Overview
The OPA2727AIDR is a dual, high-precision CMOS operational amplifier produced by Texas Instruments. This device is part of the OPAx727 and OPAx728 series, known for their outstanding DC and AC performance. The OPA2727AIDR utilizes a state-of-the-art 12V analog CMOS process and features Texas Instruments' e-trim technology, which involves package-level trimming to achieve extremely low offset voltage and drift. This makes the device highly suitable for applications requiring high precision and stability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 15 | - | 150 | µV |
| Offset Voltage Drift (dVOS/dT) | 0.3 | - | 1.5 | µV/°C |
| Gain-Bandwidth Product (GBW) | - | 20 | - | MHz |
| Slew Rate (SR) | - | 30 | - | V/µs |
| Input Bias Current | - | - | 500 | pA |
| Noise (at 100kHz) | - | 6 | - | nV/√Hz |
| Total Harmonic Distortion + Noise (THD+N) at 1kHz | - | 0.0003% | - | % |
| Supply Voltage Range | 4 | - | 12 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- High precision with low input offset voltage (15µV typ, 150µV max) and low drift (0.3µV/°C typ, 1.5µV/°C max)
- High gain-bandwidth product (20MHz) and slew rate (30V/µs)
- Low noise (6nV/√Hz at 100kHz) and total harmonic distortion + noise (0.0003% at 1kHz)
- Excellent common-mode rejection ratio (CMRR) and open-loop gain
- Supply voltage range from 4V to 12V
- Available in DFN-8 and SO-8 packages
- Operating temperature range from -40°C to +125°C
Applications
The OPA2727AIDR is well-suited for various high-performance applications, including:
- Communication systems
- High-end audio equipment
- Active filters
- Optical networking
- Transimpedance amplifiers (I/V conversion)
- Driving fast ADCs, such as the ADS8342 16-bit ADC
Q & A
- What is the typical input offset voltage of the OPA2727AIDR?
The typical input offset voltage is 15µV, with a maximum of 150µV. - What is the gain-bandwidth product (GBW) of the OPA2727AIDR?
The gain-bandwidth product is 20MHz. - What is the slew rate of the OPA2727AIDR?
The slew rate is 30V/µs. - What is the noise level at 100kHz for the OPA2727AIDR?
The noise level at 100kHz is 6nV/√Hz. - What is the total harmonic distortion + noise (THD+N) at 1kHz for the OPA2727AIDR?
The THD+N at 1kHz is 0.0003%. - What is the supply voltage range for the OPA2727AIDR?
The supply voltage range is from 4V to 12V. - What are the operating temperature ranges for the OPA2727AIDR?
The operating temperature range is from -40°C to +125°C. - In what packages is the OPA2727AIDR available?
The OPA2727AIDR is available in DFN-8 and SO-8 packages. - What are some common applications for the OPA2727AIDR?
Common applications include communication systems, high-end audio equipment, active filters, optical networking, transimpedance amplifiers, and driving fast ADCs. - How does the e-trim technology in the OPA2727AIDR improve its performance?
The e-trim technology involves package-level trimming to achieve extremely low offset voltage and drift, compensating for performance shifts that can occur during the manufacturing process.
