Datasheet

i.MX RT1015 Crossover Processors Data Sheet for Consumer Products, Rev. 0.1, 03/2019
46 NXP Semiconductors
Electrical characteristics
4.7.2.1 12-bit ADC electrical characteristics
The section provide information about 12-bit ADC electrical characteristics.
4.7.2.1.1 12-bit ADC operating conditions
Table 44. 12-bit ADC operating conditions
Characteristic Conditions Symb Min Typ
1
1
Typical values assume VDDAD = 3.0 V, Temp = 25°C, f
ADCK
=20 MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max Unit Comment
Supply voltage Absolute V
DDA
3.0 - 3.6 V —
Delta to VDD
(VDD-VDDA)
2
2
DC potential differences
V
DDA
-100 0 100 mV —
Ground voltage Delta to VSS
(VSS-VSSAD)
V
SSAD
-100 0 100 mV —
Ref Voltage High — V
DDA
1.13 V
DDA
V
DDA
V —
Ref Voltage Low — V
SS
V
SS
V
SS
V
SS
V —
Input Voltage — V
ADIN
V
SS
—V
DDA
V —
Input Capacitance 8/10/12 bit modes C
ADIN
—1.52 pF —
Input Resistance ADLPC=0, ADHSC=1 R
ADIN
—5 7 kohms —
ADLPC=0, ADHSC=0 — 12.5 15 kohms —
ADLPC=1, ADHSC=0 — 25 30 kohms —
Analog Source
Resistance
12 bit mode f
ADCK
=
40MHz ADLSMP=0,
ADSTS=10, ADHSC=1
R
AS
— — 1 kohms T
samp
=150
ns
R
AS
depends on Sample Time Setting (ADLSMP, ADSTS) and ADC Power Mode (ADHSC, ADLPC). See charts for Minimum
Sample Time vs R
AS
ADC Conversion Clock
Frequency
ADLPC=0, ADHSC=1
12 bit mode
f
ADCK
4 — 40 MHz —
ADLPC=0, ADHSC=0
12 bit mode
4 — 30 MHz —
ADLPC=1, ADHSC=0
12 bit mode
4 — 20 MHz —