參數(shù)資料
型號： 935068830112
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO32
封裝： 7.50 MM, PLASTIC, SOP-32
文件頁數(shù)： 18/30頁
文件大?。?/td> 555K
代理商： 935068830112
September 1994
25
Philips Semiconductors
Product specication
AM/FM stereo radio circuit
TEA5711; TEA5711T
SOLDERING
Plastic dual in-line packages
BY DIP OR WAVE
The maximum permissible temperature of the solder is
260
°C; this temperature must not be in contact with the
joint for more than 5 s. The total contact time of successive
solder waves must not exceed 5 s.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified storage maximum. If the printed-circuit board has
been pre-heated, forced cooling may be necessary
immediately after soldering to keep the temperature within
the permissible limit.
REPAIRING SOLDERED JOINTS
Apply the soldering iron below the seating plane (or not
more than 2 mm above it). If its temperature is below
300
°C, it must not be in contact for more than 10 s; if
between 300 and 400
°C, for not more than 5 s.
Plastic small-outline packages
BYWAVE
During placement and before soldering, the component
must be fixed with a droplet of adhesive. After curing the
adhesive, the component can be soldered. The adhesive
can be applied by screen printing, pin transfer or syringe
dispensing.
Maximum permissible solder temperature is 260
°C, and
maximum duration of package immersion in solder bath is
10 s, if allowed to cool to less than 150
°C within 6 s.
Typical dwell time is 4 s at 250
°C.
A modified wave soldering technique is recommended
using two solder waves (dual-wave), in which a turbulent
wave with high upward pressure is followed by a smooth
laminar wave. Using a mildly-activated flux eliminates the
need for removal of corrosive residues in most
applications.
BY SOLDER PASTE REFLOW
Reflow soldering requires the solder paste (a suspension
of fine solder particles, flux and binding agent) to be
applied to the substrate by screen printing, stencilling or
pressure-syringe dispensing before device placement.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt, infrared, and
vapour-phase reflow. Dwell times vary between 50 and
300 s according to method. Typical reflow temperatures
range from 215 to 250
°C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 min. at 45
°C.
REPAIRING SOLDERED JOINTS (BY HAND-HELD SOLDERING
IRON OR PULSE
-HEATED SOLDER TOOL)
Fix the component by first soldering two, diagonally
opposite, end pins. Apply the heating tool to the flat part of
the pin only. Contact time must be limited to 10 s at up to
300
°C. When using proper tools, all other pins can be
soldered in one operation within 2 to 5 s at between 270
and 320
°C. (Pulse-heated soldering is not recommended
for SO packages.)
For pulse-heated solder tool (resistance) soldering of VSO
packages, solder is applied to the substrate by dipping or
by an extra thick tin/lead plating before package
placement.
相關(guān)PDF資料
PDF描述
935068830118 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO32
935068840112 AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP32
935069850112 SPECIALTY CONSUMER CIRCUIT, PDIP52
935089530518 SPECIALTY CONSUMER CIRCUIT, PQFP64
935071060157 SPECIALTY CONSUMER CIRCUIT, PQFP80
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