Overview
The OPA2725AIDR is a dual operational amplifier from Texas Instruments, part of the OPA725 and OPA726 series. These op amps are designed using a state-of-the-art 12V analog CMOS process, combining outstanding AC performance with low bias current and excellent common-mode rejection ratio (CMRR), power supply rejection ratio (PSRR), and open-loop gain (AOL). The OPA2725AIDR is particularly suited for applications requiring high accuracy, low noise, and fast settling times, making it ideal for communication, high-end audio, active filters, and other precision analog circuits.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain-Bandwidth Product (GBW) | 20 | MHz | ||
| Slew Rate (SR) | 30 | V/µs | ||
| Input Offset Voltage (VOS) | 1.5 | 3 | mV | |
| Input Bias Current (IB) | 30 | 200 | pA | |
| Input Voltage Noise Density at 100kHz | 6 | nV/√Hz | ||
| Common-Mode Rejection Ratio (CMRR) | 84 | 94 | dB | |
| Power Supply Rejection Ratio (PSRR) | 30 | 100 | µV/V | |
| Open-Loop Gain (AOL) | 100 | 120 | dB | |
| Supply Voltage Range | 4 | 12 | V | |
| Quiescent Current (IQ) per Amplifier | 4.3 | 5.5 | 6 | mA |
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- High gain-bandwidth product of 20MHz and slew rate of 30V/µs
- Fast 16-bit settling time, making it suitable for driving 16-bit Analog-to-Digital Converters (ADCs)
- Low noise: 6nV/√Hz at 100kHz
- Excellent CMRR, PSRR, and AOL
- Rail-to-rail output with output swing to within 150mV of the rails
- Low input bias current of less than 200pA
- Shutdown mode available in OPAx726 versions, reducing quiescent current to less than 6µA
- Available in various packages including MSOP-8, MSOP-10, and SO-8
Applications
- Optical networking and transimpedance amplifiers
- Integrators and active filters
- A/D converter buffers and I/V converters for DACs
- Portable audio and high-end audio applications
- Process control and test equipment
Q & A
- What is the gain-bandwidth product of the OPA2725AIDR?
The gain-bandwidth product (GBW) of the OPA2725AIDR is 20MHz.
- What is the slew rate of the OPA2725AIDR?
The slew rate of the OPA2725AIDR is 30V/µs.
- What is the typical input voltage noise density at 100kHz for the OPA2725AIDR?
The typical input voltage noise density at 100kHz is 6nV/√Hz.
- What is the common-mode rejection ratio (CMRR) of the OPA2725AIDR?
The CMRR of the OPA2725AIDR is typically 94dB.
- What is the supply voltage range for the OPA2725AIDR?
The supply voltage range for the OPA2725AIDR is from 4V to 12V.
- What is the quiescent current per amplifier for the OPA2725AIDR?
The quiescent current per amplifier is typically 5.5mA.
- Does the OPA2725AIDR have a shutdown mode?
No, the OPA2725AIDR does not have a shutdown mode. However, the OPA2726 versions do have a shutdown mode.
- What are the available packages for the OPA2725AIDR?
The OPA2725AIDR is available in MSOP-8 and SO-8 packages.
- What are some typical applications of the OPA2725AIDR?
Typical applications include optical networking, transimpedance amplifiers, integrators, active filters, A/D converter buffers, and high-end audio.
- What is the operating temperature range for the OPA2725AIDR?
The operating temperature range for the OPA2725AIDR is from -40°C to 125°C.
