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| CC2533_12 Datasheet, PDF (9/34 Pages) Texas Instruments – An Optimized System-on-Chip Solution for 2.4-GHz IEEE 802.15.4 Remote Control Applications | |||
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CC2533
www.ti.com
SWRS087 â JUNE 2010
16-MHz RC OSCILLATOR
Measured on Texas Instruments CC2533 EM reference design with TA = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN
Frequency (1)
Uncalibrated frequency accuracy
Calibrated frequency accuracy
Start-up time
Initial calibration time(2)
TYP
16
±18%
±0.6%
50
MAX UNIT
MHz
±1%
10 ms
ms
(1) The calibrated 16-MHz RC oscillator frequency is the 32-MHz XTAL frequency divided by 2.
(2) When the 16-MHz RC oscillator is enabled, it is calibrated when a switch from the 16-MHz RC oscillator to the 32-MHz crystal oscillator
is performed while SLEEPCMD.OSC_PD is set to 0.
RSSI/CCA CHARACTERISTICS
Measured on Texas Instruments CC2533 EM reference design with TA = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN TYP
RSSI range
100
Absolute uncalibrated RSSI/CCA accuracy
±4
RSSI/CCA offset
73
Step size (LSB value)
1
MAX
UNIT
dB
dB
dB
dB
FREQEST CHARACTERISTICS
Measured on Texas Instruments CC2533 EM reference design with TA = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN
FREQEST range
FREQEST accuracy
FREQEST offset
Step size (LSB value)
TYP
±250
±40
20
7.8
MAX
UNIT
kHz
kHz
kHz
kHz
FREQUENCY SYNTHESIZER CHARACTERISTICS
Measured on Texas Instruments CC2533 EM reference design with TA = 25°C, VDD = 3 V, and fc = 2440 MHz
PARAMETER
TEST CONDITIONS
MIN TYP MAX
At ±1-MHz offset from carrier
â110
Phase noise, unmodulated carrier At ±2-MHz offset from carrier
â117
At ±5-MHz offset from carrier
â122
UNIT
dBc/Hz
BATTERY MONITOR CHARACTERISTICS
Measured on Texas Instruments CC2533 EM reference design with TA = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
MIN
Settling time
Step size
For voltages up to 2.5 V
For voltages above 2.5 V
Calibrated accuracy
Across 1.95 V to 2.5 V, with single-point calibration at 1.95 V
Across 2.5 V to 3.6 V, with single-point calibration at 1.95 V
TYP
MAX UNIT
2 µs
24
mV
169
mV
2
20 mV
10
55 mV
CONTROL INPUT AC CHARACTERISTICS
TA = â40°C to 125°C, VDD = 2 V to 3.6 V
PARAMETER
TEST CONDITIONS
System clock, fSYSCLK
tSYSCLK = 1/fSYSCLK
The undivided system clock is 32 MHz when crystal oscillator is used.
The undivided system clock is 16 MHz when calibrated 16-MHz RC
oscillator is used.
MIN TYP
16
MAX UNIT
32 MHz
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): CC2533
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