ZHCS278F June 2011 – October 2014 CC1121
PRODUCTION DATA.
All measurements performed on CC1120EM_868_915 rev.1.0.1, CC1120EM_955 rev.1.2.1, CC1120EM_420_470 rev.1.0.1, or CC1120EM_169 rev.1.2.
PARAMETER | MIN | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|
Supply voltage (VDD, AVDD_x) | –0.3 | 3.9 | V | All supply pins must have the same voltage | |
Input RF level | +10 | dBm | |||
Voltage on any digital pin | –0.3 | VDD+0.3 | V | max 3.9 V | |
Voltage on analog pins (including DCPL pins) |
–0.3 | 2.0 | V |
MIN | MAX | UNIT | ||||
---|---|---|---|---|---|---|
Tstg | Storage temperature range | –40 | 125 | °C | ||
VESD | Electrostatic discharge (ESD) performance: | Human body model (HBM), per ANSI/ESDA/JEDEC JS001(1) | –2 | 2 | kV | |
Charged device model (CDM), per JESD22-C101(2) | All pins | –500 | 500 | V |
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
Voltage supply range | 2.0 | 3.6 | V | All supply pins must have the same voltage | ||
Voltage on digital inputs | 0 | VDD | V | |||
Temperature range | –40 | 85 | °C | Ambient |
°C/W(1) | AIR FLOW (m/s)(2) | ||
---|---|---|---|
RθJC | Junction-to-case (top) | 21.1 | 0.00 |
RθJB | Junction-to-board | 5.3 | 0.00 |
RθJA | Junction-to-free air | 31.3 | 0.00 |
PsiJT | Junction-to-package top | 0.2 | 0.00 |
PsiJB | Junction-to-board | 5.3 | 0.00 |
RθJC | Junction-to-case (bottom) | 0.8 | 0.00 |
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
Frequency bands | 820 | 960 | MHz | |||
410 | 480 | MHz | ||||
(273.3) | (320) | MHz | For more information, see application note AN115, Using the CC112x/CC1175 at 274 to 320 MHz. | |||
164 | 192 | MHz | ||||
(205) | (240) | MHz | Please contact TI for more information about the use of these frequency bands. | |||
(136.7) | (160) | MHz | ||||
Frequency resolution | 30 | Hz | In 820- to 950-MHz band | |||
15 | Hz | In 410- to 480-MHz band | ||||
6 | Hz | In 164- to 192-MHz band | ||||
Data rate | 0 | 200 | kbps | Packet mode | ||
0 | 100 | kbps | Transparent mode | |||
Data rate step size | 1e-4 | bps |
PERFORMANCE MODE | FREQUENCY BAND | SUITABLE FOR COMPLIANCE WITH | COMMENTS | |
---|---|---|---|---|
High-performance mode | 820–960 MHz | ARIB T-108 ARIB T-96 ETSI EN 300 220, receiver category 2 ETSI EN 54-25 FCC PART 24 Submask D FCC Part 15.247 FCC Part 15.249 |
Performance also suitable for systems targeting maximum allowed output power in the respective bands, using a range extender such as the CC1190 device | |
410–480 MHz | ETSI EN 300 220, category 2 | Performance also suitable for systems targeting maximum allowed output power in the respective bands, using a range extender | ||
164–192 MHz | ETSI EN 300 220, category 2 | Performance also suitable for systems targeting maximum allowed output power in the respective bands, using a range extender | ||
Low-power mode | 820–960 MHz | ETSI EN 300 220, category 2 FCC Part 15.247 FCC Part 15.249 |
||
410–480 MHz | ETSI EN 300 220, category 2 | |||
164–192 MHz | ETSI EN 300 220, category 2 |
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
Power down with retention | 0.12 | 1 | µA | |||
0.5 | µA | Low-power RC oscillator running | ||||
XOFF mode | 170 | µA | Crystal oscillator / TCXO disabled | |||
IDLE mode | 1.3 | mA | Clock running, system waiting with no radio activity |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
TX current consumption +10 dBm | 37 | mA | |||
TX current consumption 0 dBm | 26 | mA |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
TX current consumption +14 dBm | 45 | mA | ||||
TX current consumption +10 dBm | 34 | mA |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
TX current consumption +15 dBm | 50 | mA | ||||
TX current consumption +14 dBm | 45 | mA | ||||
TX current consumption +10 dBm | 34 | mA |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
TX current consumption +15 dBm | 54 | mA | ||||
TX current consumption +14 dBm | 49 | mA | ||||
TX current consumption +10 dBm | 41 | mA |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
TX current consumption +10 dBm | 32 | mA |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
RX wait for sync 1.2 kbps, 4-byte preamble |
2 | mA | Using RX sniff mode, where the receiver wakes up at regular intervals to look for an incoming packet | |||
RX peak current | Peak current consumption during packet reception at the sensitivity threshold | |||||
433-, 868-, 915-, 920-, and 950-MHz bands | 22 | mA | ||||
169-MHz band | 23 | mA | ||||
Average current consumption Check for data packet every 1 second using Wake-on-Radio |
15 | µA | 50 kbps, 5-byte preamble, 40-kHz RC oscillator used as sleep timer |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
RX peak current low-power RX mode | Peak current consumption during packet reception at the sensitivity level | |||||
1.2 kbps | 17 | mA |
All RX measurements made at the antenna connector, to a bit error rate (BER) limit of 1%.
