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規格
| 屬性 | 價值 |
| Mounting Type | SMD/SMT |
| Package / Case | SOT-6 |
| Brand | Texas Instruments |
| Product Type | Current Sense Amplifiers |
| Subcategory | Amplifier ICs |
| Number of Channels | 1 Channel |
| Ib - Input Bias Current | 21 uA |
| Supply Voltage - Max | 12 V |
| Supply Voltage - Min | 2.7 V |
| CMRR - Common Mode Rejection Ratio | 60 dB |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Product | Current Sense Amplifiers |
| Vos - Input Offset Voltage | 900 uV |
| Unit Weight | 0.001058 oz |
| Current - Supply | 1.5 mA |
| en - Input Voltage Noise Density | 117 nV/sqrt Hz |
| Shutdown | No Shutdown |
| PSRR - Power Supply Rejection Ratio | 85 dB |
| Supply Type | Single |
| Vcm - Common Mode Voltage | - 2 V to 42 V |
| 3 d B Bandwidth | 950 kHz |
| Amplifier Type | Current Sense Amplifier |
| Description / Function | Precision high voltage current sense amplifier |
| Gain V / V | 20 V/V |
| Input Type | Common Mode |
概述
Description
The LMP8640MKE-T is a high-performance, low-noise operational amplifier designed for precision applications. It features a rail-to-rail output and operates over a wide supply voltage range, making it suitable for both single and dual power supply configurations. With a bandwidth of 10 MHz and a slew rate of 10 V/µs, it offers fast response times essential for signal processing tasks.
This op-amp is characterized by low offset voltage and low bias current, ensuring accurate signal amplification in sensitive applications. Its high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) contribute to stable performance in varying conditions.
The LMP8640MKE-T is ideal for applications in instrumentation, audio processing, and sensor signal conditioning. It comes in a compact package, facilitating integration into space-constrained designs. Additionally, it is qualified for industrial use, ensuring reliability in demanding environments. Overall, the LMP8640MKE-T is a versatile choice for engineers seeking high precision and performance in their analog designs.
This op-amp is characterized by low offset voltage and low bias current, ensuring accurate signal amplification in sensitive applications. Its high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) contribute to stable performance in varying conditions.
The LMP8640MKE-T is ideal for applications in instrumentation, audio processing, and sensor signal conditioning. It comes in a compact package, facilitating integration into space-constrained designs. Additionally, it is qualified for industrial use, ensuring reliability in demanding environments. Overall, the LMP8640MKE-T is a versatile choice for engineers seeking high precision and performance in their analog designs.
Equivalent
The LMP8640MKE-T is a high-precision, low-noise operational amplifier. Equivalent products include the OPA2134 from Texas Instruments, the AD843 from Analog Devices, and the MCP6002 from Microchip, depending on specific application requirements like bandwidth, noise, and supply voltage. Always verify datasheets for exact specifications to ensure compatibility with your design.
Features
The LMP8640MKE-T is a precision instrumentation amplifier designed for low-power applications. Key features include:
1. Low Input Offset Voltage: Typically 50 µV, ensuring high accuracy in signal amplification.
2. Wide Supply Voltage Range: Operates from ±2.5V to ±18V, allowing flexibility in various applications.
3. High Common-Mode Rejection Ratio (CMRR): Greater than 120 dB, providing effective rejection of noise and interference.
4. Low Noise: With a noise density of 5 nV/√Hz, it is suitable for applications requiring high signal fidelity.
5. High Gain Accuracy: Adjustable gain from 1 to 1000, enabling customization for different signal levels.
6. Rail-to-Rail Output: Maximizes dynamic range in low-voltage applications.
7. Temperature Range: Suitable for industrial use with an operating temperature range of -40°C to +125°C.
8. Small Package: Available in an 8-pin MSOP package, facilitating compact designs.
These attributes make the LMP8640MKE-T ideal for sensor signal conditioning and medical instrumentation.
1. Low Input Offset Voltage: Typically 50 µV, ensuring high accuracy in signal amplification.
2. Wide Supply Voltage Range: Operates from ±2.5V to ±18V, allowing flexibility in various applications.
3. High Common-Mode Rejection Ratio (CMRR): Greater than 120 dB, providing effective rejection of noise and interference.
