Overview
The OPA820IDBVT is a high-speed operational amplifier produced by Texas Instruments. It is designed for precision signal conditioning and analog signal processing applications. This voltage-feedback amplifier offers high bandwidth, low distortion, and low input bias current, making it ideal for high-frequency and low-power applications.
The OPA820IDBVT features a high frequency response of 260 MHz and can operate on a single 5 V power supply. It is available in a SOT23-5 package and is unity-gain stable, ensuring reliable performance in various analog circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Architecture | Voltage Feedback |
| Number of Channels | 1 |
| Total Supply Voltage (min) (V) | 5 |
| Total Supply Voltage (max) (V) | 12 |
| GBW (typ) (MHz) | 280 |
| BW at Acl (MHz) | 800 |
| Slew Rate (typ) (V/µs) | 240 |
| Vn at flatband (typ) (nV√Hz) | 2.5 |
| Iq per channel (typ) (mA) | 5.6 |
| Vos (offset voltage at 25°C) (max) (mV) | 1.1 |
| Operating temperature range (°C) | -40 to 85 |
| Input bias current (max) (pA) | 16,000,000 |
| Offset drift (typ) (µV/°C) | 4 |
| Iout (typ) (mA) | 110 |
| 2nd harmonic (dBc) | 85 |
| 3rd harmonic (dBc) | 95 |
| Frequency of harmonic distortion measurement (MHz) | 1 |
Key Features
- High bandwidth of 280 MHz and 800 MHz bandwidth at Acl
- Low input noise voltage of 2.5 nV/√Hz
- High-output current of ±110 mA
- Low supply current of 5.6 mA per channel
- Flexible supply voltage: single 5 V to 12 V or dual ±2.5 V to ±6 V
- Excellent DC accuracy with maximum 25°C input offset voltage of ±750 µV and input offset current of ±400 nA
- Unity-gain stable with less than 1-dB peaking
- Low distortion with 2nd and 3rd harmonic measurements of 85 dBc and 95 dBc respectively
- Operating temperature range of -40°C to 85°C
Applications
- Precision signal conditioning and analog signal processing
- High-frequency applications requiring low distortion and high bandwidth
- Low-power signal processing applications
- Analog-to-digital converter (ADC) input stages
- Composite-video line-driver applications
- High-density portable applications
Q & A
- Q: What is the typical bandwidth of the OPA820IDBVT?
A: The OPA820IDBVT has a typical bandwidth of 280 MHz and 800 MHz bandwidth at Acl.
- Q: Is the OPA820IDBVT suitable for low-power applications?
A: Yes, the OPA820IDBVT features low power consumption with a supply current of 5.6 mA per channel, making it ideal for low-power applications.
- Q: What is the input noise voltage of the OPA820IDBVT?
A: The OPA820IDBVT has a low input noise voltage of 2.5 nV/√Hz.
- Q: What is the maximum output current of the OPA820IDBVT?
A: The OPA820IDBVT can deliver a high-output current of ±110 mA.
- Q: What are the operating temperature ranges for the OPA820IDBVT?
A: The OPA820IDBVT operates over a temperature range of -40°C to 85°C.
- Q: Is the OPA820IDBVT unity-gain stable?
A: Yes, the OPA820IDBVT is unity-gain stable with less than 1-dB peaking.
- Q: What are the typical harmonic distortion measurements for the OPA820IDBVT?
A: The OPA820IDBVT has 2nd and 3rd harmonic measurements of 85 dBc and 95 dBc respectively.
- Q: What package types are available for the OPA820IDBVT?
A: The OPA820IDBVT is available in a SOT23-5 package.
- Q: What are the supply voltage options for the OPA820IDBVT?
A: The OPA820IDBVT can operate on a single 5 V to 12 V supply or dual ±2.5 V to ±6 V supply.
- Q: What is the maximum input offset voltage of the OPA820IDBVT at 25°C?
A: The maximum input offset voltage at 25°C is ±750 µV.
