TDA9898HN/V2,518 NXP Semiconductors, TDA9898HN/V2,518 Datasheet - Page 98
TDA9898HN/V2,518
Manufacturer Part Number
TDA9898HN/V2,518
Description
IC IF PROCESSOR MULTISTD 48HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.TDA9898HNV3518.pdf
(103 pages)
Specifications of TDA9898HN/V2,518
Function
IF Processor
Rf Type
ATV, DVB, FM
Package / Case
48-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935283079518
TDA9898HN/V2-T
TDA9898HN/V2-T
TDA9898HN/V2-T
TDA9898HN/V2-T
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TDA9897_TDA9898_4
Product data sheet
16.4 Reflow soldering
Key characteristics in reflow soldering are:
Table 58.
Table 59.
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reflow
soldering, see
Package thickness (mm)
< 2.5
Package thickness (mm)
< 1.6
1.6 to 2.5
> 2.5
•
•
•
2.5
Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to
higher minimum peak temperatures (see
reducing the process window
Solder paste printing issues including smearing, release, and adjusting the process
window for a mix of large and small components on one board
Reflow temperature profile; this profile includes preheat, reflow (in which the board is
heated to the peak temperature) and cooling down. It is imperative that the peak
temperature is high enough for the solder to make reliable solder joints (a solder paste
characteristic). In addition, the peak temperature must be low enough that the
packages and/or boards are not damaged. The peak temperature of the package
depends on package thickness and volume and is classified in accordance with
Table 58
SnPb eutectic process (from J-STD-020C)
Lead-free process (from J-STD-020C)
and
Figure
59
54.
Rev. 04 — 25 May 2009
Package reflow temperature ( C)
Volume (mm
< 350
235
220
Package reflow temperature ( C)
Volume (mm
< 350
260
260
250
3
3
)
)
Figure
350 to 2000
260
250
245
TDA9897; TDA9898
Multistandard hybrid IF processing
54) than a SnPb process, thus
220
220
350
> 2000
260
245
245
© NXP B.V. 2009. All rights reserved.
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