VOLTAGE RANGE Single supply: 5V to
40V Split supplies: ± 2.5V to ± 20V
• LOW QUIESCIENT CURRENT
• VERY LOW DISTORTION
APPLICATIONS
12-pin SIP
PACKAGE STYLE EU
20-pin PSOP
PACKAGE STYLE DK
mil spacing. The heat tab of EU package is tied to -VS. The
surface mount version of the PA60, the PA60DK, is available
in a 20-Pin PSOP, JEDEC MO-166-AB package. The heat
slug of the DK package is tied to -VS.
• HALF AND FULL BRIDGE MOTOR DRIVERS
• AUDIO POWER AMPLIFIER
Stereo - 15.91W RMS per channel
Bridge - 31.82W RMS per 2 channels
• IDEAL FOR SINGLE SUPPLY SYSTEMS
5V - Peripherals
12V
- Automotive
28V
- Avionic
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• 20-Pin PSOP, JEDEC MO-166-AB (PA60DK)
• 12-Pin Molded Plastic SIP (PA60EU)
FIGURE 2. Bi-directional speed control from a single supply
DESCRIPTION
The amplifier design is a dual power op amp on a single
monolithic die. This approach provides a cost-effective solution to applications where multiple amplifiers are required or
a bridge configuration is needed. Very low harmonic distortion
of 0.02% THD and low IQ makes the PA60 a good solution for
low power audio applications such as laptops and computer
speakers.
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TYPICAL APPLICATION
R1 and R2 set up Amplifier A as non-inverting. Amplifier
B is set up as a unity gain inverter driven from the output of
Amplifier A. Note that Amplifier B inverts the signals about
the reference node, which is set at mid-supply by R5 and
R6. When the command input is midrange, so is the output
of Amplifier A. Since this is also equivalent to the reference
node voltage, the output of Amplifier B is the same resulting
in 0V across the motor. Inputs more positive than 5V result in
motor current flow from left to right (see Figure 2). Inputs less
than 5V drive the motor in the opposite direction.
The amplifiers are especially well-suited for applications such
as this. The extended common mode range allows command
inputs as low as 0V. The output swing lets it drive within 2V
of the supply at an output of 1A. This means that a command
input that ranges from 0 to 10V will drive a 24V motor from
full scale CCW to full scale CW at ±1A.
#
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46#
46#
46#
FIGURE 1. Equivalent schematic (one channel)
The dual output PA60 is available in two industry-standard
packages. The through hole version of the PA60, the PA60EU,
is available in a 12-Pin Molded Plastic SIP with standard 100
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FIGURE 3. External connections
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL [email protected]
PA60
ABSOLUTE MAXIMUM RATINGS
SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
SPECIFICATIONS (per amplifier)
PARAMETER
SUPPLY VOLTAGE, total
OUTPUT CURRENT
POWER DISSIPATION, internal (PA60EU, 1 amplifier)
POWER DISSIPATION, internal (PA60DK, 1 amplifier)
POWER DISSIPATION, internal (PA60EU, 2 amplifiers)4
POWER DISSIPATION, internal (PA60DK, 2 amplifiers)4
INPUT VOLTAGE, differential
INPUT VOLTAGE, common mode
JUNCTION TEMPERATURE, max.1
TEMPERATURE, pin solder - 10 secs max.
TEMP RANGE STORAGE
OPERATING TEMP RANGE, case1
TEST CONDITIONS1,2
MIN TYP
5V to 40V
SOA
19.89W
17.46W
31.82W
25.60W
±Vs
+Vs,-Vs-.5V
150°C
220°C
-55°C to 150°C
-40°C to 125°C
MAX
INPUT
OFFSET VOLTAGE, initial
1
15
OFFSET VOLTAGE, vs. temperature
Full temp range
20
BIAS CURRENT, initial
100
500
COMMON MODE RANGE
Full temp range
-Vs
+Vs - 1.3
COMMON MODE REJECTION, DC
60
90
POWER SUPPLY REJECTION
Full temp range
60
90
CHANNEL SEPARATION
IOUT = 500mA, ƒ = 1kHz
50
68
INPUT NOISE VOLTAGE
RS = 100Ω, ƒ = 1 to 100kHz
22
GAIN
OPEN LOOP GAIN
GAIN BANDWIDTH PRODUCT
PHASE MARGIN
POWER BANDWIDTH
VO = ±10V, RL = 2.0KΩ
89
ƒ = 100kHz, CL = 100pF, RL = 2.0KΩ
0.9
Full temp range, CL = 100pF, RL = 2KΩ
VO(P-P) = 28V
100
1.4
65
13.6
OUTPUT
CURRENT, peak (PA60DK)
1.0
CURRENT, peak (PA60EU)
1.5
SLEW RATE
1.0
1.4
VOLTAGE SWING
Full temp range, IO = 100mA
|Vs| -1.1
|Vs| -0.8
VOLTAGE SWING
Full temp range, IO = 1A
|Vs| -1.8
|Vs| -1.4
HARMONIC DISTORTION
AV = 1, RL = 50Ω,
.02
VO = .5VRMS, ƒ = 1kHz
UNTS
mV
µV/°C
nA
V
dB
dB
dB
nV/√Hz
dB
MHz
°C
kHz
A
A
V/µS
V
V
%
POWER SUPPLY
VOLTAGE, Vss3
5
CURRENT, quiescent total
30
8
40
10
V
mA
THERMAL
RESISTANCE, junction to case
DC, 1 amplifier, (PA60EU)
DC, 1 amplifier, (PA60DK)
DC, 2 amplifiers, (PA60EU)4
DC, 2 amplifiers, (PA60DK)4
5.71
6.51
3.57
4.44
6.29
7.16
3.93
4.88
°C/W
°C/W
°C/W
°C/W
AC, 1 amplifier, (PA60EU)
AC, 1 amplifier, (PA60DK)
AC, 2 amplifiers, (PA60EU)4
AC, 2 amplifiers, (PA60DK)4
4.29
4.88
2.68
3.33
4.71
5.37
2.95
3.66
°C/W
°C/W
°C/W
°C/W
RESISTANCE, junction to air (PA60EU)
RESISTANCE, junction to air (PA60DK)6
Notes:
30
25
°C/W
°C/W
1. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation
to achieve high MTTF.
