Images à titre indicatif uniquement
IC OPAMP VFB 4 CIRCUIT 14TSSOP
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FabricantTexas Instruments
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Pièce fabricant #LMH6644MTX
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Fiche technique LMH6644MTX DataSheet
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En stock6352
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Spécifications
| Attribut | Valeur |
| Series | LMH® |
| Part Status | Obsolete |
| Amplifier Type | Voltage Feedback |
| Number of Circuits | 4 |
| Output Type | Rail-to-Rail |
| Slew Rate | 135V/µs |
| Current - Input Bias | 1.6 µA |
| Voltage - Input Offset | 1 mV |
| Supply Current | 2.7mA (x4 Channels) |
| Current - Output / Channel | 75 mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 12.8 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-TSSOP |
| Base Product Number | LMH6644 |
| -3 dB Bandwidth | 130 MHz |
Présentation
Description
The LMH6644MTX is a high-performance, precision operational amplifier designed for a wide range of applications, including data acquisition, instrumentation, and audio processing. It features a low input offset voltage and low noise, making it suitable for sensitive signal amplification.
Key specifications include a high gain bandwidth product (GBW) of 40 MHz, a low total harmonic distortion (THD) of 0.0004%, and a rail-to-rail output stage that allows for maximum signal swing. The device operates on a voltage range of ±2.5V to ±6V and has a low supply current of 1.1 mA per amplifier, contributing to energy efficiency.
Additionally, the LMH6644 includes features like high slew rate (20 V/μs) and excellent phase margin, ensuring stability across various load conditions. Its small package size (TSSOP) enables integration into compact circuit designs. Overall, the LMH6644MTX is an ideal choice for precision applications requiring minimal distortion and high dynamic performance.
Key specifications include a high gain bandwidth product (GBW) of 40 MHz, a low total harmonic distortion (THD) of 0.0004%, and a rail-to-rail output stage that allows for maximum signal swing. The device operates on a voltage range of ±2.5V to ±6V and has a low supply current of 1.1 mA per amplifier, contributing to energy efficiency.
Additionally, the LMH6644 includes features like high slew rate (20 V/μs) and excellent phase margin, ensuring stability across various load conditions. Its small package size (TSSOP) enables integration into compact circuit designs. Overall, the LMH6644MTX is an ideal choice for precision applications requiring minimal distortion and high dynamic performance.
Equivalent
The LMH6644MTX is a high-speed, precision operational amplifier. Equivalent products include the OPA2134, AD8045, and LTC6090. These alternatives offer similar specifications in terms of bandwidth, slew rate, and low distortion, making them suitable for similar applications in audio, instrumentation, and signal processing. Always verify specific parameters to ensure compatibility for your intended use.
Features
The LMH6644MTX is a high-speed, precision operational amplifier notable for its low power consumption and high performance. Key features include:
1. Bandwidth: Offers a gain-bandwidth product of 55 MHz, enabling high-frequency applications.
2. Low Noise: Input voltage noise density of 12 nV/√Hz enhances signal integrity in sensitive applications.
3. Low Distortion: High linearity with low total harmonic distortion (THD), suitable for audio and video applications.
4. High Slew Rate: Slew rate of 27 V/μs allows for fast signal transitions.
5. Supply Voltage: Operates on a dual supply voltage ranging from ±2.5V to ±5V, providing flexibility in various designs.
6. Rail-to-Rail Output: Ensures maximum output swing, improving performance in low-voltage applications.
7. Temperature Range: Operates over an extended temperature range of -40°C to +125°C, suitable for harsh environments.
8. Packaging: Available in a compact 5-lead SOT-23 package, facilitating space-efficient designs.
Overall, the LMH6644MTX is ideal for precision signal processing in demanding applications.
1. Bandwidth: Offers a gain-bandwidth product of 55 MHz, enabling high-frequency applications.
2. Low Noise: Input voltage noise density of 12 nV/√Hz enhances signal integrity in sensitive applications.
3. Low Distortion: High linearity with low total harmonic distortion (THD), suitable for audio and video applications.
4. High Slew Rate: Slew rate of 27 V/μs allows for fast signal transitions.
5. Supply Voltage: Operates on a dual supply voltage ranging from ±2.5V to ±5V, providing flexibility in various designs.
6. Rail-to-Rail Output: Ensures maximum output swing, improving performance in low-voltage applications.
7. Temperature Range: Operates over an extended temperature range of -40°C to +125°C, suitable for harsh environments.
8. Packaging: Available in a compact 5-lead SOT-23 package, facilitating space-efficient designs.
Overall, the LMH6644MTX is ideal for precision signal processing in demanding applications.
Manufacturer
The LMH6644MTX is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company based in the United States. It specializes in developing analog and embedded processing technologies. TI provides a wide range of products, including integrated circuits (ICs), microcontrollers, and digital signal processors, catering to various industries such as automotive, industrial, and consumer electronics. The LMH6644MTX specifically is a precision, high-speed operational amplifier known for its low noise and wide bandwidth, making it suitable for applications in audio, instrumentation, and data acquisition systems. Texas Instruments is recognized for its innovation in the semiconductor industry and has a strong reputation for reliability and performance in its product offerings.
Application
The LMH6644MTX is a high-performance operational amplifier ideal for various application areas, including:
1. Data Acquisition Systems: It can amplify low-level signals from sensors.
2. Instrumentation: Used in medical and industrial equipment for signal processing.
3. Audio Processing: Suitable for high-fidelity audio applications due to its low distortion.
4. Active Filters: Employed in designing precise active filter circuits.
5. Voltage Follower Circuits: Offers high input impedance and low output impedance.
6. Imaging Systems: Enhances signal quality in camera and imaging devices.
These features make it versatile for both consumer and industrial applications where precision and speed are crucial.
1. Data Acquisition Systems: It can amplify low-level signals from sensors.
2. Instrumentation: Used in medical and industrial equipment for signal processing.
3. Audio Processing: Suitable for high-fidelity audio applications due to its low distortion.
4. Active Filters: Employed in designing precise active filter circuits.
5. Voltage Follower Circuits: Offers high input impedance and low output impedance.
6. Imaging Systems: Enhances signal quality in camera and imaging devices.
These features make it versatile for both consumer and industrial applications where precision and speed are crucial.
Package
The LMH6644MTX is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package). This surface-mount package is suitable for applications requiring a compact design while providing thermal and electrical performance.
