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| 型號： | MC144112D |
| 廠商： | MOTOROLA INC |
| 元件分類： | DAC |
| 英文描述： | Quad Six-Bit Digital-to-Analog Converter |
| 中文描述： | QUAD, SERIAL INPUT LOADING, 6-BIT DAC, PDSO14 |
| 封裝： | SOG-14 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 83K |
| 代理商： | MC144112D |
MC144112
MOTOROLA
3
LINEARITY ERROR
(integral nonlinearity). A measure of how
straight a device’s transfer function is, it indicates the worst–case
deviation of linearity of the actual transfer function from the best–
fit straight line. It is normally specified in parts of an LSB.
Figure 1. D/A Transfer Function
100
75
50
25
0
0
$00
15
$0F
31
$1F
47
$2F
63
$3F
Vnonl
PROGRAM STEP
OD
Voffset
ACTUAL
IDEAL
Figure 2. Definition of Step Size Variance (Differential Nonlinearity)
VRn OUT
Vstep
DIGITAL NUMBER
Vstep =
±
0.75
VDD
64
VDD
64
(For any adjacent pair of digital numbers)
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