ADC0808S250HW/C1:1 NXP Semiconductors, ADC0808S250HW/C1:1 Datasheet - Page 19
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ADC0808S250HW/C1:1
Manufacturer Part Number
ADC0808S250HW/C1:1
Description
ADC 8BIT SGL 250MHZ 48HTQFP
Manufacturer
NXP Semiconductors
Datasheet
1.ADC0808S125HWC15.pdf
(23 pages)
Specifications of ADC0808S250HW/C1:1
Number Of Bits
8
Sampling Rate (per Second)
250M
Number Of Converters
1
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-TQFP Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADC0808S250HW/C1:1
Manufacturer:
NXP Semiconductors
Quantity:
10 000
NXP Semiconductors
ADC0808S125_ADC0808S250_3
Product data sheet
14.4 Reflow soldering
Key characteristics in reflow soldering are:
Table 14.
Table 15.
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 14
SnPb eutectic process (from J-STD-020C)
Lead-free process (from J-STD-020C)
and
Figure
15
Rev. 03 — 24 February 2009
13.
Package reflow temperature ( C)
Volume (mm
< 350
235
220
Package reflow temperature ( C)
Volume (mm
< 350
260
260
250
3
3
)
)
Single 8-bit ADC, up to 125 MHz or 250 MHz
Figure
350 to 2000
260
250
245
ADC0808S125/250
13) than a SnPb process, thus
220
220
350
> 2000
260
245
245
© NXP B.V. 2009. All rights reserved.
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