Texas Instruments SimpleLink CC2652RB, Manual

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8.15 Peripheral Characteristics
8.15.1 ADC
8.15.1.1 Analog-to-Digital Converter (ADC) Characteristics
T
c
= 25 °C, V
DDS
= 3.0 V and voltage scaling enabled, unless otherwise noted.
(1)
Performance numbers require use of offset and gain adjustements in software by TI-provided ADC drivers.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input voltage range 0 VDDS V
Resolution 12 Bits
Sample Rate 200 ksps
Offset Internal 4.3 V equivalent reference
(2)
–0.24 LSB
Gain error Internal 4.3 V equivalent reference
(2)
7.14 LSB
DNL
(4)
Differential nonlinearity >–1 LSB
INL Integral nonlinearity ±4 LSB
ENOB Effective number of bits
Internal 4.3 V equivalent reference
(2)
, 200 kSamples/s,
9.6 kHz input tone
9.8
Bits
Internal 4.3 V equivalent reference
(2)
, 200 kSamples/s,
9.6 kHz input tone, DC/DC enabled
9.8
VDDS as reference, 200 kSamples/s, 9.6 kHz input
tone
10.1
Internal reference, voltage scaling disabled,
32 samples average, 200 kSamples/s, 300 Hz input
tone
11.1
Internal reference, voltage scaling disabled,
14-bit mode, 200 kSamples/s, 600 Hz input tone
(5)
11.3
Internal reference, voltage scaling disabled,
15-bit mode, 200 kSamples/s, 150 Hz input tone
(5)
11.6
THD Total harmonic distortion
Internal 4.3 V equivalent reference
(2)
, 200 kSamples/s,
9.6 kHz input tone
–65
dB
VDDS as reference, 200 kSamples/s, 9.6 kHz input
tone
–70
Internal reference, voltage scaling disabled,
32 samples average, 200 kSamples/s, 300 Hz input
tone
–72
SINAD,
SNDR
Signal-to-noise
and
distortion ratio
Internal 4.3 V equivalent reference
(2)
, 200 kSamples/s,
9.6 kHz input tone
60
dB
VDDS as reference, 200 kSamples/s, 9.6 kHz input
tone
63
Internal reference, voltage scaling disabled,
32 samples average, 200 kSamples/s, 300 Hz input
tone
68
SFDR
Spurious-free dynamic
range
Internal 4.3 V equivalent reference
(2)
, 200 kSamples/s,
9.6 kHz input tone
70
dB
VDDS as reference, 200 kSamples/s, 9.6 kHz input
tone
73
Internal reference, voltage scaling disabled,
32 samples average, 200 kSamples/s, 300 Hz input
tone
75
Conversion time Serial conversion, time-to-output, 24 MHz clock 50 Clock Cycles
Current consumption Internal 4.3 V equivalent reference
(2)
0.42 mA
Current consumption VDDS as reference 0.6 mA
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CC2652RB
SWRS232D – FEBRUARY 2019 – REVISED FEBRUARY 2021
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