Datasheet

MC9S08MP16 Series Data Sheet, Rev. 2
Electrical Characteristics
Freescale Semiconductor26
2.11 Digital to Analog (DAC) Characteristics
• The accuracy at worst case: +/- 1.5% maximum
• The settling time must be less than 100 ns
• When changing the output voltage level, the voltage glitch cannot be completely eliminated
2.12 High Speed Comparator (HSCMP) Characteristics
2.13 Programmable Gain Amplifier (PGA) Characteristics
Table 13. 5-bit DAC Characteristics
Num C Characteristic Symbol Min Typical Max Unit
2 D Supply current adder (enabled) I
DDAC
——20A
3 D DAC reference inputs Vin V
SSA
—V
DDA
V
5 D DAC step size V
step
0.75  V
in
/32 V
in
/32 1.25  V
in
/32 V
6 D DAC voltage range V
dacout
V
in
/32 — V
in
V
Table 14. High Speed Comparator Electrical Specifications
Num C Characteristic
1
1
All timing assumes slew rate control disabled and high drive strength enabled.
Symbol Min Typical Max Unit
1 D Supply current, High Speed Mode
(EN=1, PMODE=1)
I
DDAHS
— 200 A
2 D Supply current, Low Speed Mode
(EN=1, PMODE=0)
I
DDALS
—10 A
3 — Analog input voltage V
AIN
V
SSA
—V
DDA
V
4 P Analog input offset voltage V
AIO
—540mV
5 C Analog Comparator hysteresis V
H
3.0 9 20.0 mV
6 T Propagation Delay, High Speed Mode
(EN=1, PMODE=1)
t
DHS
2
2
Delay from analog input to the CMPxOUT output pin. Measured with an input waveform that switches 30 mV above and
below the reference.
—70120ns
7 T Propagation Delay, Low Speed Mode
(EN=1, PMODE=0)
t
DLS
2
— 400 600 ns
8 D Analog comparator initialization delay t
AINIT
— 400 — ns
Table 15. Programmable Gain Amplifier Electrical Specifications
Num C Parameter Symbol Min Typical Max Unit
1 T Supply current adder
• normal mode (LP=0)
• low power mode (LP=1)
I
DDON
—
—
450
250
550
300
uA
2 T Supply current adder (stand-by) I
DDAOFF
— 1 10 nA
3 T Absolute analog input level V
IL
V
SSA
V
DDA
/2 V
DDA
V