參數(shù)資料
型號: TMS470R1B768PGEQR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 39/49頁
文件大?。?/td> 552K
代理商: TMS470R1B768PGEQR
0
1
2
3
4
5
0 ... 101
0 ... 100
0 ... 011
0 ... 010
0 ... 001
0 ... 000
0 ... 110
Analog Input Value (LSB)
1 LSB
0
1
2
3
4
5
0 ... 101
0 ... 100
0 ... 011
0 ... 010
0 ... 001
0 ... 000
0 ... 110
1 LSB
Differential Linearity
Error(- 1/2 LSB)
Differential Linearity
Error(1/2 LSB)
0
1
2
3
4
5
6
7
Analog Input Value (LSB)
At Transition
011/100
( 1/2 LSB)
End-Point Lin. Error
At Transition
001/010 ( 1/4 LSB)
Ideal
Transition
Actual
Transition
0 ... 101
0 ... 100
0 ... 011
0 ... 010
0 ... 001
0 ... 111
0 ... 110
0 ... 000
SPNS108B – AUGUST 2005 – REVISED MAY 2008 ......................................................................................................................................................... www.ti.com
The differential nonlinearity error shown in Figure 19 (sometimes referred to as differential linearity) is the
difference between an actual step width and the ideal value of 1 LSB.
A.
1 LSB = (ADREFHI - ADREFLO)/2
10
Figure 19. Differential Nonlinearity (DNL)
The integral nonlinearity error shown in Figure 20 (sometimes referred to as linearity error) is the deviation of the
values on the actual transfer function from a straight line.
A.
1 LSB = (ADREFHI - ADREFLO)/2
10
Figure 20. Integral Nonlinearity (INL) Error
44
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TMS470R1B768
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