Datasheet

3.6.1.2 12-bit ADC electrical characteristics
Table 25. 12-bit ADC characteristics (V
REFH
= V
DDA
, V
REFL
= V
SSA
)
Symbol Description Conditions
1
Min. Typ.
2
Max. Unit Notes
I
DDA_ADC
Supply current 0.215 — 1.7 mA 3
f
ADACK
ADC
asynchronous
clock source
• ADLPC = 1, ADHSC =
0
• ADLPC = 1, ADHSC =
1
• ADLPC = 0, ADHSC =
0
• ADLPC = 0, ADHSC =
1
1.2
2.4
3.0
4.4
2.4
4.0
5.2
6.2
3.9
6.1
7.3
9.5
MHz
MHz
MHz
MHz
t
ADACK
= 1/
f
ADACK
Sample Time See Reference Manual chapter for sample times
TUE Total unadjusted
error
• 12-bit modes
• <12-bit modes
—
—
±4
±1.4
±6.8
±2.1
LSB
4
5
DNL Differential non-
linearity
• 12-bit modes
• <12-bit modes
—
—
±0.7
±0.2
–1.1 to
+1.9
–0.3 to 0.5
LSB
4
5
INL Integral non-
linearity
• 12-bit modes
• <12-bit modes
—
—
±1.0
±0.5
–2.7 to
+1.9
–0.7 to
+0.5
LSB
4
5
E
FS
Full-scale error • 12-bit modes
• <12-bit modes
—
—
–4
–1.4
–5.4
–1.8
LSB
4
V
ADIN
=
V
DDA
5
E
Q
Quantization
error
• 12-bit modes — — ±0.5 LSB
4
E
IL
Input leakage
error
I
In
× R
AS
mV I
In
=
leakage
current
(refer to
the MCU's
voltage
and
current
operating
ratings)
Temp sensor
slope
Across the full temperature
range of the device
1.55 1.62 1.69 mV/°C 6
V
TEMP25
Temp sensor
voltage
25 °C 706 716 726 mV 6
1. All accuracy numbers assume the ADC is calibrated with V
REFH
= V
DDA
2. Typical values assume V
DDA
= 3.0 V, Temp = 25 °C, f
ADCK
= 2.0 MHz unless otherwise stated. Typical values are for
reference only and are not tested in production.
Peripheral operating requirements and behaviors
Kinetis KL05 32 KB Flash, Rev4 03/2014. 27
Freescale Semiconductor, Inc.