EK55 [APEX]
EVALUATION KIT FOR PA62DK; 评估板PA62DK
| 型号： | EK55 |
| 厂家： | 
CIRRUS LOGIC |
| 描述： | EVALUATION KIT FOR PA62DK |
| 文件： | 总2页 (文件大小：271K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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INTRODUCTION
BEFORE YOU GET STARTED
Fast and easy breadboarding of circuits using the PA62DK
is possible with the EK55 evaluation kit. The EK55 includes
both the universal EVAL36 board and the EVAL55 substrate.
The use of EVAL36 and EVAL55 allows for a large area of
breadboarding space to work with while allowing a surface
mountsubstrateforthePA62DK.ThePA62DKamplifiermaybe
surfacemounteddirectlytotheEVAL55,athermallyconductive
but electrically isolated substrate. The PA62DK is soldered to
a DUT foil footprint area the size of the heatslug as shown in
Figure 1. The metal substrate is cost effective and can allow
the PA62DK to dissipate power up to the datasheet rating.
•
•
•
All Apex amplifiers should be handled using ESD precau-
tion.
Review the Apex product datasheet and operating condi-
tions.
Always provide the appropriate heat sinking. Power dis-
sipation must be considered to ensure maximum junction
temperature (TJ) is not exceeded.
•
Alwaysuseadequatepowersupplybypasscapacitors,Apex
recommends at least 10µF per amp of output current.
Do not change connections while the circuit is powered
In case -Vs is disconnected before +Vs, a diode between
-Vs and ground is recommended to avoid damage.
Initially set all power supplies to the minimum operating
levels allowed in the product datasheet.
•
•
Part#
EVAL36
EVAL55
Description
Universal PC Board
Evaluation substrate, PA62DK
Quantity
•
•
1
1
2
2
4
4
Check for oscillations up to and above the unity gain band-
width of the amplifier.
TSM-116-01-T-SV Terminal Strip, 16 PIN
SSW-116-01-T-S Socket Strip, 16 PIN
PCE2055CT-ND
OX7R105KWN
*031606
CAP, 47uF, 50V
ASSEMBLY
Cap, 200V, 1uF, Ceramic
5V, 10mA, 3.4°C/W
heatsink with fan, AAVID
The PA62DK is a surface mount device and should be
assembled to the EVAL55 substrate using surface mount
processes. Solder paste may be dispensed or screen-printed
on the DUT pads. The heat slug on the back of the PA62DK
providesmaximumheatdissipationcapabilitieswhensoldered
to the foil footprint area. The PA62DK should be reflowed
to the substrate using a solder reflow furnace. If this is not
available, a heat plate capable of solder reflow temperatures
may be used.
1
* Parts are not supplied. Parts are application dependant.
Suggested part numbers are provided.
Figure 1
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Once the amplifier is mounted on the top
ofthesubstrate, theheatsinkfanorselected
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heat sink can then be mounted to the back
of the substrate. A heat sink is not supplied
with the kit, but several options are available
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through AAVID Thermal Product, Inc. High
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thermal conductive thermal grease should
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be used when mounting the heat sink fan or
heat sink to the evaluation board.
Review Figure 2 on next page for other
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possible assembly methods to construct this
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evaluation kit.
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NOTE: All grounds must be tied together
on the EVAL36 board.
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APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com
1
EVALUATION KIT FOR
PA62DK
EK55
Figure 2
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This data sheet has been carefully checked and is believed to be reliable, however, no responsibility is assumed for possible inaccuracies or omissions. All specifications are subject to change without notice.
2
EK55U REV A JULY 2003 © 2003 Apex Microtechnology Corp.
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