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參數(shù)資料
| 型號： | MAX5122BEEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | +5V/+3V, 12-Bit, Serial, Force/Sense DACs with 10ppm/∑C Internal Reference |
| 中文描述： | SERIAL INPUT LOADING, 20 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 285K |
| 代理商： | MAX5122BEEE |
M
+5V /+3V, 12-Bit, S erial, Forc e/S ense DACs
with 10ppm/°C Internal Referenc e
______________________________________________________________________________________
15
__________Applic ations Information
Definitions
Integral Nonlinearity (INL)
Integral nonlinearity (Figure 8a) is the deviation of the
values on an actual transfer function from a straight
line. This straight line can be either a best-straight-line
fit (closest approximation to the actual transfer curve)
or a line drawn between the endpoints of the transfer
function, once offset and gain errors have been nulli-
fied. For a DAC, the deviations are measured at every
single step.
Differential Nonlinearity (DNL)
Differential nonlinearity (Figure 8b) is the difference
between an actual step height and the ideal value of
1LSB. If the magnitude of the DNL is less than or equal
to 1LSB, the DAC guarantees no missing codes and is
monotonic.
Offset Error
The offset error (Figure 8c) is the difference between
the ideal and the actual offset point. For a DAC, the off-
set point is the step value when the digital input is zero.
This error affects all codes by the same amount and
can usually be compensated for by trimming.
Gain Error
Gain error (Figure 8d) is the difference between the
ideal and the actual full-scale output voltage on the
transfer curve, after nullifying the offset error. This error
alters the slope of the transfer function and corre-
sponds to the same percentage error in each step.
0
2
1
4
3
7
6
5
000
010
DIGITAL INPUT CODE
001
011
100
101
110
AT STEP
O11 (1/2 LSB )
AT STEP
001 (1/4 LSB )
111
A
Figure 8a. Integral Nonlinearity
Figure 8b. Differential Nonlinearity
0
2
1
4
3
6
5
000
010
DIGITAL INPUT CODE
001
011
100
101
DIFFERENTIAL LINEARITY
ERROR (-1/4 LSB)
DIFFERENTIAL
LINEARITY ERROR (+1/4 LSB)
1 LSB
1 LSB
A
0
2
1
3
000
010
001
DIGITAL INPUT CODE
011
ACTUAL
DIAGRAM
IDEAL DIAGRAM
ACTUAL
OFFSET POINT
OFFSET ERROR
(+1 1/4 LSB)
IDEAL OFFSET
POINT
A
Figure 8c. Offset Error
Figure 8d. Gain Error
0
5
4
6
7
000
101
100
110
111
IDEAL DIAGRAM
GAIN ERROR
(-1 1/4 LSB)
IDEAL FULL-SCALE OUTPUT
ACTUAL
FULL-SCALE
OUTPUT
DIGITAL INPUT CODE
A
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相關代理商/技術參數(shù) |
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|---|---|
| MAX5122BEEE+ | 功能描述:數(shù)模轉換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5122BEEE+T | 功能描述:數(shù)模轉換器- DAC 12-Bit Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5122BEEE-T | 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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