2. Unless otherwise noted, the following conditions apply: ±VS = ±15V, T C =25°C.
3. +VS and -Vs denote the positive and negative rail respectively. VSS denotes total rail-to-rail supply.
4. Rating applies when power dissipation is equal in each of the amplifiers.
5. If -Vs is disconnected before +Vs, a diode between -Vs and ground is recommended to avoid damage.
6. Rating applies when the hesatslug of the DK package is soldered to a minimum of 1 square inch foil area of a printed circuit
board.
APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: 1 (800) 546-2739
PA60
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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL [email protected]
GENERAL
CONSIDERATIONS
PA60
GENERAL
THERMAL CONSIDERATIONS
Please read Application Note 1 "General Operating Considerations" which covers stability, supplies, heatsinking, mounting,
SOA interpretation, and specification interpretation. Visit www.
apexmicrotech.com for design tools that help automate tasks
such as calculations for stability, internal power dissipation,
heatsink selection; Apex's complete Application Notes library;
Technical Seminar Workbook; and Evaluation Kits.
The PA60EU has a large exposed copper heat tab to which
the monolithic is directly attached. The PA60EU may require
a thermal washer, which is electrically insulating since the tab
is directly tied to -VS. This can result in a thermal impedance
RCS of up to 1˚C/W or greater.
The PA60DK has a large exposed integrated copper heatslug
to which the monolithic is directly attached. The solder connection of the heatslug to a minimum of 1 square inch foil area of
the printed circuit board will result in thermal performance of
25°C/W junction to air rating of the PA60DK. Solder connection to an area of 1 to 2 square inches of foil is required for
minimal power applications
Where the PA60DK is used in higher power applications,
it is necessary to use surface mount techniques of heatsinking. Surface mount techniques include the use of a surface
mount fan in combination with a surface mount heatsink on
the backside of the FR4/ PC board with through hole thermal
vias. Other highly thermal conductive substrate board materials
are available for maximum heat sinking.
STABILITY CONSIDERATIONS
All monolithic power op amps use output stage topologies
that present special stability problems. This is primarily due to
non-complementary (both devices are NPN) output stages with
a mismatch in gain and phase response for different polarities
of output current. It is difficult for the op amp manufacturer to
optimize compensation for all operating conditions.
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MOUNTING PRECAUTIONS
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SAFE OPERATING AREA (SOA)
1. Always use a heat sink. Even unloaded the PA60DK and
PA60EU can dissipate up to .4 watts.
2. Avoid bending the leads. Such action can lead to internal
damage.
3. Always fasten the tab of the EU package to the heat sink
before the leads are soldered to fixed terminals.
4. Strain relief must be provided if there is any probability of
axial stress to the leads.
The SOA curves combine the effect of all limits for this power
op amp. For a given application, the direction and magnitude
of the output current should be calculated or measured and
checked against the SOA curves. This is simple for resistive
loads but more complex for reactive and EMF generating
loads. The following guidelines may save extensive analytical efforts.
This data
sheet has been carefully CORPORATION
checked and is believed
to be NORTH
reliable, however,
no responsibility
is assumed for
possible inaccuracies
omissions.
All specifications HOTLINE:
are subject to1change
without
notice.
APEX
MICROTECHNOLOGY
• 5980
SHANNON
ROAD • TUCSON,
ARIZONA
85741 •orUSA
• APPLICATIONS
(800)
546-2739
PA60U REV F MARCH 2006 © 2006 Apex Microtechnology Corp.