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION | |
---|---|---|---|---|---|---|
Saturation | +10 | dBm | ||||
Digital channel filter programmable bandwidth | 41.7 | 200 | kHz | |||
IIP3, normal mode | –14 | dBm | At maximum gain | |||
IIP3, high linearity mode | –8 | dBm | Using 6-dB gain reduction in front end | |||
Data rate offset tolerance | ±12 | % | With carrier sense detection enabled and assuming 4-byte preamble | |||
±0.2 | % | With carrier sense detection disabled | ||||
Spurious emissions | Radiated emissions measured according to ETSI EN 300 220, fc = 869.5 MHz | |||||
1–13 GHz (VCO leakage at 3.5 GHz) | –56 | dBm | ||||
30 MHz to 1 GHz | < –57 | dBm | ||||
Optimum source impedance | (Differential or single-ended RX configurations) | |||||
868-, 915-, and 920-MHz bands | 60 + j60 / 30 + j30 | Ω | ||||
433-MHz band | 100 + j60 / 50+ j30 | Ω | ||||
169-MHz band | 140 + j40 / 70 + j20 | Ω |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | Max | UNIT | CONDITION |
---|---|---|---|---|---|
Sensitivity Note: Sensitivity can be improved if the TX and RX matching networks are separated. |
–114 | dBm | 1.2 kbps, DEV=20 kHz CHF=50 kHz(1) | ||
–107 | dBm | 50 kbps 2GFSK, DEV=25 kHz, CHF=100 kHz(1) | |||
–100 | dBm | 200 kbps, DEV=83 kHz (outer symbols), CHF=200 kHz, 4GFSK(2) | |||
Blocking and selectivity 1.2-kbps 2FSK, 50-kHz channel separation, 20-kHz deviation, 50-kHz channel filter |
47 | dB | ± 50 kHz (adjacent channel) | ||
48 | dB | + 100 kHz (alternate channel) | |||
69 | dB | ± 1 MHz | |||
71 | dB | ± 2 MHz | |||
78 | dB | ± 10 MHz | |||
Blocking and selectivity 50-kbps 2GFSK, 200-kHz channel separation, 25-kHz deviation, 100-kHz channel filter (Same modulation format as 802.15.4g Mandatory Mode) |
43 | dB | ± 200 kHz (adjacent channel) | ||
51 | dB | ± 400 kHz (alternate channel) | |||
62 | dB | ± 1 MHz | |||
65 | dB | ± 2 MHz | |||
71 | dB | ± 10 MHz | |||
Blocking and selectivity 200-kbps 4GFSK, 83-kHz deviation (outer symbols), 200-kHz channel filter, zero IF |
37 | dB | ± 200 kHz (adjacent channel) | ||
44 | dB | ± 400 kHz (alternate channel) | |||
55 | dB | ± 1 MHz | |||
58 | dB | ± 2 MHz | |||
64 | dB | ± 10 MHz |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Sensitivity | –120 | dBm | 1.2 kbps, DEV=10 kHz CHF=41.7 kHz(1), using increased RX filtering | ||
–117 | dBm | 1.2 kbps, DEV=20 kHz CHF=50 kHz(1) | |||
–114 | dBm | 4.8 kbps OOK | |||
–110 | dBm | 38.4 kbps, DEV=20 kHz CHF=100 kHz(1) | |||
–110 | dBm | 50 kbps 2GFSK, DEV=25 kHz, CHF=100 kHz(1) | |||
–103 | dBm | 200 kbps, DEV=83 kHz (outer symbols), CHF=200 kHz(1), 4GFSK | |||
Blocking and selectivity 1.2-kbps 2FSK, 50-kHz channel separation, 20-kHz deviation, 50-kHz channel filter |
48 | dB | ± 50 kHz (adjacent channel) | ||
48 | dB | ± 100 kHz (alternate channel) | |||
69 | dB | ± 1 MHz | |||
74 | dB | ± 2 MHz | |||
81 | dB | ± 10 MHz | |||
Blocking and selectivity 38.4-kbps 2GFSK, 100-kHz channel separation, 20-kHz deviation, 100-kHz channel filter |
42 | dB | + 100 kHz (adjacent channel) | ||
43 | dB | ± 200 kHz (alternate channel) | |||
62 | dB | ± 1 MHz | |||
66 | dB | ± 2 MHz | |||
74 | dB | ± 10 MHz | |||
