Overview
The THS4505 is a high-performance, fully differential amplifier from Texas Instruments. It is part of the THS4504/THS4505 family, known for its exceptional bandwidth, low distortion, and versatile power supply options. This amplifier is designed to meet the stringent requirements of various high-speed applications, including wireless communication receiver chains, active filtering of differential signals, and differential line driving.
Key Specifications
| Parameter | Typical Value | Unit | Conditions |
|---|---|---|---|
| Bandwidth | 260 MHz | G = 1, PIN = –20 dBm, RF = 499 Ω | |
| Slew Rate | 1800 V/µs | ||
| Third-order Output Intercept Point (OIP3) | 29 dBm | fC = 30 MHz, Rf = 499 Ω | |
| Input Voltage Noise | 8 nV/√Hz | f > 1 MHz | |
| Input Current Noise | 2 pA/√Hz | f > 100 kHz | |
| Input Offset Voltage | –4 to –1 mV | ||
| Common-Mode Input Range | –5.7 to 2.6 V | ||
| Power Supply Voltage | ±5 V, 5 V, 12 V, 15 V | ||
| Quiescent Current | 16 to 25 mA |
Key Features
- High bandwidth of 260 MHz and slew rate of 1800 V/µs, making it suitable for high-speed applications.
- Single-ended to differential conversion and differential line driving capabilities.
- Output common-mode control and active filtering of differential signals.
- Wide power-supply voltage range: 5 V, ±5 V, 12 V, 15 V.
- Input common-mode range shifted to include the negative power-supply rail.
- Low input voltage noise (8 nV/√Hz) and input current noise (2 pA/√Hz).
- High third-order output intercept point (OIP3) of 29 dBm at 30 MHz.
Applications
- Wireless communication receiver chains.
- Active filtering of differential signals.
- Differential line driving.
- High-speed data acquisition systems.
- Professional audio equipment.
- Medical imaging and diagnostic equipment.
Q & A
- What is the bandwidth of the THS4505 amplifier?
The bandwidth of the THS4505 amplifier is 260 MHz at a gain of 1.
- What is the slew rate of the THS4505?
The slew rate of the THS4505 is 1800 V/µs.
- What is the third-order output intercept point (OIP3) of the THS4505?
The OIP3 of the THS4505 is 29 dBm at 30 MHz.
- What is the input voltage noise of the THS4505?
The input voltage noise of the THS4505 is 8 nV/√Hz for frequencies greater than 1 MHz.
- What are the power supply voltage options for the THS4505?
The THS4505 can operate with power supply voltages of 5 V, ±5 V, 12 V, and 15 V.
- Does the THS4505 have power-down capability?
No, the THS4505 does not have power-down capability. This feature is available in the THS4504 model.
- What is the common-mode input range of the THS4505?
The common-mode input range of the THS4505 is –5.7 to 2.6 V.
- What is the quiescent current of the THS4505?
The quiescent current of the THS4505 ranges from 16 to 25 mA.
- What are some typical applications of the THS4505?
Typical applications include wireless communication receiver chains, active filtering of differential signals, differential line driving, high-speed data acquisition systems, professional audio equipment, and medical imaging and diagnostic equipment.
- Is the THS4505 suitable for high-speed data acquisition systems?
