參數(shù)資料
型號(hào): TDA8566TH/N2,512
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 55 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
封裝: PLASTIC, SOT-418-3, HSOP-20
文件頁數(shù): 9/21頁
文件大?。?/td> 129K
代理商: TDA8566TH/N2,512
TDA8566_6
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 06 — 15 October 2007
17 of 21
NXP Semiconductors
TDA8566
2
× 40 W/2 stereo BTL car radio power amplier
15.4 Reow soldering
Key characteristics in reow soldering are:
Lead-free versus SnPb soldering; note that a lead-free reow process usually leads to
higher minimum peak temperatures (see Figure 13) than a PbSn process, thus
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
Reow temperature prole; this prole includes preheat, reow (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 classied in accordance with
Table 9 and 10
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reow
soldering, see Figure 13.
Table 9.
SnPb eutectic process (from J-STD-020C)
Package thickness (mm)
Package reow temperature (
°C)
Volume (mm3)
< 350
≥ 350
< 2.5
235
220
≥ 2.5
220
Table 10.
Lead-free process (from J-STD-020C)
Package thickness (mm)
Package reow temperature (
°C)
Volume (mm3)
< 350
350 to 2000
> 2000
< 1.6
260
1.6 to 2.5
260
250
245
> 2.5
250
245
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