Blocking and selectivity 50-kbps 2GFSK, 200-kHz channel separation, 25-kHz deviation, 100-kHz channel filter (Same modulation format as 802.15.4g Mandatory Mode) |
43 | dB | ± 200 kHz (adjacent channel) | ||
50 | dB | ± 400 kHz (alternate channel) | |||
61 | dB | ± 1 MHz | |||
65 | dB | ± 2 MHz | |||
74 | dB | ± 10 MHz | |||
Blocking and selectivity 200-kbps 4GFSK, 83-kHz deviation (outer symbols), 200-kHz channel filter, zero IF |
36 | dB | ± 200 kHz (adjacent channel) | ||
44 | dB | ± 400 kHz (alternate channel) | |||
55 | dB | ± 1 MHz | |||
59 | dB | ± 2 MHz | |||
67 | dB | ± 10 MHz |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Sensitivity | –109 | dBm | 50 kbps 2GFSK, DEV=25 kHz, CHF=100 kHz(1) | ||
–116 | dBm | 1.2 kbps, DEV=20 kHz CHF=50 kHz(1) | |||
Blocking and selectivity 1.2-kbps 2FSK, 50-kHz channel separation, 20-kHz deviation, 50-kHz channel filter |
54 | dB | ± 50 kHz (adjacent channel) | ||
54 | dB | + 100 kHz (alternate channel) | |||
74 | dB | ± 1 MHz | |||
78 | dB | ± 2 MHz | |||
86 | dB | ± 10 MHz | |||
Blocking and selectivity 38.4-kbps 2GFSK, 100-kHz channel separation, 20-kHz deviation, 100-kHz channel filter |
47 | dB | + 100 kHz (adjacent channel) | ||
50 | dB | ± 200 kHz (alternate channel) | |||
67 | dB | ± 1 MHz | |||
71 | dB | ± 2 MHz | |||
78 | dB | ± 10 MHz |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Sensitivity | –117 | dBm | 1.2 kbps, DEV=20 kHz CHF=50 kHz(1) | ||
Blocking and selectivity 1.2-kbps 2FSK, 50-kHz channel separation, 20-kHz deviation, 50-kHz channel filter |
60 | dB | ± 50 kHz (adjacent channel) | ||
60 | dB | + 100 kHz (alternate channel) | |||
76 | dB | ± 1 MHz | |||
77 | dB | ± 2 MHz | |||
83 | dB | ± 10 MHz |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Sensitivity | –99 | dBm | 38.4 kbps, DEV=50 kHz CHF=100 kHz(1) | ||
–99 | dBm | 50 kbps 2GFSK, DEV=25 kHz, CHF=100 kHz(1) | |||
Blocking and selectivity 1.2-kbps 2FSK, 50-kHz channel separation, 20-kHz deviation, 50-kHz channel filter |
43 | dB | ± 50 kHz (adjacent channel) | ||
45 | dB | + 100 kHz (alternate channel) | |||
71 | dB | ± 1 MHz | |||
74 | dB | ± 2 MHz | |||
75 | dB | ± 10 MHz | |||
Blocking and selectivity 38.4-kbps 2GFSK, 100-kHz channel separation, 20-kHz deviation, 100-kHz channel filter |
37 | dB | + 100 kHz (adjacent channel) | ||
43 | dB | + 200 kHz (alternate channel) | |||
58 | dB | ± 1 MHz | |||
62 | dB | ± 2 MHz | |||
64 | dB | + 10 MHz | |||
Blocking and selectivity 50-kbps 2GFSK, 200-kHz channel separation, 25-kHz deviation, 100-kHz channel filter (Same modulation format as 802.15.4g Mandatory Mode) |
43 | dB | + 200 kHz (adjacent channel) | ||
52 | dB | + 400 kHz (alternate channel) | |||
60 | dB | ± 1 MHz | |||
64 | dB | ± 2 MHz | |||
65 | dB | ± 10 MHz | |||
Saturation | +10 | dBm |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Max output power | +12 | dBm | At 950 MHz | ||
+14 | dBm | At 915- and 920-MHz | |||
+15 | dBm | At 915- and 920-MHz with VDD = 3.6 V | |||
+15 | dBm | At 868 MHz | |||
+16 | dBm | At 868 MHz with VDD = 3.6 V | |||
+15 | dBm | At 433 MHz | |||
+16 | dBm | At 433 MHz with VDD = 3.6 V | |||
+15 | dBm | At 169 MHz | |||
+16 | dBm | At 169 MHz with VDD = 3.6 V | |||
Min output power | –11 | dBm | Within fine step size range | ||
–40 | dBm | Within coarse step size range | |||
