Overview
The THS4012IDR from Texas Instruments is a high-speed, dual-channel, low-distortion voltage-feedback amplifier. This device is part of the THS4011/4012 series, known for its exceptional ac performance and suitability for a wide range of applications. The THS4012IDR is configured in a voltage feedback architecture, utilizing a 30-V, dielectrically isolated, complementary bipolar process. This results in an amplifier with a wide bandwidth, high slew rate, fast settling time, and low distortion.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Bandwidth (G = 1, –3 dB) | 290 | MHz |
| Slew Rate | 310 | V/μs |
| Settling Time (0.1%) | 37 | ns |
| Total Harmonic Distortion (THD) at f = 1 MHz | –80 | dBc |
| Output Current Drive | 110 | mA |
| Voltage Noise | 7.5 | nV/√Hz |
| Supply Voltage Range | ±4.5 to ±16.5 V (dual supply), 9 to 33 V (single supply) | V |
| Operating Free-Air Temperature Range | –40 to 85 °C (I suffix) | °C |
| Input Offset Voltage | 2 to 6 | mV |
| Input Bias Current | 25 to 250 | μA |
| Output Voltage Swing (RL = 150 Ω, VCC = ±15 V) | ±12 to ±13 V | V |
Key Features
- High Speed: 290-MHz bandwidth, 310-V/μs slew rate, and 37-ns settling time (0.1%).
- Low Distortion: Total harmonic distortion (THD) of –80 dBc at f = 1 MHz.
- Excellent Video Performance: 0.1-dB gain flatness to 70 MHz, 0.006% differential gain error, and 0.01° differential phase error.
- High Output Drive Capability: 110-mA output current drive.
- Low Voltage Noise: 7.5-nV/√Hz voltage noise.
- Flexible Supply Voltage: Operates on ±4.5 to ±16.5 V dual supply or 9 to 33 V single supply.
- Compact Packaging: Available in standard SOIC, MSOP PowerPAD™, JG, or FK packages.
Applications
- Video Amplification: Ideal for video applications due to its excellent video performance metrics.
- High-Speed Data Acquisition: Suitable for high-speed data acquisition systems requiring low distortion and fast settling times.
- Medical Imaging: Used in medical imaging equipment where high-speed and low-distortion amplification are critical.
- Aerospace and Defense: Applied in various aerospace and defense applications requiring high-performance amplifiers.
- Test and Measurement Equipment: Utilized in test and measurement instruments for their high-speed and low-noise characteristics.
Q & A
- What is the bandwidth of the THS4012IDR amplifier?
The THS4012IDR has a bandwidth of 290 MHz at a gain of 1 (–3 dB).
- What is the slew rate of the THS4012IDR?
The slew rate of the THS4012IDR is 310 V/μs.
- What is the settling time of the THS4012IDR?
The settling time of the THS4012IDR is 37 ns (0.1%).
- What is the total harmonic distortion (THD) of the THS4012IDR at 1 MHz?
The THD at 1 MHz is –80 dBc.
- What is the output current drive capability of the THS4012IDR?
The output current drive capability is typically 110 mA.
- What is the voltage noise of the THS4012IDR?
The voltage noise is 7.5 nV/√Hz.
- What are the available package options for the THS4012IDR?
The THS4012IDR is available in standard SOIC, MSOP PowerPAD™, JG, or FK packages.
- What is the operating free-air temperature range for the THS4012IDR?
The operating free-air temperature range is –40 to 85 °C for the I suffix.
- What are some typical applications of the THS4012IDR?
Typical applications include video amplification, high-speed data acquisition, medical imaging, aerospace and defense, and test and measurement equipment).
- What is the supply voltage range for the THS4012IDR?
The supply voltage range is ±4.5 to ±16.5 V for dual supply and 9 to 33 V for single supply).
