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參數資料
| 型號： | UDA1360TS |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | Low-voltage low-power stereo audio ADC |
| 中文描述： | 2-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | 4.40 MM, PLASTIC, MO-152, SOT-369-1, SSOP-16 |
| 文件頁數： | 12/16頁 |
| 文件大?。?/td> | 84K |
| 代理商： | UDA1360TS |
2000 Feb 08
12
Philips Semiconductors
Preliminary specification
Low-voltage low-power stereo audio ADC
UDA1360TS
SOLDERING
Introduction to soldering surface mount packages
Thistextgivesaverybriefinsighttoacomplextechnology.
A more in-depth account of soldering ICs can be found in
our “Data Handbook IC26; Integrated Circuit Packages”
(document order number 9398 652 90011).
There is no soldering method that is ideal for all surface
mount IC packages. Wave soldering is not always suitable
for surface mount ICs, or for printed-circuit boards with
high population densities. In these situations reflow
soldering is often used.
Reflow soldering
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
Several methods exist for reflowing; for example,
infrared/convection heating in a conveyor type oven.
Throughput times (preheating, soldering and cooling) vary
between 100 and 200 seconds depending on heating
method.
Typical reflow peak temperatures range from
215 to 250
°
C. The top-surface temperature of the
packages should preferable be kept below 230
°
C.
Wave soldering
Conventional single wave soldering is not recommended
forsurfacemountdevices(SMDs)orprinted-circuitboards
with a high component density, as solder bridging and
non-wetting can present major problems.
To overcome these problems the double-wave soldering
method was specifically developed.
If wave soldering is used the following conditions must be
observed for optimal results:
Use a double-wave soldering method comprising a
turbulent wave with high upward pressure followed by a
smooth laminar wave.
For packages with leads on two sides and a pitch (e):
– larger than or equal to 1.27 mm, the footprint
longitudinal axis is
preferred
to be parallel to the
transport direction of the printed-circuit board;
– smaller than 1.27 mm, the footprint longitudinal axis
must
be parallel to the transport direction of the
printed-circuit board.
The footprint must incorporate solder thieves at the
downstream end.
Forpackageswithleadsonfoursides,thefootprintmust
be placed at a 45
°
angle to the transport direction of the
printed-circuit board. The footprint must incorporate
solder thieves downstream and at the side corners.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Typical dwell time is 4 seconds at 250
°
C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Manual soldering
Fix the component by first soldering two
diagonally-opposite end leads. Use a low voltage (24 V or
less) soldering iron applied to the flat part of the lead.
Contact time must be limited to 10 seconds at up to
300
°
C.
When using a dedicated tool, all other leads can be
soldered in one operation within 2 to 5 seconds between
270 and 320
°
C.
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| UDA1380TT | Stereo audio coder-decoder for MD, CD and MP3 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UDA1361 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:96 kHz sampling 24-bit stereo audio ADC |
| UDA1361TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:96 kHz sampling 24-bit stereo audio ADC |
| UDA1361TS/N1 | 制造商:NXP Semiconductors 功能描述:ADC STEREO AUDIO 24BIT 16SSOP 制造商:NXP Semiconductors 功能描述:ADC, STEREO, AUDIO, 24BIT, 16SSOP |
| UDA1361TS/N1,112 | 功能描述:音頻模/數轉換器 IC ADC STEREO 7712 24BIT RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
| UDA1361TS/N1,118 | 功能描述:音頻模/數轉換器 IC 24 BIT ADC RoHS:否 制造商:Wolfson Microelectronics 轉換速率: 分辨率: ADC 輸入端數量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風格: 封裝 / 箱體: 封裝: |
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