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| 型号： | OP279GSZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP R-R 5MHZ DUAL 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 3 V/µs |
| 增益带宽积： | 5MHz |
| 电流 - 输入偏压： | 300nA |
| 电压 - 输入偏移： | 4000µV |
| 电流 - 电源： | 3.75mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 12 V，±2.25 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
OP179/OP279
–14–
REV. G
References on Active Filters and Active Crossover Networks
1. Sallen, R.P.; Key, E.L., “A Practical Method of Designing
RC Active Filters,” IRE Transactions on Circuit Theory, Vol.
CT-2, March 1955.
2. Huelsman, L.P.; Allen, P.E., Introduction to the Theory and
Design of Active Filters, McGraw-Hill, 1980.
3. Zumbahlen, H., “Chapter 6: Passive and Active Analog
Filtering,” within 1992 Analog Devices Amplifier Applications
Guide.
4. Zumbahlen, H., “Speaker Crossovers,” within Chapter 8 of
1993 Analog Devices System Applications Guide.
5. Linkwitz, S., “Active Crossover Networks for Noncoincident
Drivers,” JAES, Vol. 24, #1, Jan/Feb 1976.
The crossover example frequency of 500 Hz can be shifted lower
or higher by frequency scaling of either resistors or capacitors. In
configuring the circuit for other frequencies, complementary LP/
HP action must be maintained between sections, and component
values within the sections must be in the same ratio. Table II
provides a design aid to adaptation, with suggested standard
component values for other frequencies.
Table II. RC Component Selection for Various Crossover
Frequencies
R1/C1 (U1A)
*
Crossover Frequency (Hz)
R5/C3 (U1B)
**
100
160 k
/0.01 F
200
80.6 k
/0.01 F
319
49.9 k
/0.01 F
500
31.6 k
/0.01 F
1 k
16 k
/0.01 F
2 k
8.06 k
/0.01 F
5 k
3.16 k
/0.01 F
10 k
1.6 k
/0.01 F
Table notes (applicable for
α = 2).
** For SK stage U1A: R1 = R2, and C1 = C2, etc.
** For MFB stage U1B: R6 = R5, R7 = R5/2, and C4 = 2C3.
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| OP279GSZ-REEL7 | 功能描述:IC OPAMP GP R-R 5MHZ DUAL 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1,000 系列:- 放大器类型:电压反馈 电路数:4 输出类型:满摆幅 转换速率:33 V/µs 增益带宽积:20MHz -3db带宽:30MHz 电流 - 输入偏压:2nA 电压 - 输入偏移:3000µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:30mA 电压 - 电源，单路/双路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOIC 包装:带卷 (TR) |
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