CC2430 Datasheet, PDF (18/234 Pages) Texas Instruments – A True System-on-Chip solution for 2.4 GHz IEEE 802.15.4 / ZigBee-TM

CC2430
7.9 Analog Temperature Sensor
T_A=25°C, VDD=2.0 V to 3.6V if nothing else stated.
Parameter
Min Typ Max Unit Condition/Note
Output voltage at –40°C
Output voltage at 0°C
Output voltage at +40°C
Output voltage at +80°C
Output voltage at +120°C
Temperature coefficient
Absolute error in calculated
temperature
Error in calculated
temperature, calibrated
Current consumption
increase when enabled
0.638
0.733
0.828
0.924
1.022
2.35
–14
–2
0.648
0.743
0.840
0.939
1.039
2.45
–8
0.3
0.706
0.793
0.891
0.992
1.093
2.46
+14
+2
V
V
V
V
V
mV/°C
°C
°C
mA
Fitted from –20°C to +80°C
From –20°C to +80°C when assuming best fit for
absolute accuracy: 0.763V at 0°C and 2.44mV / °C
From –20°C to +80°C when using 2.44mV / °C,
after 1-point calibration at room temperature
Table 13: Analog Temperature Sensor Parameters
7.10 8-14 bit ADC
T_A=25°C, VDD=3.0V if nothing else stated. Differential input and differential reference.
Parameter
Min Typ Max Unit Condition/Note
Input voltage
External reference voltage
External reference voltage
differential
Number of bits (ENOB)
Offset
Conversion time
Differential nonlinearity
(DNL)
Integral nonlinearity (INL)
SINAD
(sine input)
0
AVDD V
AVDD is voltage on AVDD_SOC pin
0
AVDD V
AVDD is voltage on AVDD_SOC pin
0
AVDD V
AVDD is voltage on AVDD_SOC pin
8
13 bits
The ADC is a delta-sigma. Effective resolution
depends on sample rate used.
Differential input signal and reference.
TBD
LSB
20
132 µs
±0.3
LSB 8-bits setting
±0.8
LSB 8-bits setting
45
dB
8-bits setting
56
dB
10-bits setting
66
dB
12-bits setting
75
dB
14-bits setting
Table 14: 8-14 bit ADC Characteristics
CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A
Page 18 of 232