Overview
The OPA2375IDDFR is a dual-channel, general-purpose operational amplifier (op amp) from Texas Instruments. It is part of the OPAx375 family, which includes single, dual, and quad-channel configurations. This device is known for its low noise, low offset voltage, and wide bandwidth, making it suitable for a variety of precision applications. The OPA2375IDDFR operates over a wide supply range from 1.7 V to 5.5 V and is specified over a temperature range of –40°C to 125°C. Its robust design includes features such as unity-gain stability, integrated RFI/EMI rejection filters, and high electrostatic discharge (ESD) protection.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±0.15 mV | ±0.5 mV | ±0.7 mV | mV |
| Input Offset Voltage Drift (dVOS/dT) | ±0.16 µV/°C | - | - | µV/°C |
| Input Voltage Noise Density (eN) | 3.5 nV/√Hz | - | - | nV/√Hz |
| Gain-Bandwidth Product (GBW) | 10 MHz | - | - | MHz |
| Slew Rate (SR) | 4.6 V/μs | - | - | V/μs |
| Quiescent Current per Amplifier (IQ) | 990 µA | 890 µA | 1200 µA | µA |
| Supply Voltage Range | - | 1.7 V to 5.5 V | - | V |
| Common-Mode Rejection Ratio (CMRR) | 100 dB | 87 dB | 110 dB | dB |
| Total Harmonic Distortion + Noise (THD+N) | 0.00015% | - | - | % |
Key Features
- Low broadband noise: 3.5 nV/√Hz
- Low offset voltage: 500 µV (maximum)
- Low THD+N: 0.00015%
- Gain bandwidth: 10 MHz
- Rail-to-rail output
- Unity-gain stable
- Low quiescent current: 990 µA/ch
- Wide supply range: 1.7 V to 5.5 V
- Low offset voltage drift: ±0.16 µV/°C
- Integrated RFI/EMI rejection filter
- No phase reversal in overdrive conditions
- High electrostatic discharge (ESD) protection: 2-kV HBM
Applications
- Photodiode amplifiers
- Precision sensor front-ends
- ADC input-driver amplifiers
- Test and measurement equipment
- Sensor field transmitters
- Wearable consumer applications
- Audio equipment
- Medical instrumentation
- Active filters
Q & A
- What is the typical input offset voltage of the OPA2375?
The typical input offset voltage of the OPA2375 is ±0.15 mV.
- What is the gain-bandwidth product of the OPA2375?
The gain-bandwidth product of the OPA2375 is 10 MHz.
- What is the slew rate of the OPA2375?
The slew rate of the OPA2375 is 4.6 V/μs.
- What is the quiescent current per amplifier for the OPA2375?
The quiescent current per amplifier for the OPA2375 is typically 990 µA.
- What is the supply voltage range for the OPA2375?
The supply voltage range for the OPA2375 is from 1.7 V to 5.5 V.
- What are the common applications of the OPA2375?
The OPA2375 is commonly used in photodiode amplifiers, precision sensor front-ends, ADC input-driver amplifiers, test and measurement equipment, and more.
- Does the OPA2375 have integrated RFI/EMI rejection filters?
- What is the ESD protection level of the OPA2375?
The OPA2375 has high electrostatic discharge (ESD) protection of 2-kV HBM.
- Is the OPA2375 unity-gain stable?
- What is the typical input voltage noise density of the OPA2375?
The typical input voltage noise density of the OPA2375 is 3.5 nV/√Hz.
