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參數(shù)資料
| 型號： | MAC7121MAG50 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | Microcontroller Family Hardware Specifications |
| 中文描述： | 微控制器系列硬件規(guī)格 |
| 文件頁數(shù)： | 24/56頁 |
| 文件大小： | 471K |
| 代理商： | MAC7121MAG50 |
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MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Electrical Characteristics
Freescale Semiconductor
24
3.10 Analog-to-Digital Converter
Table 26
and
Table 27
show conditions under which the ATD operates. The following constraints exist to
obtain full-scale, full range results: V
SS
A
≤
V
RL
≤
V
IN
≤
V
RH
≤
V
DD
A. This constraint exists because the
sample buffer amplifier cannot drive beyond the ATD power supply levels. If the input level goes outside of
this range it will effectively be clipped.
Table 26. ATD Operating Characteristics in 5.0 V Range
Conditions shown in
Table 7
unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
N1
D Reference Potential
Low
High
V
RL
V
RH
V
SS
A
V
DD
A
÷
2
—
—
V
DD
A
÷
2
V
DD
A
V
V
N2
C Differential Reference Voltage
1
NOTES:
1. Full accuracy is not guaranteed when differential voltage is less than 4.50 V
2. Minimum time assumes a sample period of 2 ATD clocks; maximum time assumes a sample period of 16 ATD clocks.
V
RH
– V
RL
4.50
5.00
5.50
V
N3
D ATD Clock Frequency
f
ATDCLK
0.5
—
2.0
MHz
N4
D ATD 10-bit Conversion Period
f
ATDCLK
Cycles
2
@ 2.0MHz
f
ATDCLK
N
CONV10
T
CONV10
14
7
—
—
28
14
Cycles
μ
s
N5
D ATD 8-bit Conversion Period
f
ATDCLK
Cycles
2
@ 2.0MHz
f
ATDCLK
N
CONV8
T
CONV8
12
6
—
—
26
13
Cycles
μ
s
N6
D Stop Recovery Time (V
DD
A = 5.0 V)
T
REC
—
—
20
μ
s
N7
P Reference Supply current 1 ATD module on
I
REF
—
0.200
0.255
mA
N8
P Reference Supply current 2 ATD modules on
I
REF
—
0.400
0.510
mA
Table 27. ATD Operating Characteristics in 3.3 V Range
Conditions shown in
Table 7
, with V
DD
X = 3.3 V –5/+10% and a temperature maximum of +140
°
C unless otherwise
noted.
Num C
Rating
Symbol
Min
Typ
Max
Unit
P1
D Reference Potential
Low
High
V
RL
V
RH
V
SS
A
V
DD
A
÷
2
—
—
V
DD
A
÷
2
V
DD
A
V
V
P2
C Differential Reference Voltage
1
NOTES:
1. Full accuracy is not guaranteed when differential voltage is less than 3.15 V
2. Minimum time assumes a sample period of 2 ATD clocks; maximum time assumes a sample period of 16 ATD clocks.
V
RH
– V
RL
3.15
3.3
3.6
V
P3
D ATD Clock Frequency
f
ATDCLK
0.5
—
2.0
MHz
P4
D ATD 10-bit Conversion Period
f
ATDCLK
Cycles
2
@ 2.0MHz
f
ATDCLK
N
CONV10
T
CONV10
14
7
—
—
28
14
Cycles
μ
s
P5
D ATD 8-bit Conversion Period
f
ATDCLK
Cycles
2
@ 2.0MHz
f
ATDCLK
N
CONV8
T
CONV8
12
6
—
—
26
13
Cycles
μ
s
P6
D Stop Recovery Time (V
DD
A = 3.3 V)
T
REC
—
—
20
μ
s
P7
P Reference Supply current 1 ATD module on
I
REF
—
0.130
0.170
mA
P8
P Reference Supply current 2 ATD modules on
I
REF
—
0.260
0.340
mA
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相關代理商/技術參數(shù) |
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| MAC7121MFU | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MAC7100 Microcontroller Family Hardware Specifications |
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| MAC7121MPV50 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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