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參數資料
| 型號： | AD534SChips |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Internally Trimmed Precision IC Multiplier |
| 中文描述： | 內部設置的精密集成電路乘數 |
| 文件頁數： | 9/20頁 |
| 文件大?。?/td> | 359K |
| 代理商： | AD534SCHIPS |
REV. 0
AD5330/AD5331/AD5340/AD5341
–9–
TERMINOLOGY
RELATIVE ACCURACY
For the DAC, Relative Accuracy or Integral Nonlinearity (INL)
is a measure of the maximum deviation, in LSBs, from a straight
line passing through the actual endpoints of the DAC transfer
function. Typical INL versus Code plot can be seen in Figures
5, 6, and 7.
DIFFERENTIAL NONLINEARITY
Differential Nonlinearity (DNL) is the difference between the
measured change and the ideal 1 LSB change between any two
adjacent codes. A specified differential nonlinearity of
±
1 LSB
maximum ensures monotonicity. This DAC is guaranteed mono-
tonic by design. Typical DNL versus Code plot can be seen in
Figures 8, 9, and 10.
GAIN ERROR
This is a measure of the span error of the DAC (including any
error in the gain of the buffer amplifier). It is the deviation in
slope of the actual DAC transfer characteristic from the ideal
expressed as a percentage of the full-scale range. This is illus-
trated in Figure 2.
OFFSET ERROR
This is a measure of the offset error of the DAC and the output
amplifier. It is expressed as a percentage of the full-scale range.
If the offset voltage is positive, the output voltage will still be
positive at zero input code. This is shown in Figure 3. Because
the DACs operate from a single supply, a negative offset cannot
appear at the output of the buffer amplifier. Instead, there will
be a code close to zero at which the amplifier output saturates
(amplifier footroom). Below this code there will be a deadband
over which the output voltage will not change. This is illustrated
in Figure 4.
OUTPUT
VOLTAGE
DAC CODE
POSITIVE
GAIN ERROR
ACTUAL
IDEAL
NEGATIVE
GAIN
ERROR
Figure 2. Gain Error
OUTPUT
VOLTAGE
DAC CODE
POSITIVE
OFFSET
GAIN ERROR
AND
OFFSET ERROR
ACTUAL
IDEAL
Figure 3. Positive Offset Error and Gain Error
OUTPUT
VOLTAGE
DAC CODE
NEGATIVE
OFFSET
GAIN ERROR
AND
OFFSET ERROR
ACTUAL
IDEAL
AMPLIFIER
FOOTROOM
(~1mV)
NEGATIVE
OFFSET
DEADBAND CODES
Figure 4. Negative Offset Error and Gain Error
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PDF描述 |
|---|---|
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD534SD | 功能描述:IC PREC MULTIPLIER 14-CDIP RoHS:否 類別:集成電路 (IC) >> 線性 - 模擬乘法器，除法器 系列:- 標準包裝:25 系列:HA 功能:模擬乘法器 位元/級數:四象限 封裝/外殼:16-CDIP（0.300"，7.62mm） 供應商設備封裝:16-CDIP 側面銅焊 包裝:管件 |
| AD534SD/883B | 功能描述:增效器/分頻器 MULTIPLIER IC RoHS:否 制造商:Texas Instruments 產品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-14 |
| AD534SE | 制造商:AD 制造商全稱:Analog Devices 功能描述:Internally Trimmed Precision IC Multiplier |
| AD534SE/883B | 功能描述:增效器/分頻器 MULTIPLIER IC RoHS:否 制造商:Texas Instruments 產品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-14 |
| AD534SH | 功能描述:IC PREC MULTIPLIER TO-100-10 RoHS:否 類別:集成電路 (IC) >> 線性 - 模擬乘法器，除法器 系列:- 標準包裝:25 系列:HA 功能:模擬乘法器 位元/級數:四象限 封裝/外殼:16-CDIP（0.300"，7.62mm） 供應商設備封裝:16-CDIP 側面銅焊 包裝:管件 |
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