Overview
The Texas Instruments THS4541QRGTRQ1 is a high-speed, fully differential amplifier (FDA) designed for low-power data acquisition systems. This voltage-feedback amplifier features an input common-mode range below the negative rail and rail-to-rail output, making it ideal for interfacing with a wide variety of analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The THS4541QRGTRQ1 is AEC-Q100 qualified, ensuring its suitability for automotive applications over a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth (G = 2V/V) | 500 | MHz |
| Gain Bandwidth Product | 850 | MHz |
| Slew Rate | 1500 | V/µs |
| Harmonic Distortion (HD2) at 10MHz | -95 | dBc (2V PP, R_L = 500Ω) |
| Harmonic Distortion (HD3) at 10MHz | -90 | dBc (2V PP, R_L = 500Ω) |
| Input Voltage Noise (f > 100kHz) | 2.2 | nV/Hz |
| Offset Drift | ±0.5 | µV/°C |
| Single-Supply Voltage Range | 2.7 to 5.4 | V |
| Split-Supply Voltage Range | ±1.35 to ±2.7 | V |
| Quiescent Current (5V Supply) | 10.1 | mA |
| Power-Down Current | 2 | µA (typ) |
| Operating Temperature Range | –40 to +125 | °C |
Key Features
- Fully Differential Amplifier (FDA) Architecture
- Negative-Rail Input (NRI) and Rail-to-Rail Output (RRO)
- Robust Operation for R_load ≥ 50Ω
- Output Common-Mode Control
- Low-Power, High-Performance ADC Driver for SAR, ΔΣ, and Pipeline ADCs
- AEC-Q100 Qualified for Automotive Applications
Applications
- Mechanically Scanning LIDAR
- Solid State LIDAR
- Thermal Imaging Cameras
- Microbolometer Cameras
- Time-of-Flight (ToF) Cameras
- Low-Power Data Acquisition Systems
Q & A
- What is the bandwidth of the THS4541QRGTRQ1 amplifier?
The bandwidth of the THS4541QRGTRQ1 is 500 MHz at a gain of 2V/V.
- What is the gain bandwidth product of the THS4541QRGTRQ1?
The gain bandwidth product is 850 MHz.
- What is the slew rate of the THS4541QRGTRQ1?
The slew rate is 1500 V/µs.
- What are the harmonic distortion specifications of the THS4541QRGTRQ1?
The harmonic distortion (HD2) is -95 dBc and HD3 is -90 dBc at 10 MHz with a 2V PP output and R_L = 500Ω.
- What is the input voltage noise of the THS4541QRGTRQ1?
The input voltage noise is 2.2 nV/Hz for frequencies greater than 100 kHz.
- What is the operating temperature range of the THS4541QRGTRQ1?
The operating temperature range is –40°C to +125°C.
- Is the THS4541QRGTRQ1 AEC-Q100 qualified?
Yes, the THS4541QRGTRQ1 is AEC-Q100 qualified for automotive applications.
- What are the power supply options for the THS4541QRGTRQ1?
The THS4541QRGTRQ1 can operate on a single-supply voltage range of 2.7V to 5.4V or a split-supply voltage range of ±1.35V to ±2.7V.
- What is the quiescent current of the THS4541QRGTRQ1?
The quiescent current is 10.1 mA at a 5V supply.
- Does the THS4541QRGTRQ1 have a power-down capability?
Yes, the THS4541QRGTRQ1 has a power-down capability with a current of 2 µA (typical).
