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參數資料
| 型號： | op490 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Voltage Micropower Quad Operational Amplifier(低電壓微功率四運放) |
| 中文描述： | 低電壓，微功耗四運算放大器（低電壓微功率四運放） |
| 文件頁數： | 10/12頁 |
| 文件大小： | 251K |
| 代理商： | OP490 |
OP490
REV. B
–10–
MICROPOWE R SINGLE -SUPPLY
QUAD VOLT AGE -OUT PUT 8-BIT DAC
T he circuit of Figure 3 uses the DAC8408 CMOS quad 8-bit
DAC, and the OP490 to form a single-supply quad voltage-out-
put DAC with a supply drain of only 140
μ
A. T he DAC8408 is
used in voltage switching mode and each DAC has an output re-
sistance (
≈
10 k
) independent of the digital input code. T he
output amplifiers act as buffers to avoid loading the DACs. T he
100 k
resistors ensure that the OP490 outputs will swing be-
low 0.8 V when required.
Figure 3. Micropower Single-Supply Quad Voltage Output 8-Bit DAC
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| op492 | Quad OP AMP(四運算放大器) |
| op292 | Dual OP AMP(雙運算放大器) |
| OP492 | DUAL/QUAD SINGLE SUPPLY OPERATIONAL AMPLIFIER |
| OP492GBC | DUAL/QUAD SINGLE SUPPLY OPERATIONAL AMPLIFIER |
| OP492GP | DUAL/QUAD SINGLE SUPPLY OPERATIONAL AMPLIFIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| OP4900046S | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| OP490019S | 制造商:Analog Devices 功能描述: |
| OP490-019S | 制造商:Analog Devices 功能描述: |
| OP490ATC/883 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Voltage Micropower Quad Operational Amplifier |
| OP490AY | 制造商:Rochester Electronics LLC 功能描述: |
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