Datasheet

PRACMP Characteristics
MC9S08SF4 Series MCU Data Sheet, Rev. 4
Freescale Semiconductor 21
3.11 PRACMP Characteristics
15
D
Ideal resolution
(1
LSB)
10-bit mode
RES
2.637 4.883 5.371
mV V
REFH
/2
N
D 8-bit mode 10.547 19.53 21.48
16
D
Total unadjusted
error
10-bit mode
E
TUE
0 1.5 3.5
LSB
Includes
quantization
D8-bit mode 00.7 1.0
17
P
Differential
non-linearity
3
10-bit mode
DNL
0 0.5 1.0
LSB
C8-bit mode 00.3 0.5
18
P
Integral
non-linearity
10-bit mode
INL
0 0.5 1.0
LSB
C8-bit mode 00.3 0.5
19
D
Zero-scale error
10-bit mode
E
ZS
0 1.5 3.1
LSB V
ADIN
= V
SSA
D8-bit mode 00.5 0.7
20
D
Full-scale error
10-bit mode
E
FS
0 1.0 1.5
LSB V
ADIN
= V
DDA
D8-bit mode 00.5 0.5
21 D
Quantization
error
10-bit mode E
Q
——0.5 LSB
8-bit mode is
not truncated
22 P
Temp sensor
slope
–40–25 C—3.266
25–125 C—3.638
23 P
Temp sensor
voltage
——1.396
1
Typical values assume V
DDA
= 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
At 4 MHz, for maximum frequency, use proportionally lower source impedance.
3
Monotonicity and no-missing-codes guaranteed
Table 12. PRACMP Specifications
Num C Characteristic Symbol Min Typical Max Unit
1 P Supply voltage
V
PWR
2.70 5.50 V
2 C Supply current (active) (PRG enabled)
I
DDACT1
——60A
3 C Supply current (active) (PRG disabled)
I
DDACT2
——40A
4 C Supply current (ACMP and PRG all disabled)
I
DDDIS
—— 2 nA
5 C Analog input voltage
V
AIN
V
SS
– 0.3
V
DD
V
6 C Analog input offset voltage
V
AIO
—540mV
7 C Analog comparator hysteresis
V
H
3.0 20.0 mV
8 C Analog input leakage current
I
ALKG
—— 1 nA
9 C Analog comparator initialization delay
t
AINIT
——1.0s
Table 11. ADC Characteristics (continued)
Num C Characteristic Conditions Symb Min Typical
1
Max Unit Comment