LF347M/NOPB
Operational Amplifiers - Op Amps WIDE BW QUAD JFET INPUT OP AMPLF347M/NOPB
Operational Amplifiers - Op Amps WIDE BW QUAD JFET INPUT OP AMP
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製造商零件號 # : LF347M/NOPB
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包裝/封裝: SOIC-14
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製造商: Texas Instruments
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產品分類 : Instrumentation, OP Amps, Buffer Amps
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LF347M/NOPB 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Despite its compact size, the LF347M/NOPB offers high open-loop gain and low distortion, ensuring high-fidelity amplification in audio and signal processing applications. Its wide temperature range of -40°C to 85°C further enhances its versatility, making it suitable for use in various operating environments
主要特徵
- Fast Recovery Time IC
- Low Saturation Current
- Small Signal Rectifier
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Number of channels | 4 | Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 8 | Rail-to-rail | In to V+ |
GBW (typ) (MHz) | 4 | Slew rate (typ) (V/µs) | 13 |
Vos (offset voltage at 25°C) (max) (mV) | 5 | Iq per channel (typ) (mA) | 1.8 |
Vn at 1 kHz (typ) (nV√Hz) | 20 | Rating | Catalog |
Operating temperature range (°C) | 0 to 70 | Offset drift (typ) (µV/°C) | 10 |
Input bias current (max) (pA) | 200 | CMRR (typ) (dB) | 100 |
Iout (typ) (A) | 0.031 | Architecture | FET |
Input common mode headroom (to negative supply) (typ) (V) | 3 | Input common mode headroom (to positive supply) (typ) (V) | 0 |
Output swing headroom (to negative supply) (typ) (V) | 1.5 | Output swing headroom (to positive supply) (typ) (V) | -1.5 |
常見問題解答
What is LF347M/NOPB?
The LF347M/NOPB is a quad, low-noise operational amplifier designed by Texas Instruments. It is ideal for applications requiring multiple independent op-amp circuits with low noise, high input impedance, and wide bandwidth, such as active filters, instrumentation amplifiers, and audio preamplifiers.
How Does LF347M/NOPB Work?
The LF347M/NOPB operates as a quad operational amplifier with low noise characteristics, making it suitable for high-quality signal amplification and processing. It provides independent op-amp channels with low input bias current and low offset voltage, ensuring accurate and stable performance in various applications.
How Many Pins does LF347M/NOPB have and What are the Functions of the Pinout Configuration?
The LF347M/NOPB is housed in a 14-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Negative power supply pin.
- IN1: Inverting input pin for op-amp 1.
- IN1-: Non-inverting input pin for op-amp 1.
- OUT1: Output pin for op-amp 1.
- IN2: Inverting input pin for op-amp 2.
- IN2-: Non-inverting input pin for op-amp 2.
- OUT2: Output pin for op-amp 2.
- IN3: Inverting input pin for op-amp 3.
- IN3-: Non-inverting input pin for op-amp 3.
- OUT3: Output pin for op-amp 3.
- IN4: Inverting input pin for op-amp 4.
- IN4-: Non-inverting input pin for op-amp 4.
- OUT4: Output pin for op-amp 4.
What are the Pros and Cons of LF347M/NOPB?
Pros:
- Quad Op-Amp: Provides four independent op-amp channels in a single package, reducing board space and component count.
- Low Noise: Offers low noise performance suitable for sensitive audio and signal processing applications.
- Wide Bandwidth: Supports high-frequency operation for audio and data signal processing.
- High Input Impedance: Features high input impedance for minimal signal loading and accurate measurement.
- Low Offset Voltage: Ensures accurate DC coupling and stable performance in precision applications.
Cons:
- Complex Layout: Requires careful PCB layout and grounding due to the presence of multiple op-amp channels.
- Cost: Quad op-amp packages may have a higher cost compared to single op-amp alternatives.
- External Components: May require additional external components for specific application requirements.
Are There Any Equivalents/Alternatives to LF347M/NOPB for Recommendation?
- The TL074 from Texas Instruments is a similar quad op-amp with low noise and low input bias current characteristics.
- Alternatives to the LF347M/NOPB include the LM324 from Texas Instruments and the MC33079 from ON Semiconductor.
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