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參數(shù)資料
| 型號： | LM346N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Programmable Quad Operational Amplifiers |
| 中文描述： | QUAD OP-AMP, 7500 uV OFFSET-MAX, 0.1 MHz BAND WIDTH, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大?。?/td> | 727K |
| 代理商： | LM346N |
Active Filters Applications
(Continued)
Miscellaneous Applications
DS005654-38
1. Pick up a convenient value for b; (b
<
1)
2. Adjust Q
o
through R5
3. Adjust H
o(BP)
through R4
4. Adjust f
o
through R
SET
. This adjusts the unity gain frequency (f
u
) of the op amp.
A 4th Order Butterworth Low Pass Capacitorless Filter
DS005654-17
Ex: f
c
= 20 kHz, H
o
(gain of the filter) = 1, Q
01
= 0.541, Q
o2
= 1.306.
z
1 MHz) only one current source can be used to bias the circuit.
Since for this filter the GBW product of all 4 amplifiers has been designed to be the same (
b
.
A Unity Gain Follower
with Bias Current Reduction
DS005654-18
For better performance, use a matched NPN pair.
www.national.com
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PDF描述 |
|---|---|
| LM346M | Programmable Quad Operational Amplifiers |
| LM3477 | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477A | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477AMM | High Efficiency High-Side N-Channel Controller for Switching Regulator |
| LM3477AMMX | High Efficiency High-Side N-Channel Controller for Switching Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM346N | 制造商:Texas Instruments 功能描述:OP AMP QUAD PROGRAMMABLE DIP 346 |
| LM346N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| LM346N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| LM346N/NOPB | 制造商:Texas Instruments 功能描述:OP Amp Quad GP |
| LM3475 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Hysteretic PFET Buck Controller |
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