Datasheet

Electrical Characteristics
MC9RS08KB12 Series MCU Data Sheet, Rev. 5
Freescale Semiconductor 31
C Supply Current
ADLPC = 0
ADLSMP = 0
ADCO = 1
I
DDAD
— 0.582 1 mA
C ADC
Asynchronous
Clock Source
High Speed (ADLPC = 0) f
ADACK
23.35MHzt
ADACK
=
1/f
ADACK
Low Power (ADLPC = 1) 1.25 2 3.3
D Conversion
Time (Including
sample time)
Short Sample (ADLSMP = 0) t
ADC
— 20 — ADCK
cycles
See reference
manual for
conversion
time variances
Long Sample (ADLSMP = 1) — 40 —
D
Sample Time Short Sample (ADLSMP = 0) t
ADS
— 3.5 — ADCK
cycles
Long Sample (ADLSMP = 1) — 23.5 —
CTotal
Unadjusted
Error
10-bit mode E
TUE
— ±1.5 ±3.5 LSB
2
Includes
quantization
8-bit mode — ±0.7 ±1.5
T Differential
Non-Linearity
10-bit mode DNL — ±0.5 ±1.0 LSB
2
8-bit mode — ±0.3 ±0.5
Monotonicity and No-Missing-Codes guaranteed
C Integral
Non-Linearity
10-bit mode INL — ±0.5 ±1.0 LSB
2
8-bit mode — ±0.3 ±0.5
P Zero-Scale
Error
10-bit mode E
ZS
— ±1.5 ±2.5 LSB
2
V
ADIN
= V
SSA
8-bit mode — ±0.5 ±0.7
P Full-Scale Error 10-bit mode E
FS
— ±1 ±1.5 LSB
2
V
ADIN
= V
DDA
8-bit mode — ±0.5 ±0.5
D Quantization
Error
10-bit mode E
Q
——±0.5 LSB
2
8-bit mode — — ±0.5
D Input Leakage
Error
10-bit mode E
IL
— ±0.2 ±2.5 LSB
2
Pad leakage
2
*
R
AS
8-bit mode — ±0.1 ±1
1
Typical values assume V
DDAD
= 5.0 V, Temp = 25 °C, f
ADCK
= 1.0 MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
2
Based on input pad leakage current. Refer to pad electricals.
Table 15. 10-Bit ADC Characteristics (V
REFH
= V
DDAD
, V
REFL
= V
SSAD
, 2.7 V < V
DDAD
< 5.5 V)
C Characteristic Conditions Symb Min Typ
1
Max Unit Comment