CC2480
5.8
Frequency Synthesizer Characteristics
Measured on Texas Instruments CC2480 EM reference design with T A =25 ° C and VDD=3.0V
unless stated otherwise.
Table 11: Frequency Synthesizer Parameters
Parameter
Min
Typ
Max
Unit
Condition/Note
Phase noise
Unmodulated carrier
? 116
? 117
? 118
dBc/Hz
dBc/Hz
dBc/Hz
At ±1.5 MHz offset from carrier
At ±3 MHz offset from carrier
At ±5 MHz offset from carrier
PLL lock time
5.9
Analog Temperature Sensor
192
μ s
The startup time until RX/TX turnaround. The crystal
oscillator is running.
Measured on Texas Instruments CC2480 EM reference design with T A =25 ° C and VDD=3.0V
unless stated otherwise.
Table 12: Analog Temperature Sensor Parameters
Parameter
Output voltage at –40 ° C
Output voltage at 0 ° C
Output voltage at +40 ° C
Output voltage at +80 ° C
Temperature coefficient
Absolute error in calculated
temperature
Min
Typ
0.648
0.743
0.840
0.939
2.45
–8
Max
Unit
V
V
V
V
mV/ ° C
° C
Condition/Note
Value is estimated
Value is estimated
Value is estimated
Value is estimated
Fitted from –20 ° C to +80 ° C on estimated values.
From –20 ° C to +80 ° C when assuming best fit for
absolute accuracy on estimated values: 0.743V at
0 ° C and 2.45mV / ° C.
Error in calculated
temperature, calibrated
-2
0
2
° C
From –20 ° C to +80 ° C when using 2.45mV / ° C,
after 1-point calibration at room temperature.
Values are estimated. Indicated min/max with 1-
point calibration is based on simulated values for
typical process parameters
Current consumption
280
μ A
increase when enabled
5.10 ADC
Measured with T A =25 ° C and VDD=3.0V. Note that other data may result when using Texas
Instruments’ CC2480 EM reference design.
Table 13: ADC Characteristics
Full-Scale Signal
Parameter
Input voltage
Input resistance, signal
3
Min
0
Typ
197
2.97
Max
VDD
Unit
V
k ?
V
Condition/Note
VDD is voltage on AVDD_SOC pin
Simulated using 4 MHz clock speed.
Peak-to-peak, defines 0dBFS
3
Measured with 300 Hz Sine input and VDD as reference.
CC2480 Data Sheet SWRS074A
Page 12 of 43
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