CC2550-RTR1 datasheet(11/55 Pages) TI

Part #	CC2550-RTR1

Description	Single Chip Low Cost Low Power RF Transmitter

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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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CC2550-RTR1 Datasheet(PDF) 11 Page - Texas Instruments

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