K11P80M50SF4 Datasheet, PDF (35/54 Pages) Freescale Semiconductor, Inc – K11 Sub-Family Data Sheet

Z_AS
R_AS
Peripheral operating requirements and behaviors
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
Pad
leakage
due to
input
protection
Z_ADIN
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
R_ADIN
ADC SAR
ENGINE
V_ADIN
V_AS
C_AS
INPUT PIN
INPUT PIN
INPUT PIN
R_ADIN
R_ADIN
R_ADIN
C_ADIN
Figure 9. ADC input impedance equivalency diagram
6.6.1.2 16-bit ADC electrical characteristics
Table 25. 16-bit ADC characteristics (V_REFH = V_DDA, V_REFL = V_SSA)
Symbol Description
Conditions¹
Min.
Typ.²
Max.
Unit
I_{DDA_ADC} Supply current
0.215
—
ADC
• ADLPC = 1, ADHSC = 0 1.2
2.4
f_ADACK
asynchronous
clock source
• ADLPC = 1, ADHSC = 1 2.4
• ADLPC = 0, ADHSC = 0 3.0
4.0
5.2
• ADLPC = 0, ADHSC = 1 4.4
6.2
1.7
mA
3.9
MHz
6.1
MHz
7.3
MHz
9.5
MHz
TUE
Sample Time
Total unadjusted
error
See Reference Manual chapter for sample times
• 12-bit modes
—
±4
• <12-bit modes
—
±1.4
±6.8
±2.1
LSB⁴
DNL
Differential non-
linearity
INL Integral non-
linearity
E_FS Full-scale error
• 12-bit modes
• <12-bit modes
• 12-bit modes
• <12-bit modes
• 12-bit modes
• <12-bit modes
—
±0.7 -1.1 to +1.9 LSB⁴
-0.3 to 0.5
—
±0.2
—
±1.0 -2.7 to +1.9 LSB⁴
-0.7 to +0.5
—
±0.5
—
-4
-5.4
LSB⁴
—
-1.4
-1.8
Table continues on the next page...
Notes
3
t_ADACK = 1/
f_ADACK
5
5
5
V_ADIN =
V_DDA
5
K11 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.
Freescale Semiconductor, Inc.
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