Overview
The THS4061IDR, produced by Texas Instruments, is a high-speed operational amplifier designed for applications requiring low distortion and high bandwidth. This device is part of the THS4061/2 series, which includes single-channel (THS4061) and dual-channel (THS4062) variants. The THS4061IDR is particularly suited for high-frequency applications due to its impressive dynamic performance, including a total harmonic distortion of −72 dBc at 1 MHz and a unity-gain bandwidth of up to 180 MHz.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Unity-Gain Bandwidth | VCC = ±15 V, Gain = 1 | 140 | 180 | - | MHz |
| Slew Rate | VCC = ±15 V, Gain = −1 | 400 | 500 | - | V/μs |
| Settling Time to 0.1% | VCC = ±15 V, 5-V step (0 V to 5 V), Gain = −1 | 40 | - | - | ns |
| Total Harmonic Distortion | f = 1 MHz | -72 | - | - | dBc |
| Input Offset Voltage | VCC = ±5 V or ±15 V, TA = full range | 2.5 | - | 8 | mV |
| Common-Mode Input Voltage Range | VCC = ±15 V | ±13.8 | - | ±14.1 | V |
| Output Voltage Swing | VCC = ±15 V, RL = 1 kΩ | ±13 | - | ±13.5 | V |
| Quiescent Current (per amplifier) | VCC = ±15 V, TA = full range | 7.8 | - | 10.5 | mA |
| Power Supply Rejection Ratio | VCC = ±5 V or ±15 V, TA = 25°C | 70 | - | 78 | dB |
Key Features
- High-Speed Operation: Unity-gain bandwidth of up to 180 MHz and slew rate of up to 500 V/μs.
- Low Distortion: Total harmonic distortion of −72 dBc at 1 MHz.
- Wide Supply Voltage Range: Operates with dual supply voltages from ±4.5 V to ±16.5 V and single supply voltages from 9 V to 33 V.
- High Output Drive Capability: Output current up to 115 mA and output voltage swing up to ±13.5 V with a 1 kΩ load.
- Low Noise and High CMRR: Input voltage noise of 14.5 nV/√Hz and common-mode rejection ratio of up to 110 dB.
- Temperature Range: Available in various temperature ranges including −40°C to 85°C and −55°C to 125°C.
Applications
The THS4061IDR is suitable for a variety of high-frequency applications, including:
- Video and Imaging Systems: Due to its low differential gain and phase errors, it is ideal for video amplification and processing.
- Medical and Scientific Instruments: High bandwidth and low noise make it suitable for medical imaging and scientific measurement equipment.
- Aerospace and Defense: Its robust performance over a wide temperature range makes it a good choice for military and aerospace applications.
- High-Speed Data Acquisition: The amplifier's high slew rate and bandwidth make it suitable for high-speed data acquisition systems.
Q & A
- What is the unity-gain bandwidth of the THS4061IDR?
The unity-gain bandwidth of the THS4061IDR is up to 180 MHz. - What is the total harmonic distortion of the THS4061IDR at 1 MHz?
The total harmonic distortion is −72 dBc at 1 MHz. - What is the slew rate of the THS4061IDR?
The slew rate is up to 500 V/μs. - What is the input offset voltage range of the THS4061IDR?
The input offset voltage range is from 2.5 mV to 8 mV over the full temperature range. - What is the common-mode input voltage range for the THS4061IDR?
The common-mode input voltage range is ±13.8 V to ±14.1 V for VCC = ±15 V. - What is the output voltage swing of the THS4061IDR with a 1 kΩ load?
The output voltage swing is up to ±13.5 V with a 1 kΩ load. - What is the quiescent current per amplifier for the THS4061IDR?
The quiescent current per amplifier is from 7.8 mA to 10.5 mA over the full temperature range. - What is the power supply rejection ratio of the THS4061IDR?
The power supply rejection ratio is up to 78 dB at 25°C. - In what temperature ranges is the THS4061IDR available?
The THS4061IDR is available in temperature ranges including −40°C to 85°C and −55°C to 125°C. - What are some typical applications of the THS4061IDR?
Typical applications include video and imaging systems, medical and scientific instruments, aerospace and defense, and high-speed data acquisition systems.
