參數(shù)資料
型號(hào)： OL2300NHN
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 通信及網(wǎng)絡(luò)
英文描述： Fractional-N PLL based transmitter
中文描述： SPECIALTY TELECOM CIRCUIT, PQCC16
封裝： 3 X 3 MM, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, MO-220, SOT758-1, VQFN-16
文件頁(yè)數(shù)： 41/46頁(yè)
文件大?。?/td> 951K
代理商： OL2300NHN
OL2300
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 28 October 2010
41 of 46
NXP Semiconductors
OL2300
Fractional-N PLL based transmitter
11.4 Reflow soldering
Key characteristics in reflow soldering are:
Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to
higher minimum peak temperatures (see
Figure 27
) than a SnPb 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
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 43
and
44
Table 43.
Package thickness (mm)
Table 44.
Package thickness (mm)
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
Figure 27
.
SnPb eutectic process (from J-STD-020C)
Package reflow temperature (
°
C)
Volume (mm
3
)
< 350
235
220
≥
350
220
220
< 2.5
≥
2.5
Lead-free process (from J-STD-020C)
Package reflow temperature (
°
C)
Volume (mm
3
)
< 350
260
260
250
350 to 2000
260
250
245
> 2000
260
245
245
< 1.6
1.6 to 2.5
> 2.5
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OL2381AHN/C0B,515 功能描述:射頻收發(fā)器 Single Chip 1-GHz 射頻收發(fā)器 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類(lèi)型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類(lèi)型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
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