MC9S08MP16VLC Datasheet, PDF (27/36 Pages) Freescale Semiconductor, Inc – MC9S08MP16 Series Data Sheet

Electrical Characteristics
Table 15. Programmable Gain Amplifier Electrical Specifications (continued)
Num C
Parameter
4 D Differential input voltage
5
T Linearity (@ voltage gain)¹
• 1x
• 2x
• 4x
• 8x
• 16x
• 32x
Symbol
Min
( ) VDIFFMAX
– ^V----2-D----_^D----A-_G^----–-_a^---_i^-1-_n^--.--4-
L_V
1 – 1/2 LSB
2 – 1/2 LSB
4 – 1 LSB
8 – 1 LSB
16 – 4 LSB
32 – 4 LSB
Typical
0
1
2
4
8
16
32
Max
V_{-----D----D----A-----}–_{-----1---.--4-}
2  Gain
1 + 1/2 LSB
2 + 1/2 LSB
4 + 1 LSB
8 + 1 LSB
16 + 4 LSB
32 + 4 LSB
Unit
V
V/V
6 T Max gain error
7a D PGA clock
• normal mode (LP=0)
• low power mode (LP=1)
7b D PGA sampling frequency³
E_G
f_PGA
f_SAMPL
8 D Input signal bandwidth
BW
9 D Charge pump clock frequency
f_cpclk
1 _{LSB in 12-bit resolution}
2 _{8 MHz is required for PGA achieving 1 s sampling time.}
3 _{ADC in 12-bit mode, long sampling time, fADC = fPGA}
—
1
2
%
MHz
—
8²
8²
—
4
4
—
-------------------------------------------------¹---------------------------------------------------


-1---2-----+-----1---8-----^-----N_f--_P--U--_G--M--_A---_----C----L---K----_----G----S---_
+
----4---3------
f_ADC
+
------5------
f_BUS
—
Samples
per second
0
f_SAMPL  8
f_SAMPL  2
Hz
100
f_PGA  4
—
Hz
2.14 AC Characteristics
This section describes timing characteristics for each peripheral system.
2.14.1 Control Timing
Table 16. Control Timing
Num
1
2
3
4
5
6
C
Rating
Symbol
D
Bus frequency
(t_cyc = 1/f_Bus)
–40 to 105 C
–40 to 125 C
P Internal low power oscillator period
D External reset pulse width²
D Reset low drive
D BKGD/MS setup time after issuing background debug force
reset to enter user or BDM modes
D BKGD/MS hold time after issuing background debug force
reset to enter user or BDM modes ³
f_Bus
f_Bus
t_LPO
t_extrst
t_rstdrv
t_MSSU
t_MSH
Min
DC
DC
700
100
34 x t_cyc
500
100
Typ¹
—
—
—
—
—
—
—
Max
25.67
20
1300
—
—
—
Unit
MHz
MHz
s
ns
ns
ns
—
s
MC9S08MP16 Series Data Sheet, Rev. 2
Freescale Semiconductor
27