Overview
The THS4032IDGN is a dual-channel, low-noise, high-speed voltage-feedback amplifier produced by Texas Instruments. This component is part of the THS403x series, which includes both single-amplifier (THS4031) and dual-amplifier (THS4032) versions. The THS4032 is designed for applications requiring low voltage noise and high-speed performance, making it an excellent choice for communications and imaging systems.
The amplifier features ultra-low voltage noise, high bandwidth, and very low distortion, making it suitable for buffering analog-to-digital converters and other applications where low noise and high fidelity are critical.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Package | HVSSOP (DGN) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40°C to 85°C | - |
| Bandwidth | 100 MHz [G = 2 (–1), –3dB] | - |
| Slew Rate | 100 V/µs | - |
| Settling Time (0.1%) | 70 ns | - |
| Voltage Noise | 1.2 nV/√Hz | f > 10 kHz |
| Total Harmonic Distortion (THD) | -81 dBc (f = 1 MHz, RL = 150 Ω), -96 dBc (f = 1 MHz, RL = 1 kΩ) | - |
| Input Offset Voltage | 0.3 mV (typical) | - |
| Output Current Drive | 200 mA (typical) | - |
| Supply Voltage Operating Range | ±4.5 V to ±16 V | - |
| Supply Current (each amplifier) | 7.5 mA (typical) | - |
Key Features
- Ultra-low 1.2 nV/√Hz voltage noise
- High speed with 100 MHz bandwidth and 100 V/µs slew rate
- Very low distortion with THD of –81 dBc (f = 1 MHz, RL = 150 Ω) and –96 dBc (f = 1 MHz, RL = 1 kΩ)
- Low 0.3 mV (typical) input offset voltage
- High drive capability of 200 mA output current
- Typical operation from ±4.5 V to ±16 V supply voltage
- Unity-gain stable with 120 MHz bandwidth
- Low supply current of 7.5 mA per channel
Applications
The THS4032IDGN is designed for applications that require low voltage noise and high-speed performance. Some key applications include:
- Communications systems: For amplifying signals in communication equipment where low noise and high fidelity are essential.
- Imaging systems: Suitable for imaging applications such as medical imaging, video processing, and other high-speed imaging needs.
- Buffering analog-to-digital converters: The low noise and high speed make it ideal for buffering signals before they are converted to digital form.
- High-speed data acquisition: For applications requiring fast and accurate signal amplification.
Q & A
- What is the bandwidth of the THS4032IDGN?
The bandwidth of the THS4032IDGN is 100 MHz at a gain of 2.
- What is the slew rate of the THS4032IDGN?
The slew rate of the THS4032IDGN is 100 V/µs.
- What is the typical input offset voltage of the THS4032IDGN?
The typical input offset voltage is 0.3 mV.
- What is the output current drive capability of the THS4032IDGN?
The output current drive capability is typically 200 mA.
- What is the supply voltage operating range for the THS4032IDGN?
The supply voltage operating range is from ±4.5 V to ±16 V.
- What is the typical supply current per channel for the THS4032IDGN?
The typical supply current per channel is 7.5 mA.
- What are the key applications for the THS4032IDGN?
The key applications include communications systems, imaging systems, buffering analog-to-digital converters, and high-speed data acquisition.
- What is the operating temperature range for the THS4032IDGN?
The operating temperature range is from -40°C to 85°C.
- What is the package type and pin count for the THS4032IDGN?
The package type is HVSSOP (DGN) with 8 pins.
- How does the THS4032IDGN perform in terms of total harmonic distortion (THD)?
The THD is -81 dBc at 1 MHz with a 150 Ω load and -96 dBc at 1 MHz with a 1 kΩ load.