Output power step size | 0.4 | dB | Within fine step size range | ||
Adjacent channel power | –75 | dBc | 4-GFSK 9.6 kbps in 12.5-kHz channel, measured in 100-Hz bandwidth at 434 MHz (FCC Part 90 Mask D compliant) | ||
–58 | dBc | 4-GFSK 9.6 kbps in 12.5-kHz channel, measured in 8.75-kHz bandwidth (ETSI 300 220 compliant) | |||
–61 | dBc | 2-GFSK 2.4 kbps in 12.5-kHz channel, 1.2-kHz deviation | |||
Spurious emissions (not including harmonics) |
<–60 | dBm | |||
Harmonics | Transmission at +14 dBm (or maximum allowed in applicable band where this is less than +14 dBm) using TI reference design. Emissions measured according to ARIB T-96 in 950-MHz band, ETSI EN 300 220 in 169-, 433-, and 868-MHz bands and FCC Part 15.247 in 450- and 915-MHz band Fourth harmonic in 915-MHz band will require extra filtering to meet FCC requirements if transmitting for long intervals (>50-ms periods). |
||||
Second Harm, 169 MHz | –39 | dBm | |||
Third Harm, 169 MHz | –58 | dBm | |||
Second Harm, 433 MHz | –56 | dBm | |||
Third Harm, 433 MHz | –51 | dBm | |||
Second Harm, 450 MHz | –60 | dBm | |||
Third Harm, 450 MHz | –45 | dBm | |||
Second Harm, 868 MHz | –40 | dBm | |||
Third Harm, 868 MHz | –42 | dBm | |||
Second Harm, 915 MHz | 56 | dBuV/m | |||
Third Harm, 915 MHz | 52 | dBuV/m | |||
Fourth Harm, 915 MHz | 60 | dBuV/m | |||
Second Harm, 950 MHz | –58 | dBm | |||
Third Harm, 950 MHz | –42 | dBm | |||
Optimum load | |||||
Impedance 868-, 915-, and 920-MHz bands | 35 + j35 | Ω | |||
433-MHz band | 55 + j25 | Ω | |||
169-MHz band | 80 + j0 | Ω |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Phase noise in 950-MHz band | –99 | dBc/Hz | ± 10 kHz offset | ||
–99 | dBc/Hz | ± 100 kHz offset | |||
–123 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 868-, 915-, and 920-MHz bands | –99 | dBc/Hz | ± 10 kHz offset | ||
–100 | dBc/Hz | ± 100 kHz offset | |||
–122 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 433-MHz band | –106 | dBc/Hz | ± 10 kHz offset | ||
–107 | dBc/Hz | ± 100 kHz offset | |||
–127 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 169-MHz band | –111 | dBc/Hz | ± 10 kHz offset | ||
–116 | dBc/Hz | ± 100 kHz offset | |||
–135 | dBc/Hz | ± 1 MHz offset |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Phase noise in 950-MHz band | –90 | dBc/Hz | ± 10 kHz offset | ||
–92 | dBc/Hz | ± 100 kHz offset | |||
–124 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 868- and 915-MHz bands | –95 | dBc/Hz | ± 10 kHz offset | ||
–95 | dBc/Hz | ± 100 kHz offset | |||
–124 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 433-MHz band | –98 | dBc/Hz | ± 10 kHz offset | ||
–102 | dBc/Hz | ± 100 kHz offset | |||
–129 | dBc/Hz | ± 1 MHz offset | |||
Phase noise in 169-MHz band | –106 | dBc/Hz | ± 10 kHz offset | ||
–110 | dBc/Hz | ± 100 kHz offset | |||
–136 | dBc/Hz | ± 1 MHz offset |
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Powerdown to IDLE | 0.4 | ms | Depends on crystal | ||
IDLE to RX/TX | 166 | µs | Calibration disabled | ||
461 | µs | Calibration enabled | |||
RX/TX turnaround | 50 | µs | |||
RX/TX to IDLE time | 296 | µs | Calibrate when leaving RX/TX enabled | ||
0 | µs | Calibrate when leaving RX/TX disabled | |||
