CC2510FX Datasheet, PDF (15/253 Pages) List of Unclassifed Manufacturers – True System-on-Chip with Low Power RF Transceiver and 8051 MCU

CC2510Fx / CC2511Fx
7.4 26/48 MHz Crystal Oscillator
7.4.1 CC2510 Crystal Oscillator (26 MHz)
T_A=25°C, VDD=3.0V if nothing else is stated.
Parameter
Min Typ Max Unit Condition/Note
Crystal frequency
Crystal frequency
accuracy
requirement
Crystal shunt cap
24 26 27 MHz
±40
ppm This is the total tolerance including a) initial tolerance, b) ageing
and c) temperature dependence.
The acceptable crystal tolerance depends on RF frequency and
channel spacing / bandwidth.
1
5
7
pF
Load capacitance 10 13 20 pF
ESR
6
100 Ω
Start-up time
212
us
Table 9: 26 MHz Crystal Oscillator Parameters (CC2510)
7.4.2 CC2511Fx Crystal Oscillator (48 MHz)
T_A=25°C, VDD=3.0V if nothing else is stated.
Parameter
Min Typ Max Unit Condition/Note
Crystal frequency
Crystal frequency
accuracy
requirement
Crystal shunt cap
48 48 48 MHz
±40
ppm This is the total tolerance including a) initial tolerance, b) ageing
and c) temperature dependence.
The acceptable crystal tolerance depends on RF frequency and
channel spacing / bandwidth.
2
3
7
pF
Load capacitance 12 13 14 pF
ESR
30 60
Ω
Start-up time
628
us
Table 10: 48 MHz Crystal Oscillator Parameters (CC2511Fx)
7.5 32.768 kHz Crystal Oscillator
T_A =25°C, VDD=3.0V if nothing else is stated.
Parameter
Crystal frequency
Crystal frequency
accuracy
requirement
ESR
Crystal shunt cap
Load capacitance
Start-up time
Min Typ Max Unit Condition/Note
32.768
kHz
ppm
40
130 Ω
0.9
2.0 pF
12
16 pF
450 ms
Table 11: 32.768 kHz Crystal Oscillator Parameters
CC2510Fx/CC2511Fx PRELIMINARY Data Sheet (Rev. 1.2) SWRS055A Page 15 of 252