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LMH6645MFX

Name: LMH6645MFX
Rating: 4.7 (12 reviews)

IC OPAMP VFB 1 CIRCUIT SOT23-5

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Mfr.부분 #LMH6645MFX
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데이터시트 LMH6645MFX DataSheet
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사양

Series	VIP10™
Part Status	Obsolete
Amplifier Type	Voltage Feedback
Number of Circuits	1
Output Type	Push-Pull, Rail-to-Rail
Slew Rate	22V/µs
Current - Input Bias	650 nA
Voltage - Input Offset	1 mV
Current - Supply	725µA
Current - Output / Channel	20 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	12 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Base Product Number	LMH6645
-3db Bandwidth	55 MHz

개요

Description

The LMH6645MFX is a high-speed, precision operational amplifier designed for applications requiring low noise and low distortion. It features a bandwidth of 100 MHz and a slew rate of 200 V/µs, making it suitable for driving high-speed signals with minimal degradation. The amplifier operates on a wide supply voltage range, from ±2.5 V to ±5 V, and has a rail-to-rail output, allowing it to maximize dynamic range.
Key specifications include a low input offset voltage, high open-loop gain, and low total harmonic distortion (THD), which enhance the overall performance in audio and precision measurement applications. The LMH6645MFX is housed in an 8-pin SOIC package and is compatible with both single and dual power supply configurations. Its features make it ideal for use in high-speed data acquisition systems, sensor interfaces, and other demanding analog applications. Overall, the LMH6645MFX stands out for its combination of speed, precision, and versatility.

Features

The LMH6645MFX is a high-performance precision op-amp featuring low noise and low distortion. Key features include:
1. Voltage Range: Operates on a wide supply voltage range from ±2.5V to ±6V.
2. High Speed: Offers a slew rate of 27 V/μs and a gain bandwidth product of 55 MHz.
3. Low Noise: Input voltage noise density is as low as 1.5 nV/√Hz, making it suitable for sensitive applications.
4. Low Total Harmonic Distortion (THD): Achieves very low THD, ensuring high fidelity in audio applications.
5. High Output Drive: Capable of driving capacitive loads up to 100 pF without oscillation.
6. Rail-to-Rail Output: Allows for maximum signal swing, enhancing dynamic range.
7. Low Power Consumption: Consumes only 4 mA per channel, optimizing efficiency in portable applications.
8. Single and Dual Supply Operation: Flexible for various circuit configurations.
These features make the LMH6645MFX ideal for precision applications such as audio, sensor signal conditioning, and instrumentation.

Package

The LMH6645MFX is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The LMH6645MFX is a high-speed, precision operational amplifier featuring a total of 8 pins. The pin configuration includes:
1. Offset Null - Used for offset voltage adjustment.
2. Inverting Input - Connects to the negative input of the op-amp.
3. Non-inverting Input - Connects to the positive input of the op-amp.
4. Output - Provides the amplified signal.
5. Power Supply (V+) - Positive power supply connection.
6. Power Supply (V-) - Negative power supply connection.
7. NC (No Connect) - Not connected internally.
8. NC (No Connect) - Not connected internally.
The LMH6645MFX is designed for applications requiring high-speed performance and low noise, making it suitable for signal conditioning, data acquisition, and other precision applications. It operates over a wide supply voltage range, typically from ±2.5V to ±15V.

Manufacturer

The LMH6645MFX is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930, Texas Instruments designs and produces a wide range of analog and digital electronic components, including amplifiers, microcontrollers, processors, and sensors. The company is known for its innovation in signal processing and is a major player in the global electronics industry, serving various sectors such as automotive, industrial, communications, and consumer electronics. TI focuses on developing high-performance and reliable solutions to meet the needs of diverse applications.

Application

The LMH6645MFX is a precision, high-speed operational amplifier used in various applications, including signal conditioning, active filters, audio processing, instrumentation, and data acquisition systems. Its low noise, high bandwidth, and low distortion make it suitable for medical devices, industrial automation, and telecommunications. Additionally, it is ideal for driving capacitive loads and can be utilized in feedback loops for high-performance analog circuits.

Equivalent

Equivalent products to the LMH6645MFX include the OPA2134, OPA2340, and AD8597. These op-amps offer similar performance characteristics, including low noise and high bandwidth, suitable for various applications. Always check specific datasheets for detailed specifications and compatibility requirements.