Frequency synthesizer calibration | 391 | µs | When using SCAL strobe | ||
Minimum required number of preamble bytes | 0.5 | bytes | Required for RF front-end gain settling only. Digital demodulation does not require preamble for settling. | ||
Time from start RX until valid RSSI Including gain settling (function of channel bandwidth). Programmable for trade-off between speed and accuracy |
0.3 | ms | 200-kHz channels |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Crystal frequency | 32 | 33.6 | MHz | It is expected that there will be degraded sensitivity at multiples of XOSC/2 in RX, and an increase in spurious emissions when the RF channel is close to multiples of XOSC in TX. We recommend that the RF channel is kept RX_BW/2 away from XOSC/2 in RX, and that the level of spurious emissions be evaluated if the RF channel is closer than 1 MHz to multiples of XOSC in TX. | |
Load capacitance (CL) | 10 | pF | |||
ESR | 60 | Ω | Simulated over operating conditions | ||
Start-up time | 0.4 | ms | Depends on crystal |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Clock frequency | 32 | 33.6 | MHz | ||
TCXO with CMOS output | TCXO with CMOS output directly coupled to pin EXT_OSC | ||||
High input voltage | 1.4 | VDD | V | ||
Low input voltage | 0 | 0.6 | V | ||
Rise / Fall time | 2 | ns | |||
Clipped sine output | TCXO clipped sine output connected to pin EXT_OSC through series capacitor | ||||
Clock input amplitude (peak-to-peak) | 0.8 | 1.5 | V |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Clock frequency | 32 | kHz | |||
32-kHz clock input pin input high voltage | 0.8×VDD | V | |||
32-kHz clock input pin input low voltage | 0.2×VDD | V |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Frequency | 32 | kHz | After calibration | ||
Frequency accuracy after calibration | ±0.1 | % | Relative to frequency reference (that is, 32-MHz crystal or TCXO) | ||
Initial calibration time | 1.6 | ms |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Logic input high voltage | 0.8×VDD | V | |||
Logic input low voltage | 0.2×VDD | V | |||
Logic output high voltage | 0.8×VDD | V | At 4-mA output load or less | ||
Logic output low voltage | 0.2×VDD | V | |||
Power-on reset threshold | 1.3 | V | Voltage on DVDD pin |
TA = 25°C, VDD = 3.0 V if nothing else stated
PARAMETER | MIN | TYP | MAX | UNIT | CONDITION |
---|---|---|---|---|---|
Temperature sensor range | –40 | 85 | °C | ||
Temperature coefficient | 2.66 | mV / °C | Change in sensor output voltage versus change in temperature | ||
Typical output voltage | 794 | mV | Typical sensor output voltage at TA = 25°C, VDD = 3.0 V | ||
VDD coefficient | 1.17 | mV / V | Change in sensor output voltage versus change in VDD |
The CC1121 device can be configured to provide a voltage proportional to temperature on GPIO1. The temperature can be estimated by measuring this voltage (See Section 4.19, Temperature Sensor). For more information, see the temperature sensor design note (SWRA415).
TA = 25°C, VDD = 3.0 V, fc = 869.5 MHz if nothing else stated.
All measurements performed on CC1120EM_868_915 rev.1.0.1, CC1120EM_955 rev.1.2.1, CC1120EM_420_470 rev.1.0.1 or CC1120EM_169 rev.1.2.
Figure 4-6 was measured at the 50-Ω antenna connector.