TMS470R1B512 AD [Analog Devices], TMS470R1B512 Datasheet - Page 44

• Manufacturer Part Number: TMS470R1B512
• Description: 16/32-Bit RISC Flash Microcontroller
• Manufacturer: AD [Analog Devices]

TMS470R1B512
16/32-Bit RISC Flash Microcontroller
SPNS107A – SEPTEMBER 2005 – REVISED AUGUST 2006
44
The integral nonlinearity error shown in
values on the actual transfer function from a straight line.
The absolute accuracy or total error of an MibADC as shown in
difference between an analog value and the ideal midstep value.
A.
A.
1 LSB = (AD
1 LSB = (AD
REFHI
REFHI
- AD
- AD
REFLO
REFLO
)/2
)/2
0 ... 111
0 ... 110
0 ... 101
0 ... 100
0 ... 011
0 ... 010
0 ... 001
0 ... 000
Figure 21. Absolute Accuracy (Total) Error
Figure 20. Integral Nonlinearity (INL) Error
10
10
0 ... 110
0 ... 100
0 ... 010
0 ... 000
0 ... 111
0 ... 101
0 ... 011
0 ... 001
Figure 20
0
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0
1
Transition
Analog Input Value (LSB)
Actual
1
(sometimes referred to as linearity error) is the deviation of the
2
Analog Input Value (LSB)
2
Total Error
At Step 0 ... 001
(1/2 LSB)
3
Transition
At Transition
001/010 ( 1/4 LSB)
Ideal
3
4
End-Point Lin. Error
4
5
Total Error
At Step 0 ... 101
(-1 1/4 LSB)
Figure 21
At Transition
011/100
( 1/2 LSB)
5
6
6
7
is the maximum value of the
7
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