Overview
The THS4509RGTR is a wideband, fully-differential operational amplifier designed by Texas Instruments for high-performance applications, particularly in 5-V data acquisition systems. This device is notable for its low noise and low harmonic distortion, making it ideal for systems requiring high linearity and precision. The THS4509RGTR features a high slew rate of 6600 V/µs and a fast settling time of 2 ns to 1% for a 2-V step, which is beneficial for pulsed applications. It is optimized for gains of 10 dB and operates over a wide bandwidth of 1900 MHz.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 1900 MHz |
| Slew Rate | 6600 V/µs |
| Settling Time (1% for 2-V step) | 2 ns |
| Harmonic Distortion (HD2 at 100 MHz) | –75 dBc |
| Harmonic Distortion (HD3 at 100 MHz) | –80 dBc |
| Output IP3 (OIP3 at 70 MHz) | 37 dBm |
| Input Voltage Noise (f > 10 MHz) | 1.9 nV/√Hz |
| Power-Supply Voltage | 3 V to 5 V |
| Power-Supply Current | 37.7 mA |
| Power-Down Current | 0.65 mA |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | VQFN-16 (RGT) |
Key Features
- Fully-differential architecture
- Centered input common-mode range
- Output common-mode control circuit
- Minimum gain of 6 dB, optimized for gains of 10 dB
- High slew rate and fast settling time
- Low harmonic distortion and noise
- DC coupling capability to analog-to-digital converters (ADCs)
- Optimized for high-performance, single-supply 5-V data acquisition systems
Applications
- 5-V Data Acquisition Systems and High Linearity ADC Amplifiers
- Wireless Communication
- Medical Imaging
- Test and Measurement
Q & A
- What is the bandwidth of the THS4509RGTR?
The bandwidth of the THS4509RGTR is 1900 MHz. - What is the slew rate of the THS4509RGTR?
The slew rate of the THS4509RGTR is 6600 V/µs. - What is the settling time of the THS4509RGTR for a 2-V step?
The settling time is 2 ns to 1% for a 2-V step. - What are the harmonic distortion values for the THS4509RGTR?
The harmonic distortion values are –75 dBc for HD2 and –80 dBc for HD3 at 100 MHz. - What is the input voltage noise of the THS4509RGTR?
The input voltage noise is 1.9 nV/√Hz for frequencies greater than 10 MHz. - What is the power-supply voltage range for the THS4509RGTR?
The power-supply voltage range is 3 V to 5 V. - What is the typical power-supply current of the THS4509RGTR?
The typical power-supply current is 37.7 mA. - What is the power-down current of the THS4509RGTR?
The power-down current is 0.65 mA. - What is the operating temperature range of the THS4509RGTR?
The operating temperature range is –40°C to +85°C. - In what package is the THS4509RGTR available?
The THS4509RGTR is available in a VQFN-16 (RGT) package.
