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參數(shù)資料
| 型號： | OP490GS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low Voltage Micropower Quad Operational Amplifier |
| 中文描述： | QUAD OP-AMP, 1500 uV OFFSET-MAX, 0.02 MHz BAND WIDTH, PDSO16 |
| 封裝： | MS-013AA, SOIC-16 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 241K |
| 代理商： | OP490GS |
OP490
REV. B
–11–
Figure 4. High Output Amplifier
HIGH OUT PUT AMPLIFIE R
T he amplifier shown in Figure 4 is capable of driving 25 V p-p
into a 1 k
load. Design of the amplifier is based on a bridge
configuration. A amplifies the input signal and drives the load
with the help of B. Amplifier C is a unity-gain inverter which
drives the load with help from D. Gain of the high output am-
plifier with the component values shown is 10, but can easily be
changed by varying R1 or R2.
SINGLE -SUPPLY MICROPOWE R QUAD
PROGRAMMABLE GAIN AMPLIFIE R
T he combination of quad OP490 and the DAC8408 quad 8-bit
CMOS DAC, creates a quad programmable-gain amplifier with
a quiescent supply drain of only 140
μ
A. T he digital code
present at the DAC, which is easily set by a microprocessor, de-
termines the ratio between the fixed DAC feedback resistor and
the resistance of the DAC ladder presents to the op amp feed-
back loop. Gain of each amplifier is:
V
OUT
V
IN
=
±256
n
where
n
equals the decimal equivalent of the 8-bit digital code
present at the DAC. If the digital code present at the DAC con-
sists of all zeros, the feedback loop will be open causing the op
amp output to saturate. T he 10 M
resistors placed in parallel
with the DAC feedback loop eliminates this problem with a very
small reduction in gain accuracy. T he 2.5 V reference biases the
amplifiers to the center of the linear region providing maximum
output swing.
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| OP490 | Low Voltage Micropower Quad Operational Amplifier |
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| op490 | Low Voltage Micropower Quad Operational Amplifier(低電壓微功率四運放) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| OP490GS-REEL | 功能描述:IC OPAMP GP 20KHZ QUAD 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| OP490GSZ | 功能描述:IC OPAMP GP 20KHZ QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| OP490GSZ-REEL | 功能描述:IC OPAMP GP 20KHZ QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| OP490RPFB | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:Low Voltage Micropower Quad Operational Amplifier |
| OP490RPFE | 制造商:MAXWELL 制造商全稱:Maxwell Technologies 功能描述:Low Voltage Micropower Quad Operational Amplifier |
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