Overview
The OPA847IDBVTG4, produced by Texas Instruments, is a high-performance, wideband, ultra-low noise voltage-feedback operational amplifier. This device is designed to offer exceptional gain bandwidth and large signal performance, making it ideal for various high-demand applications. The OPA847 combines a 3.9GHz gain bandwidth product with an ultra-low input noise voltage of 0.85nV/√Hz, while operating on a relatively low supply current of 18.1mA. It also features an optional power shutdown pin, which significantly reduces power consumption when not in use.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Gain Bandwidth Product | 3.9 | GHz |
| Input Voltage Noise | 0.85 | nV/√Hz |
| Harmonic Distortion (5MHz) | –105 | dBc |
| Slew Rate | 950 | V/µs |
| Input Offset Voltage | ±0.1 | mV |
| Supply Current | 18.1 | mA |
| Power Supply Range | ±5V | V |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | SOT23-6 |
Key Features
- High Gain Bandwidth Product: 3.9GHz, enabling wideband applications.
- Ultra-Low Input Noise Voltage: 0.85nV/√Hz, ideal for low noise amplification.
- Low Distortion: –105dBc at 5MHz, ensuring high fidelity signal processing.
- High Slew Rate: 950V/µs, suitable for high-speed applications.
- Low Supply Current: 18.1mA, with an optional power shutdown feature to reduce power consumption.
- High DC Accuracy: Input offset voltage < ±100µV.
- Stable for Gains ≥ 12: Ensures stable operation across a range of gain settings.
Applications
- High Dynamic Range ADC Preamplifiers: Ideal for differential ADC driver applications.
- Low Noise, Wideband Transimpedance Amplifiers: Suitable for photodiode and other transimpedance applications.
- Wideband, High Gain Amplifiers: Used in various high-gain, wideband signal amplification tasks.
- Low Noise Differential Receivers: Applicable in high-sensitivity differential signal reception.
- Ultrasound Channel Amplifiers: Employed in medical ultrasound equipment for high-fidelity signal amplification.
Q & A
- What is the gain bandwidth product of the OPA847IDBVTG4?
The gain bandwidth product of the OPA847IDBVTG4 is 3.9GHz.
- What is the input voltage noise of the OPA847IDBVTG4?
The input voltage noise is 0.85nV/√Hz.
- What is the slew rate of the OPA847IDBVTG4?
The slew rate is 950V/µs.
- What is the typical supply current of the OPA847IDBVTG4?
The typical supply current is 18.1mA.
- Does the OPA847IDBVTG4 have a power shutdown feature?
Yes, it has an optional power shutdown pin that reduces supply current to less than 1% of the powered-up value when asserted low.
- What is the operating temperature range of the OPA847IDBVTG4?
The operating temperature range is –40°C to +85°C.
- In what package is the OPA847IDBVTG4 available?
The OPA847IDBVTG4 is available in the SOT23-6 package.
- What are some typical applications of the OPA847IDBVTG4?
Typical applications include high dynamic range ADC preamplifiers, low noise wideband transimpedance amplifiers, wideband high gain amplifiers, low noise differential receivers, and ultrasound channel amplifiers.
- How stable is the OPA847IDBVTG4 for different gain settings?
The OPA847IDBVTG4 is stable for gains ≥ 12.
- What is the maximum operating voltage for the OPA847IDBVTG4?
The maximum operating voltage is ±6V.
