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LF353H
Operational Amplifiers - Op Amps LF353H
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LF353H 數據表
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詳細說明
The LF353 is a JFET input operational amplifier with an internally compensated input offset voltage. The JFET input device provides wide bandwidth, low input bias currents and offset currents.Features• Internally trimmed offset voltage: 10mV• Low input bias current: 50pA• Wide gain bandwidth: 4MHz• High slew rate: 13V/µs• High Input impedance: 1012Ω
主要特徵
- Internally trimmed offset voltage: 10mV
- Low input bias current: 50pA
- Wide gain bandwidth: 4MHz
- High slew rate: 13V/µs
- High Input impedance: 1012Ω
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。
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Part Package Code | BCY | Pin Count ! | 8 |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.33.00.01 | Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | Average Bias Current-Max (IIB) | 0.0002 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA | Common-mode Reject Ratio-Nom | 100 dB |
| Frequency Compensation ! | YES | Input Offset Current-Max (IIO) | 0.004 µA |
| Input Offset Voltage-Max | 13000 µV | JESD-30 Code | O-MBCY-W8 |
| JESD-609 Code | e0 | Low-Bias | YES |
| Low-Offset | NO | Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 2 | Number of Terminals | 8 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
| Package Body Material | METAL | Package Equivalence Code | CAN8,.2 |
| Package Shape | ROUND | Package Style | CYLINDRICAL |
| Power Supplies ! | +-15 V | Qualification Status ! | Not Qualified |
| Slew Rate-Min | 8 V/us | Slew Rate-Nom | 13 V/us |
| Supply Current-Max | 6.5 mA | Supply Voltage Limit-Max | 18 V |
| Supply Voltage-Nom (Vsup) | 15 V | Surface Mount ! | NO |
| Technology | BIPOLAR | Temperature Grade ! | COMMERCIAL |
| Terminal Finish | TIN LEAD | Terminal Form ! | WIRE |
| Terminal Position | BOTTOM | Unity Gain BW-Nom | 4000 |
| Voltage Gain-Min | 15000 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LF353H?
The LF353H is a dual, high-performance, JFET input operational amplifier designed by Texas Instruments. It is well-suited for applications requiring high input impedance, low noise, and high slew rate, such as audio preamplifiers, active filters, and precision instrumentation.
How Does LF353H Work?
The LF353H operates as a high-performance operational amplifier with JFET inputs, providing high input impedance and low input bias current. It amplifies input signals with low noise and high gain bandwidth product, making it suitable for precise signal processing and conditioning applications. The high slew rate allows for fast signal response.
How Many Pins does LF353H have and What are the Functions of the Pinout Configuration?
The LF353H is housed in an 8-pin TO-99 metal can package. The pinout configuration includes:
- Offset Null: Pins for offset null adjustment.
- Non-Inverting Input (A): Non-inverting input for amplifier A.
- Inverting Input (A): Inverting input for amplifier A.
- Output (A): Output for amplifier A.
- Non-Inverting Input (B): Non-inverting input for amplifier B.
- Inverting Input (B): Inverting input for amplifier B.
- Output (B): Output for amplifier B.
- V+ and V-: Power supply pins.
What are the Pros and Cons of LF353H?
Pros:
- High Input Impedance: JFET inputs provide high input impedance, suitable for high-impedance sensor interfaces.
- Low Noise: Ensures minimal noise interference in signal processing applications.
- High Slew Rate: Allows for fast signal response and transient performance.
- Dual Amplifiers: Contains two amplifiers in a single package for dual-channel applications.
- Wide Bandwidth: Offers a wide bandwidth for high-frequency signal processing.
Cons:
- Power Consumption: Compared to low-power op-amps, the LF353H may have higher power consumption.
- Temperature Sensitivity: Performance may vary with temperature changes, requiring temperature compensation in some applications.
- Package Size: The TO-99 metal can package may be larger and less space-efficient than other packages.
Are There Any Equivalents/Alternatives to LF353H for Recommendation?
- The OP275 from Analog Devices is a similar JFET input operational amplifier with high performance.
- Alternatives to the LF353H include the TL072 from Texas Instruments and the AD825 from Analog Devices.
