CC1111F32RSP View Datasheet(PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS
Part Name
Description
MFG CO.
CC1111F32RSP
TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS
'CC1111F32RSP' PDF : 240 Pages View PDF
CC1110Fx / CC1111Fx
7.7 High Speed RC Oscillator
TA = 25 °C, VDD = 3.0 V if nothing else is stated.
Parameter
Calibrated frequency2
Uncalibrated frequency
accuracy
Calibrated frequency
accuracy
Start-up time
Temperature coefficient
Supply voltage coefficient
Initial calibration time
Min
Typ
Max
Unit Condition/Note
12
13
13.5
MHz Calibrated HS RCOSC frequency is fXOSC / 2
±15
%
±1
%
10
µs
-325
ppm/°C Frequency drift when temperature changes after
calibration
28
ppm/V Frequency drift when supply voltage changes after
calibration
65
µs
The HS RCOSC will be calibrated once when the
high speed crystal oscillator is selected as system
clock source (CLKCON.OSC is set to 0), and also
when the system wakes up from PM{1-3}. See
13.1.5.1 for details).
Table 15: High Speed RC Oscillator Parameters
7.8 Frequency Synthesizer Characteristics
TA = 25 °C, VDD = 3.0 V if nothing else stated. All measurement results are obtained using the
CC1110EM reference designs ([1]).
Parameter
Min Typ Max
Unit Condition/Note
Programmed frequency
resolution
Synthesizer frequency
tolerance
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
RF carrier phase noise
PLL turn-on / hop time3
PLL RX/TX settling time3
PLL TX/RX settling time3
PLL calibration time3
367 397 412
Hz
24 - 27 MHz system clock.
Frequency resolution = fXOSC / 216
±40
ppm Given by crystal used. Required accuracy (including
temperature and aging) depends on frequency band and
channel bandwidth / spacing.
-92
dBc/Hz @ 50 kHz offset from carrier
-93
dBc/Hz @ 100 kHz offset from carrier
-93
dBc/Hz @ 200 kHz offset from carrier
-98
dBc/Hz @ 500 kHz offset from carrier
-107
dBc/Hz @ 1 MHz offset from carrier
-113
dBc/Hz @ 2 MHz offset from carrier
-119
dBc/Hz @ 5 MHz offset from carrier
-129
dBc/Hz @ 10 MHz offset from carrier
85.1 88.4 95.8
µs
Time from leaving the IDLE state until arriving in the RX,
FSTXON, or TX state, when not performing calibration.
Crystal oscillator running.
9.3 9.6 10.4
µs
Settling time for the 1·IF frequency step from RX to TX
20.7 21.5 23.3
µs
Settling time for the 1·IF frequency step from TX to RX
694 721 780.8
µs
Calibration can be initiated manually or automatically
before entering or after leaving RX/TX.
Table 16: Frequency Synthesizer Parameters
3 Min figures are given using fXOSC = 27 MHz. Typ figures are given using fXOSC = 26 MHz, and Max
figures are given using fXOSC = 24 MHz.
SWRS033E
Page 22 of 239
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