Texas Instruments THS4141 manual ±5. Vicr Level Shifter

Page 12

Additional Sample Schematics

Figure 1±5. VICR Level Shifter

 

 

 

 

 

 

R6B

 

 

 

 

 

VCC

402 Ω

 

 

RX3

 

RPU1

C4

 

 

49.9 Ω

 

 

 

 

VCC

 

50 Ω

 

 

 

 

 

 

RX1

R1b

R3b

 

 

 

 

Source

 

 

+

 

 

 

 

 

 

 

 

VIN

0 Ω

0 Ω

374 Ω

 

 

±

 

 

 

THS4141

 

AC

 

Rx0

R3a

 

 

 

 

 

 

+

 

 

 

24.9 Ω

374 Ω

 

 

±

 

 

 

 

 

 

 

 

 

 

 

C1

VOCM

VCC±

C6

 

 

 

RPU2

 

 

 

 

 

 

 

 

R6a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

402 Ω

 

R4b

Rx4

R10

0 Ω

0 Ω

49.9 Ω

R4a

Rx5

Rx6

0 Ω

0 Ω

49.9 Ω

Note: Shifting the VICR within the specified range in the data sheet via RPU1 and RPU2 if the VICR is out of the specified range. See the Application section of the data sheet for the THS4141 for more information.

Figure 1±6. Butterworth Filter With Multiple Feedback.

RX3

RX1R1B

1 dBm

AC

R7

RX2 R1A

R2B

 

 

 

 

C1B

 

 

 

VCC

 

R3B

+

5 V

R10

 

±

 

C2

 

 

THS4141

RX7

R3A

±

+

 

 

 

 

 

±5 V

 

 

VCC±

 

R2A

C1A

 

 

 

 

 

Note: Butterworth filter implemented with multiple feedback architecture

1-6

Introduction and Description

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Contents Users Guide Important Notice Preface Trademarks Contents Figures Introduction and Description Evaluation Module Features DescriptionTHS4141 EVM Specifications Schematic of the Populated Circuit Default ConfigurationTHS4141 EVM Schematic ±2. SchematicAdditional Sample Schematics ±5. Vicr Level Shifter THS4141 EVM Layout ±7. Top Layer Silkscreen±9. Internal Plane Layer 2 Ground Plane ±11. Bottom Layer 4 Ground and Signal Introduction and Description Using the THS4141 EVM Power Supply Setup Required EquipmentInput and Output Setup ±2. Signal ConnectionsTesting the EVM Setup ±3. Driver 1 Output SignalPower Down Verification Measuring the Frequency ResponseButterworth Filter Butterworth FilterTHS4141 EVM Bill of Materials ±1. THS4141 EVM Bill of MaterialsP374CTR-ND General High-Speed Amplifier Design Considerations General High-Speed Amplifier Design Considerations

THS4141 specifications

The Texas Instruments THS4141 is a high-performance, broadband operational amplifier that is particularly well-suited for applications requiring high speed and precision. As a member of the THS family, this device is optimized for driving high-capacitance loads and is frequently utilized in communications, signal processing, and data acquisition systems. The THS4141 stands out due to its impressive specifications and advanced technologies.

One of the most significant features of the THS4141 is its high bandwidth. With a gain-bandwidth product of approximately 100 MHz, the amplifier can provide high fidelity signal amplification across a wide frequency range, making it ideal for high-speed applications. Additionally, it supports a slew rate of up to 2000 V/μs, which ensures fast response times to rapidly changing input signals. This characteristic is crucial for minimizing distortion in high-frequency scenarios where signal integrity is paramount.

The device operates from a wide supply voltage range of ±2.5V to ±15V, allowing flexibility in design configurations and making it suitable for both single-supply and dual-supply operation. This versatility enables designers to integrate the THS4141 seamlessly into various systems, enhancing design efficiency.

Another key characteristic of the THS4141 is its low input noise, which ensures that it can amplify weak signals without introducing significant distortion or interference. The low noise performance is critical in applications where signal clarity is essential, such as in medical imaging or precision measurement environments.

In terms of technology, the THS4141 employs advanced biCMOS processes that combine the benefits of both bipolar and CMOS technologies. This hybrid approach delivers exceptional performance through improved dynamic range and thermal stability while maintaining low power consumption.

The THS4141 is also designed to drive capacitive loads effectively, making it ideal for use in applications involving filters or transmission lines. Its output stage can handle loads of up to 1000 pF without significant instability, ensuring reliable performance in real-world conditions.

Overall, the Texas Instruments THS4141 operational amplifier is a versatile and high-performance device that excels in high-speed processing and precision applications. Its advanced features, including high bandwidth, low noise, flexible supply voltage, and stability with capacitive loads, make it a valuable component in modern electronic design, catering to the demands of innovative engineering challenges.