CC2541F256RHAR Datasheet, PDF (10/30 Pages) Texas Instruments – 2.4-GHz Bluetooth™ low energy and Proprietary System-on-Chip

CC2541
SWRS110D – JANUARY 2012 – REVISED JUNE 2013
RSSI CHARACTERISTICS
Measured on Texas Instruments CC2541 EM reference design with T_A = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN
2 Mbps, GFSK, 320-kHz Deviation, 0.1% BER and 2 Mbps, GFSK, 500-kHz Deviation, 0.1% BER
Useful RSSI range⁽¹⁾
Reduced gain by AGC algorithm
High gain by AGC algorithm
RSSI offset⁽¹⁾
Absolute uncalibrated accuracy⁽¹⁾
Reduced gain by AGC algorithm
High gain by AGC algorithm
Step size (LSB value)
All Other Rates/Formats
Useful RSSI range⁽¹⁾
Standard mode
High-gain mode
RSSI offset⁽¹⁾
Absolute uncalibrated accuracy⁽¹⁾
Standard mode
High-gain mode
Step size (LSB value)
(1) Assuming CC2541 EM reference design. Other RF designs give an offset from the reported value.
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TYP
MAX UNIT
64
dB
64
79
dBm
99
±6
dB
1
dB
64
dB
64
98
dBm
107
±3
dB
1
dB
FREQUENCY SYNTHESIZER CHARACTERISTICS
Measured on Texas Instruments CC2541 EM reference design with T_A = 25°C, VDD = 3 V and f_c = 2440 MHz
PARAMETER
TEST CONDITIONS
MIN TYP MAX
At ±1-MHz offset from carrier
–109
Phase noise, unmodulated carrier
At ±3-MHz offset from carrier
–112
At ±5-MHz offset from carrier
–119
UNIT
dBc/Hz
ANALOG TEMPERATURE SENSOR
Measured on Texas Instruments CC2541 EM reference design with T_A = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN
Output
Temperature coefficient
Voltage coefficient
Initial accuracy without calibration
Measured using integrated ADC, internal band-gap voltage
reference, and maximum resolution
Accuracy using 1-point calibration
Current consumption when enabled
TYP
1480
4.5
1
±10
±5
0.5
MAX
UNIT
12-bit
/ 1°C
0.1 V
°C
°C
mA
COMPARATOR CHARACTERISTICS
T_A = 25°C, VDD = 3 V. All measurement results are obtained using the CC2541 reference designs, post-calibration.
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Common-mode maximum voltage
VDD
V
Common-mode minimum voltage
–0.3
Input offset voltage
1
mV
Offset vs temperature
16
µV/°C
Offset vs operating voltage
4
mV/V
Supply current
230
nA
Hysteresis
0.15
mV
10
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