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| 型號(hào)： | QADCRM |
| 英文描述： | Queued Analog-to-Digital Converter Reference Manual |
| 中文描述： | 排隊(duì)模擬到數(shù)字轉(zhuǎn)換器參考手冊(cè) |
| 文件頁(yè)數(shù)： | 98/122頁(yè) |
| 文件大?。?/td> | 940K |
| 代理商： | QADCRM |
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MOTOROLA
A-2
ELECTRICAL CHARACTERISTICS
QADC
REFERENCE MANUAL
NOTES:
1. Refers to operation over full temperature and frequency range.
2. To obtain full-scale, full-range results, V
SSA
≤
V
RL
≤
V
INDC
≤
V
RH
≤
V
DDA
.
3. Accuracy tested and guaranteed at V
RH
– V
RL
= 5.0V
±
10%.
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]
5. Open drain only.
6. Current measured at maximum system clock frequency with QADC active.
7. Maximum leakage occurs at maximum operating temperature. Current decreases by approximately one-half
for each 10
°
C decrease from maximum temperature.
8. This parameter is periodically sampled rather than 100% tested.
Table A-2 QADC DC Electrical Characteristics (Operating)
(V
SSI
and V
SSA
= 0Vdc, F
QCLK
= 2.1 MHz, T
A
within operating temperature range)
Num
1
2
3
4
5
6
7
8
9
10
11
12
13
Parameter
Symbol
V
DDA
V
DDI
V
SSI
– V
SSA
V
DDI
– V
DDA
V
RL
V
RH
V
RH
– V
RL
V
DDA
/2
V
INDC
V
IH
V
IL
V
HYS
Min
4.5
4.5
– 1.0
– 1.0
V
SSA
—
4.5
2.25
V
SSA
Max
5.5
5.5
1.0
1.0
—
V
DDA
5.5
2.75
V
DDA
Unit
V
V
mV
V
V
V
V
V
V
V
V
V
Analog Supply
1
Internal Digital Supply
1
V
SS
Differential Voltage
V
DD
Differential Voltage
Reference Voltage Low
2
Reference Voltage High
2
V
REF
Differential Voltage
3
Mid-Analog Supply Voltage
Input Voltage
Input High Voltage, PQA and PQB
Input Low Voltage, PQA and PQB
Input Hysteresis
4
Output Low Voltage, PQA
5
I
OL
= 5.3 mA
I
OL
= 10.0
μ
A
Analog Supply Current
Normal Operation
6
Low-Power Stop
Reference Supply Current
Load Capacitance, PQA
Input Current, Channel Off
7
PQA
PQB
Total Input Capacitance
8
PQA Not Sampling
PQA Sampling
PQB Not Sampling
PQB Sampling
0.7 (V
DDA
) V
DDA
+ 0.3
V
SSA
– 0.3
0.5
0.2 (V
DDA
)
—
V
OL
—
—
0.4
0.2
V
14
I
DDA
—
—
—
—
15.0
10.0
150
90
mA
μ
A
μ
A
pF
15
16
17
I
REF
C
L
I
OFF
—
—
250
150
nA
18
C
IN
—
—
—
—
15
20
10
15
pF
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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