Overview
The THS4509QRGTRQ1 is a wideband, fully differential operational amplifier designed by Texas Instruments. It is optimized for high-performance in 5-V data acquisition systems, particularly in applications requiring low noise and low harmonic distortion. The amplifier features a fully differential architecture with a centered input common-mode range, making it suitable for various high-linearity ADC and data acquisition applications. It operates over a wide temperature range from –40°C to 125°C, making it suitable for both industrial and automotive environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Total Supply Voltage | 3 | 5.25 | V | |
| Operating Temperature | –40 | 25 | 125 | °C |
| Quiescent Current | 33.5 | 37.7 | 41.9 | mA |
| Power-Down Quiescent Current | 0.65 | 1 | mA | |
| Input Voltage Noise | 1.9 | nV/√Hz (f > 10 MHz) | ||
| Harmonic Distortion (HD2, HD3) at 100 MHz | –75 dBc, –80 dBc | |||
| Bandwidth | 1900 MHz | |||
| Slew Rate | 6600 V/μs | |||
| Settling Time (1%) | 2 ns | |||
| Output Impedance | 50 || 2 kΩ || pF |
Key Features
- Fully differential architecture with centered input common-mode range.
- Low noise at 1.9 nV/√Hz (f > 10 MHz).
- Extremely low harmonic distortion: –75 dBc HD2 and –80 dBc HD3 at 100 MHz.
- High slew rate of 6600 V/μs.
- Fast settling time of 2 ns (1%).
- Power supply voltage range: 3 V to 5 V.
- Power-down capability with a quiescent current of 0.65 mA.
- Qualified for automotive applications with operation over –40°C to 125°C temperature range.
- Available in a quad, leadless VQFN-16 package (RGT).
Applications
- 5-V Data Acquisition Systems with high linearity ADCs.
- Automotive systems: Adaptive Cruise Control, Blind Spot Detection, Collision Warning.
- Industrial applications.
- Wireless Communication systems.
- Medical Imaging.
- Test and Measurement equipment.
Q & A
- What is the typical input voltage noise of the THS4509QRGTRQ1?
The typical input voltage noise is 1.9 nV/√Hz for frequencies greater than 10 MHz.
- What are the harmonic distortion levels of the THS4509QRGTRQ1 at 100 MHz?
The harmonic distortion levels are –75 dBc for HD2 and –80 dBc for HD3 at 100 MHz.
- What is the slew rate of the THS4509QRGTRQ1?
The slew rate is 6600 V/μs.
- What is the settling time of the THS4509QRGTRQ1?
The settling time is 2 ns (1%).
- What is the power supply voltage range for the THS4509QRGTRQ1?
The power supply voltage range is from 3 V to 5 V.
- What is the quiescent current in power-down mode?
The quiescent current in power-down mode is 0.65 mA.
- What is the operating temperature range for the THS4509QRGTRQ1?
The operating temperature range is from –40°C to 125°C.
- In what package is the THS4509QRGTRQ1 available?
The THS4509QRGTRQ1 is available in a quad, leadless VQFN-16 package (RGT).
- What are some common applications of the THS4509QRGTRQ1?
Common applications include 5-V data acquisition systems, automotive systems, industrial applications, wireless communication, medical imaging, and test and measurement equipment.
- Is the THS4509QRGTRQ1 qualified for automotive use?
Yes, the THS4509QRGTRQ1 is qualified for automotive applications.
