Texas Instruments SimpleLink CC2652PSIP, Руководство пользователя

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8.16.6 ADC Performance
Frequency [kHz]
ENOB [Bit
]
0.2 0.3 0.5 0.7 1 2 3 4 5 6 7 8 10 20 30 40 50 70 100
9.6
9.9
10.2
10.5
10.8
11.1
11.4
Internal Reference, No Averaging
Internal Unscaled Reference, 14-bit Mode
Figure 8-30. ENOB vs. Input Frequency
Frequency [kHz]
ENOB [Bit
]
Vin = 3.0 V Sine wave, Internal reference, Fin = Fs / 10
1 2 3 4 5 6 7 8 10 20 30 40 50 70 100 200
9.8
9.85
9.9
9.95
10
10.05
10.1
10.15
10.2
Figure 8-31. ENOB vs. Sampling Frequency
ADC Code
INL
[LSB]
Vin = 3.0 V Sine wave, Internal reference, 200 kSamples/s
0 400 800 1200 1600 2000 2400 2800 3200 3600 4000
-1.5
-1
-0.5
0
0.5
1
1.5
Figure 8-32. INL vs. ADC Code
ADC Code
DNL
[LSB]
Vin = 3.0 V Sine wave, Internal reference, 200 kSamples/s
0 400 800 1200 1600 2000 2400 2800 3200 3600 4000
-0.5
0
0.5
1
1.5
2
2.5
Figure 8-33. DNL vs. ADC Code
Temperature [°C]
V
oltage [
V]
Vin = 1 V, Internal reference, 200 kSamples/s
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
1
1.001
1.002
1.003
1.004
1.005
1.006
1.007
1.008
1.009
1.01
Figure 8-34. ADC Accuracy vs. Temperature
Voltage [V]
V
oltage [
V]
Vin = 1 V, Internal reference, 200 kSamples/s
1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6
1
1.001
1.002
1.003
1.004
1.005
1.006
1.007
1.008
1.009
1.01
Figure 8-35. ADC Accuracy vs. Supply Voltage
(VDDS)
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CC2652PSIP
SWRS263A – FEBRUARY 2021 – REVISED JUNE 2022
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