mb90f345caspfv Fujitsu Microelectronics, Inc., mb90f345caspfv Datasheet - Page 68
mb90f345caspfv
Manufacturer Part Number
mb90f345caspfv
Description
16-bit Proprietary Microcontroller Cmos 2 F2mc-16lx Mb90340 Series
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
1.MB90F345CASPFV.pdf
(84 pages)
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68
MB90340 Series
6. Definition of A/D Converter Terms
Resolution
Non linearity
error
Differential
linearity error
Total error
Zero reading
voltage
Full scale
reading voltage
Total error of digital output “N”
V
V
V
OT
FST
NT
: Analog variation that is recognized by an A/D converter.
: Deviation between a line across zero-transition line ( “00 0000 0000”
: Deviation of input voltage, which is required for changing output code by 1 LSB, from an ideal
: Difference between an actual value and an ideal value. A total error includes zero transition
: Input voltage which results in the minimum conversion value.
: Input voltage which results in the maximum conversion value.
: A voltage at which digital output transitions from (N
(Ideal value)
and full-scale transition line ( “11 1111 1110”
characteristics.
value.
error, full-scale transition error, and linear error.
(Ideal value)
1 LSB
(Ideal value)
3FE
3FD
3FF
001
004
003
002
AVRL
AVRL
AVRH
Actual conversion
characteristics
0.5 LSB [V]
0.5 LSB
AVRH
1.5 LSB [V]
Total error
Analog input
1024
Ideal characteristics
V
NT
AVRL
{1 LSB
Actual conversion
characteristics
{1 LSB
[V]
1 LSB
(N
(Actually-measured value)
(N
V
NT
1.5 LSB
AVRH
1)
“11 1111 1111” ) and actual conversion
1)
1) to N.
0.5 LSB}
0.5 LSB}
[LSB]
“00 0000 0001” )
(Continued)
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