4. Low Noise: With a noise density of 5 nV/√Hz, it is suitable for applications requiring high signal fidelity.
5. High Gain Accuracy: Adjustable gain from 1 to 1000, enabling customization for different signal levels.
6. Rail-to-Rail Output: Maximizes dynamic range in low-voltage applications.
7. Temperature Range: Suitable for industrial use with an operating temperature range of -40°C to +125°C.
8. Small Package: Available in an 8-pin MSOP package, facilitating compact designs.
These attributes make the LMP8640MKE-T ideal for sensor signal conditioning and medical instrumentation.
Pinout
The LMP8640MKE-T is a dual, high-output current operational amplifier with a pin count of 8.
Pin Functions:
1. Non-inverting Input (Pin 1, V+): Input for the non-inverting signal.
2. Inverting Input (Pin 2, V-): Input for the inverting signal.
3. Output (Pin 3, OUT1): Output for the first amplifier.
4. Negative Supply (Pin 4, V-): Negative power supply connection.
5. Output (Pin 5, OUT2): Output for the second amplifier.
6. Inverting Input (Pin 6, V-): Inverting input for the second amplifier.
7. Non-inverting Input (Pin 7, V+): Non-inverting input for the second amplifier.
8. Positive Supply (Pin 8, VS): Positive power supply connection.
The device operates with a wide supply range and is suitable for various applications requiring high precision and low noise.
Pin Functions:
1. Non-inverting Input (Pin 1, V+): Input for the non-inverting signal.
2. Inverting Input (Pin 2, V-): Input for the inverting signal.
3. Output (Pin 3, OUT1): Output for the first amplifier.
4. Negative Supply (Pin 4, V-): Negative power supply connection.
5. Output (Pin 5, OUT2): Output for the second amplifier.
6. Inverting Input (Pin 6, V-): Inverting input for the second amplifier.
7. Non-inverting Input (Pin 7, V+): Non-inverting input for the second amplifier.
8. Positive Supply (Pin 8, VS): Positive power supply connection.
The device operates with a wide supply range and is suitable for various applications requiring high precision and low noise.
Manufacturer
The LMP8640MKE-T is manufactured by Texas Instruments (TI), a global technology company headquartered in Dallas, Texas. Texas Instruments is well-known for designing and manufacturing semiconductors and various integrated circuits, which are key components in a wide range of electronic devices. Founded in 1930, TI has a strong focus on innovation and development in the fields of analog electronics, embedded processing, and digital signal processing.
The LMP8640 is specifically an operational amplifier (op-amp) designed for precision applications, featuring low noise and low distortion. Texas Instruments serves a diverse market including industrial, automotive, communications, and consumer electronics, providing solutions that enable customers to create cutting-edge technology. The company is recognized for its commitment to quality and reliability, making it a leading player in the semiconductor industry.
The LMP8640 is specifically an operational amplifier (op-amp) designed for precision applications, featuring low noise and low distortion. Texas Instruments serves a diverse market including industrial, automotive, communications, and consumer electronics, providing solutions that enable customers to create cutting-edge technology. The company is recognized for its commitment to quality and reliability, making it a leading player in the semiconductor industry.
Application
The LMP8640MKE-T is a precision, low-noise operational amplifier designed for various applications, including:
1. Signal Conditioning: Amplifying low-level signals in sensor applications.
2. Data Acquisition Systems: Enhancing the accuracy of measurements in ADC systems.
3. Medical Devices: Used in instrumentation for biomedical applications, such as ECG and EEG.
4. Industrial Automation: For signal processing in control systems.
5. Audio Equipment: Improving audio quality in high-fidelity circuits.
6. Instrumentation Amplifiers: Ideal for differential signal amplification in sensors.
Its low offset voltage and high bandwidth make it suitable for these precise applications.
1. Signal Conditioning: Amplifying low-level signals in sensor applications.
2. Data Acquisition Systems: Enhancing the accuracy of measurements in ADC systems.
3. Medical Devices: Used in instrumentation for biomedical applications, such as ECG and EEG.
4. Industrial Automation: For signal processing in control systems.
5. Audio Equipment: Improving audio quality in high-fidelity circuits.
6. Instrumentation Amplifiers: Ideal for differential signal amplification in sensors.
Its low offset voltage and high bandwidth make it suitable for these precise applications.
Package
The LMP8640MKE-T is available in a 14-pin TSSOP (Thin Shrink Small Outline Package). This package type features a compact design suitable for surface mounting, making it ideal for space-constrained applications.