參數(shù)資料
型號： M37274MA
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 8 Bits Microcomputer(8位單片機)
中文描述： 單芯片8位單片機（8位單片機）
文件頁數(shù)： 32/131頁
文件大?。?/td> 2049K
代理商： M37274MA
32
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
[LSB]
[ LSB ]
(8) Definition of A-D Conversion Accuracy
The definition of A-D conversion accuracy is described below.
Relative accuracy
Zero transition error (V
0T
)
The deviation of the input voltage at which A-D conversion output
data changes from “0” to “1,” from the corresponding ideal A-D
conversion characteristics between 0 and V
REF
.
Non-linearity error
The deviation of the actual A-D conversion characteristics, from the
ideal A-D conversion characteristics between V
0
and V
254
.
(V
0
– 1/2
V
REF
/256)
1LSB
V
0T
=
(V
REF
– 3/2
V
REF
/256)– V
254
1LSB
V
FST
=
Non-linearity error =
[LSB]
[LSB]
Differential non-linearity error
The deviation of the input voltage required to change output data
by “1,” from the corresponding ideal A-D conversion characteris-
tics between 0 and V
REF
.
Absolute accuracy
Absolute accuracy error
The deviation of the actual A-D conversion characteristics, from the
ideal A-D conversion characteristics between 0 and V
REF
.
V
n
–(1LSB
n +V
0
)
1LSB
[LSB]
Differential non-linearity error =
(V
n+1
– V
n
)– 1LSB
1LSB
Absolute accuracy error =
1LSB
A
with respect to absolute accuracy
=
1LSB with respect to relative accuracy
=
Note:
The analog input voltage “Vn” at which A-D conversion output
data changes from “n” to “n + 1” (n ; 0 to 254) is as follows
(refer to Figure 24) :
V
254
– V
0
254
V
REF
256
[ V]
[V]
Fig. 24. Definition of A-D Conversion Accuracy
Full-scale transition error (V
FST
)
The deviation of the input voltage at which A-D conversion output
data changes from “255” to “254,” from the corresponding ideal A-
D conversion characteristics between 0 and V
REF
.
V
n
– 1LSB
A
(n +1/2)
1LSB
A
Output
data
0
Analog input
voltage
(
V
)
V
0
Zero transition error (V
0T
)
V
n
V
n+1
V
254
V
REF
n
n+1
254
255
Differential non-
linearity error
LSB
A
Actual A-D
conversion
characteristics
1
2
3
2
V
1
1LSB
A
Ideal A-D conversion characteristics
between V
0
and V
254
LSB
A
1LSB
Absolute accuracy
Non-linearity error
Full-scale transition error
(V
FST
)
1LSB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37274MA-052SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37274MA-053SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37274MA-082SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37274MA-084SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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