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CC2550-RTR1 数据表(PDF) 11 Page - Texas Instruments |
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CC2550-RTR1 数据表(HTML) 11 Page - Texas Instruments |
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11 / 55 page ![]() CC2550 PRELIMINARY Data Sheet (Rev.1.2) SWRS039A Page 11 of 54 Antenna (50 Ohm) 1.8V-3.6V power supply 1 SCLK 2 SO (GDO1) 3 DVDD 4 AVDD 12 RF_N 11 RF_P 10 CSn 9 XTAL C102 C112 L111 L101 L102 C103 C104 R141 C51 C71 C41 CSn GDO0 (optional) SO (GDO1) SCLK SI CC2550 DIE ATTACH PAD: C111 C101 DCOUPL Alternative: Folded dipole PCB antenna (no external components needed) Figure 3: Typical application and evaluation circuit (excluding supply decoupling capacitors) Component Value Manufacturer C41 100 nF±10%, 0402 X5R Murata GRM15 series C51 27 pF±5%, 0402 NP0 Murata GRM15 series C71 27 pF±5%, 0402 NP0 Murata GRM15 series C101 100 pF±5%, 0402 NP0 Murata GRM15 series C102 1.0 pF±0.25pF, 0402 NP0 Murata GRM15 series C103 1.8 pF±0.25pF, 0402 NP0 Murata GRM15 series C104 1.5 pF±0.25pF, 0402 NP0 Murata GRM15 series C111 100 pF±5%, 0402 NP0 Murata GRM15 series C112 1.0 pF±0.25pF, 0402 NP0 Murata GRM15 series L101 1.2 nH±0.3nH, 0402 monolithic Murata LQG15 series L102 1.2 nH±0.3nH, 0402 monolithic Murata LQG15 series L111 1.2 nH±0.3nH, 0402 monolithic Murata LQG15 series R141 56 kΩ±1%, 0402 Koa RK73 series XTAL 26.0 MHz surface mount crystal NDK, AT-41CD2 Table 13: Bill of Materials for the application circuit In the CC2550EM reference design, LQG15 series inductors from Murata have been used. Measurements have been performed with multi-layer inductors from other manufacturers (e.g. Würth) and the measurement results were the same as when using the Murata part. The Gerber files for the CC2550EM reference design are available from the TI and Chipcon websites. |
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