CC1110-RTR1 datasheet(30/203 Pages) TI

30 / 203 page

CC1110

CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A

Page 30 of 202

Antenna

(50 Ohm)

2.0V-3.6V power supply

2, 10 DVDD

30 DCOUPL

AVDD 26

AVDD 25

RF_N 24

RF_P 23

AVDD 22

L232

L233

C232

C233

C235

R271

C201

C211

C301

CC1110

DIE ATTACH PAD:

C241

C231

L231

L241

C234

C181

C171

Optional:

Figure 6: Application Circuit (excluding supply decoupling capacitors and digital I/O)

Component

Description

C301

100 nF decoupling capacitor for on-chip voltage regulator to digital part

C201; C211

Crystal loading capacitors, see section 14 on page 153 for details

C171, C181

Crystal loading capacitors, if X2 is used

C231, C241

RF balun/matching capacitors

C232/C233

RF LC filter/matching capacitors

C234

RF balun DC blocking capacitor

C235

RF LC filter DC blocking capacitor (only needed if there is a DC path in the antenna)

L231/L241

RF balun/matching inductors (inexpensive multi-layer type)

L232/L233

RF LC filter/matching filter inductors (inexpensive multi-layer type)

R271

56 kΩ resistor for internal bias current reference, tolerance 1%

26 MHz-27 MHz crystal, see section 14 on page 153 for details

32.768 kHz crystal, optional

Table 23: Overview of external components (excluding supply decoupling capacitors)

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