Overview
The OPA2830IDGKT is a dual, low-power, single-supply, wideband operational amplifier designed by Texas Instruments. This device is optimized for operation on a single 3V or 5V supply, but it also supports dual supply configurations from ±1.5V to ±5.5V and single supply configurations from 3V to 11V. The OPA2830 features high bandwidth, low supply current, and a wide input range that includes ground on single supply, making it suitable for a variety of applications in consumer electronics and industrial systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Bandwidth (Gain = +1) | - | 230 | - | MHz |
| Bandwidth (Gain = +2) | - | 100 | - | MHz |
| Supply Current (VS = 5V) | 6.2 | 8.8 | 11.4 | mA |
| Supply Voltage Range (Dual Supply) | ±1.5V | - | ±5.5V | V |
| Supply Voltage Range (Single Supply) | 3V | - | 11V | V |
| Input Range (Single Supply) | Below ground | - | Within 1.8V of positive supply | V |
| Output Swing (VS = 5V) | - | 4.82 | - | V |
| Slew Rate | - | 500 | - | V/μs |
| Input Voltage Noise | - | 9.2 | - | nV/√Hz |
| Output Drive Current | ±50 | ±75 | - | mA |
| Package | - | VSSOP-8 | - | - |
Key Features
- High bandwidth: 230MHz (gain = +1) and 100MHz (gain = +2)
- Low supply current: 8.8mA (VS = 5V)
- Flexible supply range: Dual supply ±1.5V to ±5.5V and single supply 3V to 11V
- Input range includes ground on single supply
- High output drive current: ±75mA
- High slew rate: 500V/μs
- Low input voltage noise: 9.2nV/√Hz
- Low distortion operation with high gain bandwidth product
- Available in VSSOP-8 package
Applications
- Single-supply analog-to-digital converter (ADC) input buffers
- Single-supply video line drivers
- CCD imaging channels
- Low-power ultrasound
- PLL integrators
- Portable consumer electronics
Q & A
- What is the bandwidth of the OPA2830 at a gain of +1?
The bandwidth of the OPA2830 at a gain of +1 is 230MHz.
- What is the typical supply current of the OPA2830 when operating on a 5V supply?
The typical supply current is 8.8mA when operating on a 5V supply.
- What is the input range of the OPA2830 on a single supply?
The input range includes below ground and up to within 1.8V of the positive supply.
- What is the slew rate of the OPA2830?
The slew rate is 500V/μs.
- What is the output drive current capability of the OPA2830?
The output drive current is ±75mA.
- What are the common applications of the OPA2830?
Common applications include single-supply ADC input buffers, single-supply video line drivers, CCD imaging channels, low-power ultrasound, PLL integrators, and portable consumer electronics.
- What package options are available for the OPA2830?
The OPA2830 is available in VSSOP-8 and SO-8 packages.
- What is the input voltage noise of the OPA2830?
The input voltage noise is 9.2nV/√Hz.
- How does the OPA2830 perform in terms of distortion?
The OPA2830 provides low distortion operation due to its high gain bandwidth product and slew rate, and distortion performance improves as the signal swing decreases.
- What is the common-mode rejection ratio (CMRR) of the OPA2830?
The CMRR is typically 76dB to 80dB.
