参数资料
型号: HMC5983-EVAL
厂商: Honeywell Microelectronics & Precision Sensors
文件页数: 6/28页
文件大小: 0K
描述: BOARD EVAL 3AXIS COMPASS HMC5983
标准包装: 1
系列: HMC
传感器类型: 磁性,数字式罗盘
传感范围: ±8G
接口: I²C,SPI
电源电压: 2.16 V ~ 3.6 V
已供物品:
已用 IC / 零件: HMC5983
其它名称: 342-1094
HMC5983
*Layout examples are for I2C (dual supply and single supply) modes only.
PCB Pad Definition and Traces
The HMC5983 is a fine pitch LCC package. Refer to previous figure for recommended PCB footprint for proper package
centering. Size the traces between the HMC5983 and the external capacitors (C1 and C2) to handle the 1 ampere peak
current pulses with low voltage drop on the traces.
Stencil Design and Solder Paste
A 4 mil stencil and 100% paste coverage is recommended for the electrical contact pads.
Reflow Assembly
This device is classified as MSL 3 with 260 C peak reflow temperature. As specified by JEDEC, parts with an MSL 3
rating require baking prior to soldering if the part is not kept in a continuously dry (< 10% RH) environment before
assembly. Refer to Table 4- 1 “Reference Conditions for Drying Mounted or Unmounted SMD Packages” in the
IPC/JEDEC standard J-STD- 033 “Hand ling, Packing, Shipping and Use of Moisture/Reflow Sensitive Surface Mount
Devices” for additional information. No special reflow profile is required for HMC5983, which is compatible with lead
eutectic and lead-free solder paste reflow profiles. Honeywell recommends adherence to solder paste manufac turer’s
guidelines. Hand soldering is not recommended. Built-in self test can be used to verify device functionalities after
assembly.
External Capacitors
The two external capacitors should be ceramic type construction with low ESR characteristics. The exact ESR values are
not critical but values less than 200 milli-ohms are recommended. Reservoir capacitor C1 is nominally 4.7 μF in
capacitance, with the set/reset capacitor C2 nominally 0.22 μF in capacitance. Low ESR characteristics may not be in
many small SMT ceramic capacitors (0402), so be prepared to up-size the capacitors to gain Low ESR characteristics.
6
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