Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | Differential |
| Number of Circuits | 1 |
| Output Type | Differential, Rail-to-Rail |
| Slew Rate | 422.5V/µs |
| Gain Bandwidth Product | 81 MHz |
| -3 dB Bandwidth | 104.3 MHz |
| Current - Input Bias | 750 nA |
| Voltage - Input Offset | 100 µV |
| Supply Current | 1mA |
| Current - Output / Channel | 35 mA |
| Voltage - Supply Span(Min) | 2.5 V |
| Voltage - Supply Span(Max) | 3.6 V |
| Operating Temperature | -55°C ~ 175°C |
| Mounting Type | Surface Mount |
Overview
Description
The THS4521HD is a high-definition, fully differential amplifier designed by Texas Instruments. It is primarily used in applications requiring high speed, low distortion, and high precision. The amplifier operates with a wide bandwidth and low noise, making it suitable for driving high-speed analog-to-digital converters (ADCs) and in high-performance data acquisition systems. It features low harmonic distortion and a high slew rate, enhancing signal integrity in demanding environments.
The THS4521HD supports differential input and output, which helps in minimizing electromagnetic interference (EMI) and improves signal-to-noise ratio (SNR). This makes it ideal for use in communication systems, medical imaging, and test and measurement equipment. The device operates over a wide supply voltage range, enhancing flexibility in different circuit designs. Its compact size and power-efficient design make it suitable for both portable and non-portable applications.
Overall, the THS4521HD is valued for its precision and performance in applications requiring high fidelity and robust signal processing capabilities.
The THS4521HD supports differential input and output, which helps in minimizing electromagnetic interference (EMI) and improves signal-to-noise ratio (SNR). This makes it ideal for use in communication systems, medical imaging, and test and measurement equipment. The device operates over a wide supply voltage range, enhancing flexibility in different circuit designs. Its compact size and power-efficient design make it suitable for both portable and non-portable applications.
Overall, the THS4521HD is valued for its precision and performance in applications requiring high fidelity and robust signal processing capabilities.
Equivalent
The THS4521HD is a high-speed, fully differential amplifier from Texas Instruments. Equivalent products from other manufacturers include the ADA4941-1 from Analog Devices, the LTC6401-20 from Analog Devices (formerly Linear Technology), and the MAX4444 from Maxim Integrated. These products offer similar functionalities, such as low distortion, wide bandwidth, and are suitable for high-speed data acquisition systems. Always verify specifications to ensure compatibility with your specific application needs.
Features
The THS4521HD is a high-performance, fully differential operational amplifier designed for precision signal processing applications. Key features include:
1. High Bandwidth: It offers a wide bandwidth of up to 450 MHz, making it suitable for high-speed applications.
2. Low Noise: The amplifier boasts a low input voltage noise density, ensuring minimal signal distortion and high precision.
3. Rail-to-Rail Output: The device supports rail-to-rail output swing, enhancing dynamic range and flexibility in design.
4. Low Distortion: It delivers low total harmonic distortion (THD), which is crucial for high-fidelity signal amplification.
5. Power Supply Range: Compatible with a single supply voltage range from 2.5 V to 5.5 V, or a dual supply range from ±1.25 V to ±2.75 V.
6. Power Efficiency: Designed for low power consumption, optimizing it for battery-powered and portable devices.
7. Integrated Features: The THS4521HD includes features like common-mode feedback, which stabilizes the output common-mode voltage.
These features make the THS4521HD ideal for applications such as data acquisition systems, medical imaging, communications, and industrial instrumentation.
1. High Bandwidth: It offers a wide bandwidth of up to 450 MHz, making it suitable for high-speed applications.
2. Low Noise: The amplifier boasts a low input voltage noise density, ensuring minimal signal distortion and high precision.
3. Rail-to-Rail Output: The device supports rail-to-rail output swing, enhancing dynamic range and flexibility in design.
4. Low Distortion: It delivers low total harmonic distortion (THD), which is crucial for high-fidelity signal amplification.
5. Power Supply Range: Compatible with a single supply voltage range from 2.5 V to 5.5 V, or a dual supply range from ±1.25 V to ±2.75 V.
6. Power Efficiency: Designed for low power consumption, optimizing it for battery-powered and portable devices.
7. Integrated Features: The THS4521HD includes features like common-mode feedback, which stabilizes the output common-mode voltage.
These features make the THS4521HD ideal for applications such as data acquisition systems, medical imaging, communications, and industrial instrumentation.
Pinout
The THS4521HD is a fully differential operational amplifier from Texas Instruments, designed for high-precision applications. It is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here are the pin functions:
1. IN+: Non-inverting input.
2. IN-: Inverting input.
3. VOCM: Common-mode voltage input, used for setting the output common-mode voltage.
4. V+: Positive power supply voltage.
5. OUT+: Non-inverting output.
6. OUT-: Inverting output.
7. V-: Negative power supply voltage (ground in single-supply applications).
8. SHDN: Shutdown pin, active low. When pulled low, it shuts down the amplifier to save power.
This configuration makes the THS4521HD suitable for driving high-resolution analog-to-digital converters (ADCs) with differential input requirements, providing excellent performance in terms of bandwidth, noise, and distortion.
1. IN+: Non-inverting input.
2. IN-: Inverting input.
3. VOCM: Common-mode voltage input, used for setting the output common-mode voltage.
4. V+: Positive power supply voltage.
5. OUT+: Non-inverting output.
6. OUT-: Inverting output.
7. V-: Negative power supply voltage (ground in single-supply applications).
8. SHDN: Shutdown pin, active low. When pulled low, it shuts down the amplifier to save power.
This configuration makes the THS4521HD suitable for driving high-resolution analog-to-digital converters (ADCs) with differential input requirements, providing excellent performance in terms of bandwidth, noise, and distortion.
Manufacturer
The THS4521HD is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is well-known for its development of analog chips and embedded processors, which are pivotal in a wide range of electronic devices and systems. The company's products are utilized in various applications, including industrial, automotive, personal electronics, communications, and enterprise systems. Texas Instruments is considered a leader in the semiconductor industry and has a long history of innovation and contributions to technology.
Application
The THS4521HD is a precision high-speed fully differential amplifier commonly used in various applications. Its primary application areas include high-speed data acquisition systems, such as in analog-to-digital converters (ADCs) to improve signal fidelity and dynamic range. It is also used in communication systems for signal conditioning and in test and measurement equipment due to its low noise and wide bandwidth features. Additionally, it is suitable for medical imaging devices, where precision and speed are crucial, and in industrial instrumentation for robust signal amplification. Its balanced differential architecture makes it ideal for applications requiring high linearity and low distortion.
Package
The THS4521HD is an operational amplifier from Texas Instruments, and it typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is designed for surface-mount technology, offering a compact and efficient design suitable for various electronic applications. For the most accurate information, refer to the specific datasheet from Texas Instruments.