Overview
The THS3201DGNG4, produced by Texas Instruments, is a high-performance, wideband current-feedback amplifier. It is designed to operate over a wide supply range of ±3.3 V to ±7.5 V, making it suitable for various high-performance applications. The amplifier is known for its high slew rate of 6700 V/µs and low distortion, which are critical for driving high-resolution and high-sampling rate analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). Its high voltage operation capabilities and excellent linearity in high dynamic systems also make it ideal for test, measurement, and automated test equipment (ATE) applications.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Small-signal bandwidth, –3 dB | 1.8 GHz (G = 1, RF = 1.2 kΩ) | |
| Slew Rate | 6700 V/µs (G = 2 V/V, RL = 100 Ω, 10-V Step) | V/µs |
| IMD3 | –78 dBc at 20 MHz (G = 10 V/V, RL = 100 Ω, 2-VPP Envelope) | dBc |
| Noise Figure | 11 dB (G = 10 V/V, RG = 28 Ω, RF = 255 Ω) | dB |
| Input-Referred Noise (f > 10 MHz) | 1.65 nV/√Hz (Voltage Noise) | nV/√Hz |
| Input Current Noise (f > 10 MHz) | 13.4 pA/√Hz (Noninverting), 20 pA/√Hz (Inverting) | pA/√Hz |
| Output Drive | 100 mA | mA |
| Power-Supply Voltage Range | ±3.3 V to ±7.5 V | V |
| Operating Free-Air Temperature Range | –40°C to +85°C | °C |
| Package Options | 5-pin SOT-23, 8-pin SOIC, 8-pin MSOP with PowerPAD™ |
Key Features
- High slew rate of 6700 V/µs, enabling fast signal processing.
- Low distortion, with IMD3 of –78 dBc at 20 MHz.
- Wide supply range of ±3.3 V to ±7.5 V, suitable for various high-performance applications.
- Low noise figure of 11 dB and input-referred noise of 1.65 nV/√Hz.
- High output drive capability of 100 mA.
- Excellent linearity in high dynamic systems.
- Available in 5-pin SOT-23, 8-pin SOIC, and 8-pin MSOP with PowerPAD™ packages.
Applications
- Arbitrary waveform driver applications.
- High-resolution and high-sampling rate ADC and DAC drivers.
- Test and measurement equipment.
- Automated test equipment (ATE).
- Buffering small to large step pulses in high dynamic systems.
Q & A
- What is the slew rate of the THS3201DGNG4? The slew rate is 6700 V/µs (G = 2 V/V, RL = 100 Ω, 10-V Step).
- What is the typical noise figure of the THS3201DGNG4? The noise figure is 11 dB (G = 10 V/V, RG = 28 Ω, RF = 255 Ω).
- What is the input-referred noise of the THS3201DGNG4? The input-referred noise is 1.65 nV/√Hz for voltage noise and 13.4 pA/√Hz for noninverting current noise, and 20 pA/√Hz for inverting current noise.
- What are the package options for the THS3201DGNG4? The THS3201DGNG4 is available in 5-pin SOT-23, 8-pin SOIC, and 8-pin MSOP with PowerPAD™ packages.
- What is the operating free-air temperature range of the THS3201DGNG4? The operating free-air temperature range is –40°C to +85°C.
- What are the typical applications of the THS3201DGNG4? Typical applications include arbitrary waveform driver, high-resolution and high-sampling rate ADC and DAC drivers, test and measurement equipment, and ATE.
- What is the output drive capability of the THS3201DGNG4? The output drive capability is 100 mA.
- How does the PowerPAD™ feature enhance the THS3201DGNG4? The PowerPAD™ acts as a heat sink and must be connected to a thermally dissipative plane for proper power dissipation, improving thermal management and reliability.
- What is the bandwidth for 0.1 dB flatness of the THS3201DGNG4? The bandwidth for 0.1 dB flatness is 380 MHz (G = 2, VO = 200 mVpp).
- Is the THS3201DGNG4 recommended for new designs? No, the THS3201 is not recommended for new designs according to the datasheet.
