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參數(shù)資料
| 型號： | OP27AZ/883C |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運算放大器 |
| 英文描述： | Low Noise, Precision Operational Amplifier; Package: CERDIP GLASS SEAL; No of Pins: 8; Temperature Range: Military |
| 中文描述： | OP-AMP, 60 uV OFFSET-MAX, 8 MHz BAND WIDTH, CDIP8 |
| 封裝： | HERMETIC SEALED, CERAMIC, DIP-8 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 422K |
| 代理商： | OP27AZ/883C |
OP27
Rev. F | Page 18 of 20
Capacitor C2 and Resistor R2 form a 2 μs time constant in this
circuit, as recommended for optimum transient response by the
transformer manufacturer. With C2 in use, A1 must have unity-
gain stability. For situations where the 2 μs time constant is not
necessary, C2 can be deleted, allowing the faster OP37 to be
employed.
A 150 Ω resistor and R1 and R2 gain resistors connected to a
noiseless amplifier generate 220 nV of noise in a 20 kHz
bandwidth, or 73 dB below a 1 mV reference level. Any practical
amplifier can only approach this noise level; it can never exceed
it. With the OP27 and T1 specified, the additional noise
degradation is close to 3.6 dB (or 69.5 referenced to 1 mV).
REFERENCES
1.
Lipshitz, S. R, “On RIAA Equalization Networks,” JAES,
Vol. 27, June 1979, p. 458–481.
2.
Jung, W. G., IC Op Amp Cookbook, 2nd. Ed., H. W. Sams
and Company, 1980.
3.
Jung, W. G., Audio IC Op Amp Applications, 2nd. Ed., H. W.
Sams and Company, 1978.
4.
Jung, W. G., and Marsh, R. M., “Picking Capacitors,” Audio,
February and March, 1980.
5.
Otala, M., “Feedback-Generated Phase Nonlinearity in
Audio Amplifiers,” London AES Convention, March 1980,
preprint 1976.
6.
Stout, D. F., and Kaufman, M., Handbook of Operational
Amplifier Circuit Design, New York, McGraw-Hill, 1976.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| OP27BIEZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| OP27BIGZ | 制造商:Analog Devices 功能描述: |
| OP27BJ | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Noise Precision Operaional Amplifiers |
| OP-27BJ | 制造商:AD 制造商全稱:Analog Devices 功能描述:LOW NOISE, PRECISION OPERATIONAL AMPLIFIER |
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