Datasheet

Specifications
MC56F8006/MC56F8002 Digital Signal Controller, Rev. 4
Freescale Semiconductor 67
Table 37. ADC Characteristics (V
REFH
= V
DDA
, V
REFL
= V
SSA
)
Characteristic Conditions Symb Min Typ
1
Max Unit Comment
Supply current
ADLPC=1
ADLSMP=1
ADCO=1
I
DDAD
—120—A
Supply current
ADLPC=1
ADLSMP=0
ADCO=1
I
DDAD
—202—A
Supply current
ADLPC=0
ADLSMP=1
ADCO=1
I
DDAD
—288—A
Supply current
ADLPC=0
ADLSMP=0
ADCO=1
I
DDAD
— 0.532 1 mA
ADC
asynchronous
clock source
High speed (ADLPC=0) f
ADACK
23.35 MHzt
ADACK
=
1/f
ADACK
Low power (ADLPC=1) 1.25 2 3.3
Conversion time
(including
sample time)
Short sample (ADLSMP=0) t
ADC
— 20 — ADCK
cycles
Long sample (ADLSMP=1) — 40 —
Sample time Short sample (ADLSMP=0) t
ADS
— 3.5 — ADCK
cycles
Long sample (ADLSMP=1) — 23.5 —
Differential
Non-linearity
12-bit mode DNL — 1.75 — LSB
2
10-bit mode
3
— 0.5 1.0
8-bit mode
3
— 0.3 0.5
Integral
non-linearity
12-bit mode INL — 1.5 — LSB
2
10-bit mode — 0.5 1.0
8-bit mode — 0.3 0.5
Quantization
error
12-bit mode E
Q
— –1 to 0 — LSB
2
10-bit mode — — 0.5
8-bit mode — — 0.5
Input leakage
error
12-bit mode E
IL
— 2—LSB
2
Pad leakage
4
*
R
AS
10-bit mode — 0.2 4
8-bit mode — 0.1 1.2
Temp sensor
slope
–40C–25C m — 1.646 — mV/C
25C–125C — 1.769 —
Temp sensor
voltage
25CV
TEMP25
— 701.2 — mV