Datasheet

Chapter 3 Electrical Characteristics and Timing Specifications
MC9S08AC128 MCU Series Data Sheet, Rev. 4
Freescale Semiconductor 23
Table 3-9. 5 Volt 10-bit ADC Characteristics (V
REFH
= V
DDAD
, V
REFL
= V
SSAD
)
Characteristic Conditions C Symb Min Typ
1
Max Unit
Supply current
ADLPC = 1
ADLSMP = 1
ADCO = 1
TI
DDAD
— 133 — A
Supply current
ADLPC = 1
ADLSMP = 0
ADCO = 1
TI
DDAD
— 218 — A
Supply current
ADLPC = 0
ADLSMP = 1
ADCO = 1
TI
DDAD
— 327 — A
Supply current
ADLPC = 0
ADLSMP = 0
ADCO = 1
TI
DDAD
— 582 — A
V
DDAD
< 5.5 V
P——1mA
ADC asynchronous clock source
t
ADACK
= 1/f
ADACK
High speed (ADLPC = 0)
P
f
ADACK
23.35MHz
Low power (ADLPC = 1) 1.25 2 3.3
Conversion time
(Including sample time)
Short sample (ADLSMP = 0) P t
ADC
—20—ADCK
cycles
Long sample (ADLSMP = 1)
—40—
Sample time
Short sample (ADLSMP = 0) P t
ADS
—3.5—ADCK
cycles
Long sample (ADLSMP = 1) — 23.5 —
Total unadjusted error
Includes quantization
10-bit mode P E
TUE
— 1 2.5 LSB
2
8-bit mode — 0.5 1.0
Differential non-linearity
10-bit mode P DNL — 0.5 1.0 LSB
2
8-bit mode — 0.3 0.5
Monotonicity and no-missing-codes guaranteed
Integral non-linearity
10-bit mode C INL — 0.5 1.0 LSB
2
8-bit mode — 0.3 0.5
Zero-scale error
V
ADIN
= V
SSA
10-bit mode
P
E
ZS
— 0.5 1.5 LSB
2
8-bit mode — 0.5 0.5
Full-scale error
V
ADIN
= V
DDA
10-bit mode
P
E
FS
— 0.5 1.5 LSB
2
8-bit mode — 0.5 0.5
Quantization error
10-bit mode D E
Q
——0.5 LSB
2
8-bit mode — — 0.5