EVAL-ADXL344Z Analog Devices, EVAL-ADXL344Z Datasheet - Page 36

• Manufacturer Part Number: EVAL-ADXL344Z
• Description: Daughter Cards & OEM Boards EB
• Manufacturer: Analog Devices
• Series: ADXL344r

Specifications of EVAL-ADXL344Z

• Rohs: yes
• Product: Breakout Boards
• Description/function: 3 axis accelerometer evaluation board
• Interface Type: I2C, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 1.7 V to 2.75 V
• Factory Pack Quantity: 1
• For Use With: ADXL344

ADXL344
LAYOUT AND DESIGN RECOMMENDATIONS
Figure 50 shows the recommended printed wiring board land pattern. Figure 51 and Table 27 provide details about the recommended
soldering profile.
Table 27. Recommended Soldering Profile
Profile Feature
Average Ramp Rate from Liquid Temperature (T
Preheat
T
Liquid Temperature (T
Time Maintained Above T
Peak Temperature (T
Time of Actual T
Ramp-Down Rate
Time 25°C to Peak Temperature
1
2
Based on JEDEC Standard J-STD-020D.1.
For best results, the soldering profile should be in accordance with the recommendations of the manufacturer of the solder paste used.
SMAX
Minimum Temperature (T
Maximum Temperature (T
Time from T
to T
L
Ramp-Up Rate
SMIN
P
− 5°C (t
to T
P
)
SMAX
L
)
L
P
(t
)
(t
L
S
)
SMIN
)
SMAX
)
)
T
T
P
L
T
SMIN
Figure 50. Recommended Printed Wiring Board Land Pattern
T
1, 2
3.3500
SMAX
L
) to Peak Temperature (T
Figure 51. Recommended Soldering Profile
PREHEAT
(Dimensions shown in millimeters)
t
25°C TO PEAK
t
S
Rev. 0 | Page 36 of 40
RAMP-UP
3.3500
TIME
P
)
RAMP-DOWN
t
P
0.8000
t
L
0.3000
0.5000
CRITICAL ZONE
Sn63/Pb37
3°C/sec max
100°C
150°C
60 sec to 120 sec
3°C/sec max
183°C
60 sec to 150 sec
240 + 0/−5°C
10 sec to 30 sec
6°C/sec max
6 minutes max
T
L
TO T
P
Condition
Pb-Free
3°C/sec max
150°C
200°C
60 sec to 180 sec
3°C/sec max
217°C
60 sec to 150 sec
260 + 0/−5°C
20 sec to 40 sec
6°C/sec max
8 minutes max
Data Sheet