Overview
The OPA827AIDR, produced by Texas Instruments, is a low-noise, high-precision JFET-input operational amplifier. This device combines outstanding DC precision with excellent AC performance, making it suitable for a wide range of applications. The OPA827 series offers low offset voltage, very low drift over temperature, low-bias current, and very low noise. It operates over a wide supply voltage range from ±4 V to ±18 V and is available in 8-pin SOIC and 8-pin VSSOP packages. The amplifier is specified from –40°C to 125°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Input Voltage Noise Density at 1 kHz | 4 | - | nV/√Hz |
| Input Voltage Noise (0.1 Hz to 10 Hz) | 250 | - | nVPP |
| Input Bias Current | 3 | 10 | pA |
| Input Offset Voltage | 75 | 150 | µV |
| Input Offset Voltage Drift | 0.1 | 2 | µV/°C |
| Gain Bandwidth Product (GBW) | 22 | - | MHz |
| Slew Rate | 28 | - | V/µs |
| Quiescent Current per Channel | 4.8 | 5.2 | mA |
| Supply Voltage Range | ±4 V to ±18 V | - | - |
| Operating Temperature Range | -40°C to 125°C | - | - |
| Package Types | 8-Pin SOIC, 8-Pin VSSOP | - | - |
Key Features
- Low input voltage noise density: 4 nV/√Hz at 1 kHz
- Low input voltage noise: 250 nVPP from 0.1 Hz to 10 Hz
- Low input bias current: 10 pA (maximum)
- Low input offset voltage: 150 µV (maximum)
- Low input offset voltage drift: 2 µV/°C (maximum)
- High gain bandwidth product: 22 MHz
- High slew rate: 28 V/µs
- Low quiescent current: 4.8 mA per channel (typical)
- Wide supply voltage range: ±4 V to ±18 V
- Available in 8-pin SOIC and 8-pin VSSOP packages
Applications
- ADC Drivers
- DAC Output Buffers
- Test Equipment
- Medical Equipment
- PLL Filters
- Seismic Applications
- Transimpedance Amplifiers
- Integrators
- Active Filters
- 16-bit to 18-bit mixed signal systems
- Precision ±10-V front ends
- Professional audio applications
Q & A
- What is the input voltage noise density of the OPA827AIDR at 1 kHz?
The input voltage noise density is 4 nV/√Hz at 1 kHz.
- What is the typical input bias current of the OPA827AIDR?
The typical input bias current is 3 pA.
- What is the maximum input offset voltage of the OPA827AIDR?
The maximum input offset voltage is 150 µV.
- What is the gain bandwidth product (GBW) of the OPA827AIDR?
The GBW is 22 MHz.
- What is the slew rate of the OPA827AIDR?
The slew rate is 28 V/µs.
- What is the typical quiescent current per channel of the OPA827AIDR?
The typical quiescent current per channel is 4.8 mA.
- What is the operating temperature range of the OPA827AIDR?
The operating temperature range is –40°C to 125°C.
- In what packages is the OPA827AIDR available?
The OPA827AIDR is available in 8-pin SOIC and 8-pin VSSOP packages.
- What are some common applications of the OPA827AIDR?
Common applications include ADC drivers, DAC output buffers, test equipment, medical equipment, PLL filters, seismic applications, transimpedance amplifiers, integrators, active filters, and professional audio applications.
- What is the supply voltage range of the OPA827AIDR?
The supply voltage range is ±4 V to ±18 V.
