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LF356M
IC OPAMP JFET 1 CIRCUIT 8SOIC
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仕様
| Series | BI-FET™ |
| Part Status | Obsolete |
| Base Product Number | LF356 |
| Amplifier Type | J-FET |
| Number of Circuits | 1 |
| Slew Rate | 12V/µs |
| Gain Bandwidth Product | 5 MHz |
| Current - Input Bias | 30 pA |
| Voltage - Input Offset | 3 mV |
| Current - Supply | 5mA |
| Voltage - Supply Span (Min) | 30 V |
| Voltage - Supply Span (Max) | 30 V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
概要
Description
The LF356M is a monolithic operational amplifier from the LF356 series, known for its low input bias current and high slew rate. This JFET-input op-amp offers high input impedance, making it suitable for applications requiring minimal loading effects and precise signal amplification. It features a wide bandwidth and low total harmonic distortion, which are beneficial in audio, instrumentation, and high-speed integrator circuits.
The LF356M is designed to operate over a wide range of supply voltages, typically from ±5V to ±15V, and offers robust performance with low power consumption. It also includes internal compensation, which simplifies the design process by providing stable operation without the need for external components.
Its small signal bandwidth, typically around 5 MHz, and a slew rate of approximately 12 V/µs make it ideal for fast signal processing applications. Additionally, the LF356M is available in various package options, which facilitates its use in different designs and applications, ranging from analog-to-digital conversion to active filtering and signal conditioning tasks.
The LF356M is designed to operate over a wide range of supply voltages, typically from ±5V to ±15V, and offers robust performance with low power consumption. It also includes internal compensation, which simplifies the design process by providing stable operation without the need for external components.
Its small signal bandwidth, typically around 5 MHz, and a slew rate of approximately 12 V/µs make it ideal for fast signal processing applications. Additionally, the LF356M is available in various package options, which facilitates its use in different designs and applications, ranging from analog-to-digital conversion to active filtering and signal conditioning tasks.
Features
The LF356M is a JFET-input operational amplifier known for its high input impedance, low input bias current, and wide bandwidth, making it suitable for precision applications. Key features include:
1. High Input Impedance: Offers extremely high input resistance, minimizing the loading effect on the preceding stage.
2. Low Input Bias Current: The JFET input stage results in low bias currents, ideal for integrating and sample-and-hold circuits.
3. Wide Bandwidth: Provides a wide bandwidth of up to 5 MHz, useful for high-speed applications.
4. Low Input Offset Voltage: Ensures precision in DC applications due to minimal offset.
5. Low Noise: Typically exhibits low voltage noise, beneficial in audio and precision measurement systems.
6. Slew Rate: A high slew rate of around 12 V/µs allows for fast voltage changes, enhancing performance in dynamic applications.
7. Single Supply Operation: Can operate on a single power supply, increasing versatility in various circuit designs.
8. Temperature Stability: Maintains performance over a broad temperature range, making it suitable for varied environmental conditions.
These features make the LF356M a versatile choice for applications requiring precision, low noise, and high-speed operation.
1. High Input Impedance: Offers extremely high input resistance, minimizing the loading effect on the preceding stage.
2. Low Input Bias Current: The JFET input stage results in low bias currents, ideal for integrating and sample-and-hold circuits.
3. Wide Bandwidth: Provides a wide bandwidth of up to 5 MHz, useful for high-speed applications.
4. Low Input Offset Voltage: Ensures precision in DC applications due to minimal offset.
5. Low Noise: Typically exhibits low voltage noise, beneficial in audio and precision measurement systems.
6. Slew Rate: A high slew rate of around 12 V/µs allows for fast voltage changes, enhancing performance in dynamic applications.
7. Single Supply Operation: Can operate on a single power supply, increasing versatility in various circuit designs.
8. Temperature Stability: Maintains performance over a broad temperature range, making it suitable for varied environmental conditions.
These features make the LF356M a versatile choice for applications requiring precision, low noise, and high-speed operation.
Package
The LF356M is an operational amplifier that comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package type is compact, making it suitable for applications where space is limited.
Pinout
The LF356M is an operational amplifier (op-amp) that is part of the LF356 series. It is typically housed in an 8-pin package. The pin configuration and functions for the LF356M are as follows:
1. Pin 1: Offset Null - Used for offset voltage adjustment.
2. Pin 2: Inverting Input (V-) - Input for the inverting signal.
3. Pin 3: Non-Inverting Input (V+) - Input for the non-inverting signal.
4. Pin 4: V- (Negative Power Supply) - Connects to the negative power supply voltage.
5. Pin 5: Offset Null - Used for offset voltage adjustment (paired with Pin 1).
6. Pin 6: Output - Output of the op-amp.
7. Pin 7: V+ (Positive Power Supply) - Connects to the positive power supply voltage.
8. Pin 8: No Connection (NC) - Typically not connected in standard applications.
The LF356M is known for its low input bias current and high input impedance, making it suitable for applications requiring precise amplifications, such as in audio processing and signal conditioning.
1. Pin 1: Offset Null - Used for offset voltage adjustment.
2. Pin 2: Inverting Input (V-) - Input for the inverting signal.
3. Pin 3: Non-Inverting Input (V+) - Input for the non-inverting signal.
4. Pin 4: V- (Negative Power Supply) - Connects to the negative power supply voltage.
5. Pin 5: Offset Null - Used for offset voltage adjustment (paired with Pin 1).
6. Pin 6: Output - Output of the op-amp.
7. Pin 7: V+ (Positive Power Supply) - Connects to the positive power supply voltage.
8. Pin 8: No Connection (NC) - Typically not connected in standard applications.
The LF356M is known for its low input bias current and high input impedance, making it suitable for applications requiring precise amplifications, such as in audio processing and signal conditioning.
Manufacturer
The LF356M is manufactured by Texas Instruments, a company known for its role in designing and manufacturing semiconductors and various integrated circuits. Texas Instruments (TI) is a major player in the electronics industry, providing a wide range of products for both consumer and industrial applications. TI is particularly renowned for its innovations in analog technology, embedded processing, and digital signal processing.
Application
The LF356M is a low-noise JFET-input operational amplifier commonly used in applications requiring high input impedance and low input bias current. Key application areas include precision instrumentation, active filters, integrators, and analog signal processing circuits. Its characteristics make it suitable for use in data acquisition systems, medical instrumentation, audio equipment, and sensor signal conditioning.
Equivalent
The LF356M is a JFET-input operational amplifier. Equivalent products include the TL071, TL081, LF351, and LF411, which offer similar performance in terms of input bias current, slew rate, and bandwidth. Always verify specific parameters and pin configurations to ensure compatibility in your application.
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