Datasheet

Electrical Characteristics
MC9S08LG32 Series Data Sheet, Rev. 9
Freescale Semiconductor 27
Table 13. 12-bit ADC Characteristics (V
REFH
= V
DDAD
, V
REFL
= V
SSAD
)
Num C Characteristic Conditions Symb Min Typ
1
Max Unit Comment
1 T Supply Current
ADLPC = 1
ADLSMP = 1
ADCO = 1
—I
DDAD
— 195 — A—
2 T Supply Current
ADLPC = 1
ADLSMP = 0
ADCO = 1
—I
DDAD
— 347 — A—
3 T Supply Current
ADLPC = 0
ADLSMP = 1
ADCO = 1
—I
DDAD
— 407 — A—
4 P Supply Current
ADLPC = 0
ADLSMP = 0
ADCO = 1
—I
DDAD
—0.755 1 mA —
5 — Supply Current Stop, Reset, Module Off IDDAD 0.011 1 A—
6PADC
Asynchronous
Clock Source
High Speed (ADLPC=0) f
ADACK
23.35MHzt
ADACK
=
1/f
ADACK
Low Power (ADLPC=1) 1.25 2 3.3
7 C Conversion
Time (Including
sample time)
Short sample (ADLSMP=0) t
ADC
— 20 — ADCK
cycles
See ADC
chapter in the
LG32
Reference
Manual for
conversion
time variances
Long sample (ADLSMP=1) — 40 —
8 C Sample Time Short sample (ADLSMP=0) t
ADS
— 3.5 — ADCK
cycles
Long sample (ADLSMP=1) — 23.5 —
9TTotal
Unadjusted
Error
12-bit mode E
TUE
— 3.0 — LSB
2
Includes
quantization
P 10-bit mode — 1 2.5
T8-bit mode —0.5 1
10 T Differential
Non-Linearity
12-bit mode DNL — 1.75 — LSB
2
P 10-bit mode
3
— 0.5 1.0
T8-bit mode
3
— 0.3 0.5
11 T Integral
Non-Linearity
12-bit mode INL — 1.5 — LSB
2
P 10-bit mode — 0.5 1
T8-bit mode —0.3 0.5
12 T Zero-Scale
Error
12-bit mode E
ZS
— 1.5 — LSB
2
V
ADIN
= V
SSAD
P 10-bit mode — 0.5 1.5
T8-bit mode —0.5 0.5