Overview
The OPA820IDBVT, produced by Texas Instruments, is a high-speed, unity-gain stable, voltage-feedback operational amplifier. It is designed to offer very low input noise voltage and high output current while operating on a low supply current of 5.6 mA. This amplifier is suitable for a wide range of applications due to its excellent DC accuracy and high bandwidth. The OPA820IDBVT is available in both 8-pin SOIC and 5-pin SOT-23 packages, making it versatile for various design needs, including high-density portable applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage | ±750 µV | At 25°C |
| Input Offset Current | ±400 nA | At 25°C |
| Bandwidth (0.1 dB gain flatness) | 220 MHz (G=1), 85 MHz (G=2) | At 25°C, VO = 0.1 VPP |
| Peaking at Gain of 1 | 0.5 dB | VO = 0.1 VPP, RF = 0 Ω |
| Slew Rate | 192 V/µs (G=2, 2-V step) | At 25°C |
| Rise and Fall Time | 1.5 ns (G=2, VO = 0.2-V step) | At 25°C |
| Supply Voltage | Dual ±2.5 V to ±6 V, Single 5 V to 12 V | |
| Package Types | 8-pin SOIC, 5-pin SOT-23 |
Key Features
- Unity-gain stable with high bandwidth (over 800 MHz at G=1) and low peaking (less than 1 dB).
- Very low input noise voltage and high output current.
- Excellent DC accuracy with a maximum input offset voltage of ±750 µV and an offset current of ±400 nA at 25°C.
- Low power consumption with a supply current of 5.6 mA.
- Minimal input and output voltage-swing headroom, allowing operation on a single 5-V supply with more than 2-VPP output swing.
- Industry-standard pinout and package options (8-pin SOIC and 5-pin SOT-23).
- Full specification over both commercial and industrial temperature ranges.
Applications
- Low-cost video line drivers.
- ADC preamplifiers.
- Active filters.
- Low-noise integrators.
- Portable test equipment.
- Optical channel amplifiers.
- Low-power, baseband amplifiers.
- CCD imaging channel amplifiers).
Q & A
- What is the input offset voltage of the OPA820IDBVT at 25°C?
The input offset voltage is ±750 µV at 25°C.
- What is the bandwidth of the OPA820IDBVT at a gain of 1?
The bandwidth is over 800 MHz at a gain of 1).
- What are the package options available for the OPA820IDBVT?
The OPA820IDBVT is available in 8-pin SOIC and 5-pin SOT-23 packages).
- What is the supply current of the OPA820IDBVT?
The supply current is 5.6 mA).
- What are some typical applications of the OPA820IDBVT?
Typical applications include low-cost video line drivers, ADC preamplifiers, active filters, and low-noise integrators).
- Does the OPA820IDBVT support rail-to-rail output?
No, the OPA820IDBVT does not support rail-to-rail output, but it offers more than 2-VPP output swing on a single 5-V supply).
- What is the slew rate of the OPA820IDBVT at a gain of 2?
The slew rate is 192 V/µs at a gain of 2 with a 2-V step).
- Is the OPA820IDBVT compliant with RoHS regulations?
- What are the temperature ranges for the OPA820IDBVT?
The OPA820IDBVT is specified over both commercial and industrial temperature ranges).
- What is the rise and fall time of the OPA820IDBVT at a gain of 2?
The rise and fall time is 1.5 ns at a gain of 2 with a 0.2-V step).
