Datasheet

Electrical characteristics
i.MX RT1015 Crossover Processors Data Sheet for Consumer Products, Rev. 0.1, 03/2019
NXP Semiconductors 49
Conversion Time ADLSMP=0
ADSTS=00
Tconv — 0.7 — µs Fadc = 40 MHz
ADLSMP=0
ADSTS=01
0.75
ADLSMP=0
ADSTS=10
0.8
ADLSMP=0
ADSTS=11
0.85
ADLSMP=1
ADSTS=00
0.95
ADLSMP=1
ADSTS=01
1.05
ADLSMP=1
ADSTS=10
1.15
ADLSMP=1,
ADSTS=11
1.25
Total Unadjusted
Error
12 bit mode TUE — 3.4 — LSB
1 LSB =
(V
REFH
-
V
REFL
)/2
N
AVGE = 1, AVGS = 11
10 bit mode — 1.5 —
8 bit mode — 1.2 —
Differential
Non-Linearity
12 bit mode DNL — 0.76 — LSB AVGE = 1, AVGS = 11
10bit mode — 0.36 —
8 bit mode — 0.14 —
Integral Non-Linearity 12 bit mode INL — 2.78 — LSB AVGE = 1, AVGS = 11
10bit mode — 0.61 —
8 bit mode — 0.14 —
Zero-Scale Error 12 bit mode E
ZS
— -1.14 — LSB AVGE = 1, AVGS = 11
10bit mode — -0.25 —
8 bit mode — -0.19 —
Full-Scale Error 12 bit mode E
FS
— -1.06 — LSB AVGE = 1, AVGS = 11
10bit mode — -0.03 —
8 bit mode — -0.02 —
Effective Number of
Bits
12 bit mode ENOB 10.1 10.7 — Bits AVGE = 1, AVGS = 11
Signal to Noise plus
Distortion
See ENOB SINAD SINAD = 6.02 x ENOB + 1.76 dB AVGE = 1, AVGS = 11
1
All accuracy numbers assume the ADC is calibrated with V
REFH
=V
DDAD
Table 45. 12-bit ADC characteristics (V
REFH
= V
DDA
, V
REFL
= V
SSAD
) (continued)
Characteristic Conditions
1
Symb Min Typ
2
Max Unit Comment