Datasheet

Electrical Characteristics
MC9S08LL16 Series MCU Data Sheet, Rev. 7
Freescale Semiconductor 37
Table 18. 12-bit ADC Characteristics (V
REFH
= V
DDA
, V
REFL
= V
SSA
)
C Characteristic Conditions Symb Min Typ
1
Max Unit Comment
T
Supply Current
ADLPC=1
ADLSMP=1
ADCO=1
I
DDA
— 120 — μA
T
Supply Current
ADLPC=1
ADLSMP=0
ADCO=1
I
DDA
— 200 — μA
T
Supply Current
ADLPC=0
ADLSMP=1
ADCO=1
I
DDA
— 290 — μA
P
Supply Current
ADLPC=0
ADLSMP=0
ADCO=1
I
DDA
—0.53 1 mA
PADC
Asynchronous
Clock Source
High Speed (ADLPC=0)
f
ADACK
23.35
MHz
t
ADACK
=
1/f
ADACK
C Low Power (ADLPC=1) 1.25 2 3.3
P Conversion
Time (Including
sample time)
Short Sample (ADLSMP=0)
t
ADC
—20—
ADCK
cycles
See ADC
chapter in the
LL16
Reference
Manual for
conversion
time variances
C Long Sample (ADLSMP=1) — 40 —
P
Sample Time
Short Sample (ADLSMP=0)
t
ADS
—3.5—
ADCK
cycles
C Long Sample (ADLSMP=1) — 23.5 —
T
Total
Unadjusted
Error
12-bit mode,
3.6>VDDA>2.7V
E
TUE
— –1 to 3
–2.5 to
5.5
LSB
2
Includes
quantization
12-bit mode,
2.7>VDDA>1.8V
— –1 to 3
–3.0 to
6.0
P 10-bit mode — ±1 ±2.5
T 8-bit mode — ±0.5 ±1.0
T
Differential
Non-Linearity
12-bit mode
DNL
— ±1
–1.5 to
2.0
LSB
2
P 10-bit mode
3
— ±0.5 ±1.0
T 8-bit mode
3
— ±0.3 ±0.5
T
Integral
Non-Linearity
12-bit mode
INL
— ±1.5
–2.5 to
1.0
LSB
2
P 10-bit mode — ±0.5 ±1.0
T 8-bit mode — ±0.3 ±0.5