Datasheet

Appendix A Electrical Characteristics
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor 117
Figure 12-15. Typical Run I
DD
vs. V
DD
for FEI mode
A.7 Analog Comparator (ACMP) Electricals
A.8 Internal Clock Source Characteristics
Table A-6. Analog Comparator Electrical Specifications
Characteristic Symbol Min Typical Max Unit
Supply voltage
V
DD
1.80 — 5.5 V
Analog input voltage V
AIN
V
SS
– 0.3 — V
DD
V
Analog source impedance R
AS
——10kΩ
Analog input offset voltage
1
1
These data are characterized but not production tested. Measurements are made with the device entered STOP mode.
V
AIO
—2040mV
Analog Comparator hysteresis
1
V
H
3.0 9.0 15.0
mV
Analog Comparator bandgap reference voltage
1
V
BG
1.155 1.190 1.230 V
Supply current (active)
1
I
DDAC
—2035μA
Analog input leakage current
1
I
ALKG
——1.0μA
Analog Comparator initialization delay
1
t
AINIT
——1.0μs
Table A-7. Internal Clock Source Specifications
Characteristic Symbol Min Typ
1
Max Unit
Average internal reference frequency — factory trimmed at
V
DD
= 5 V and temperature = 25°C
f
int_ft
—20—MHz
Average internal reference frequency - untrimmed
f
int_ut
25 31.25 41.66 kHz
Average internal reference frequency - trimmed
f
int_t
31.25 31.25 39.0625 kHz
DCO output frequency range - untrimmed
f
dco_ut
12.8 16 21.33 MHz
DCO output frequency range - trimmed
f
dco_t
16 16 20 MHz
Resolution of trimmed DCO output frequency
at fixed voltage and temperature
Δf
dco_res_t
——±0.2
%f
dco
Total deviation of trimmed DCO output frequency
over voltage and temperature
Δf
dco_t
——±2
%f
dco
FLL acquisition time
2,3
t
acquire
—— 1ms