
MC68F375
ELECTRICAL CHARACTERISTICS
MOTOROLA
REFERENCE MANUAL
Rev. 25 June 03
E-25
Table E-11 QADC64 DC Electrical Characteristics (Operating)
(V
SS
and V
SSA
= 0 Vdc, F
QCLK
= 2.1 MHz, T
A
within operating temperature range)
Num
Parameter
Symbol
Min
Max
Unit
1
Analog Supply
1
NOTES:
1. Refers to operation over full temperature and frequency range.
V
DDA
4.5
5.5
V
2
V
DD
3.0
3.6
V
3
V
SS
Differential Voltage9
V
SS
–
V
SSA
– 100
100
mV
4
V
DD
Differential Voltage9
V
DD
–
V
DDA
– 1.0
1.0
V
5
Reference Voltage Low
2
2. To obtain full-scale, full-range results, VSSA ≤ VRL ≤ VINDC ≤ VRH ≤ VDDA.
V
RL
VSSA
V
SSA
+0.1
V
6
V
RH
V
DDA
- 0.1
VDDA
V
7VREF Differential Voltage
3
3. Accuracy tested and guaranteed at VRH - VRL = 5.0V ± 10%.
VRH - VRL
4.5
5.5
V
8
Mid-Analog Supply Voltage9
V
DDA
/ 2
2.25
2.75
V
9
Input Voltage
VINDC
V
SSA
-0.3
V
DDA
+0.3
V
10
Input High Voltage, PQA and PQB
V
IH
0.7 (VDDA)VDDA + 0.3
V
11
Input Low Voltage, PQA and PQB
V
IL
VSSA – 0.3
0.4(V
DDA
)
V
12
Input Hysteresis
4,9
4. Parameter applies to the following pins:
Port A: PQA[7:0]/AN[59:58]/ETRIG[2:1]
Port B: PQB[7:0]/AN[3:0]/AN[51:48]/AN[Z:W]
V
HYS
0.5
—
V
13
Output Low Voltage, PQA
5
IOL = 5.0 mA
IOL = 10.0 A
5. Open drain only.
V
OL
—
0.4
0.2
V
14
Analog Supply Current
Normal Operation6
Low-Power Stop
6. Current measured at maximum system clock frequency with QADC64 active.
IDDA
—
15.0
10.0
mA
A
15
Reference Supply Current9
IREF
—
250
A
16
Load Capacitance, PQA9
C
L
—50
pF
17
Input Current, Channel Off
7
PQA
PQB
7. Maximum leakage occurs at maximum operating temperature. Current decreases by approximately one-half for each 10
°
C decrease from maximum temperature.
I
OFF
—
200
150
nA
18
Total Input Capacitance8
PQA Not Sampling
PQA Sampling
PQB Not Sampling
PQB Sampling
8. This parameter is periodically sampled rather than 100% tested.
9. Design information only, not tested.
C
IN
—
15
20
10
15
pF
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.