Overview
The OPA625IDBVR from Texas Instruments is a high-bandwidth, high-precision operational amplifier designed for driving SAR (Successive Approximation Register) analog-to-digital converters (ADCs). This device is part of the OPAx625 family, known for its low noise, low distortion, and power-scalable features. It is available in a 6-pin SOT-23 package and operates over a wide temperature range from -40°C to +125°C. The OPA625IDBVR is ideal for applications requiring high precision and low power consumption, making it suitable for various industrial and measurement applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Gain Bandwidth Product (GBW) | 120 MHz | - | - | MHz |
| Input Bias Current | 2 µA | - | 4 µA | µA |
| Input Offset Voltage (VOS) | 0.1 mV | - | 0.3 mV | mV |
| Input Offset Voltage Drift | 0.5 µV/°C | - | 3.1 µV/°C | µV/°C |
| Common-Mode Rejection Ratio (CMRR) | 115 dB | 100 dB | - | dB |
| Slew Rate | 115 V/µs | - | - | V/µs |
| Output Current | 100 mA | - | - | mA |
| Quiescent Current per Channel | 2 mA | - | 2.2 mA | mA |
| Operating Temperature Range | -40°C to +125°C | -40°C | +125°C | °C |
| Total Supply Voltage | 2.7 V to 5.5 V | 2.7 V | 5.5 V | V |
Key Features
- High Bandwidth and Precision: The OPA625IDBVR offers a high gain bandwidth product of 120 MHz, making it suitable for high-frequency applications.
- Low Noise and Distortion: It features low noise (3.2 nV/√Hz at 1 kHz) and low distortion (HD2 and HD3 of -122 dBc and -140 dBc at 100 kHz), ensuring high signal integrity.
- Power-Scalable: The device can transition quickly from low-power mode to high-drive mode within 170 ns, allowing for efficient power management.
- Rail-to-Rail Output: The output voltage swing extends to the supply rails, maximizing the dynamic range of the output signal.
- Wide Temperature Range: Fully specified for operation from -40°C to +125°C, making it suitable for a variety of environmental conditions.
- Low Quiescent Current: Typical quiescent current of 2 mA per channel, which is beneficial for power-sensitive applications.
Applications
- Precision SAR ADC Drivers: Ideal for driving 16-bit and 18-bit SAR ADCs with high precision and low noise.
- Precision Voltage Reference Buffers: Used to buffer precision voltage references with minimal noise and distortion.
- Programmable Logic Controllers (PLCs): Suitable for use in PLCs where high precision and reliability are required.
- Test and Measurement Equipment: Used in various test and measurement instruments due to its high precision and low noise characteristics.
- Power-Sensitive Data Acquisition Systems: Ideal for systems where low power consumption is critical without compromising on performance.
Q & A
- What is the typical gain bandwidth product of the OPA625IDBVR?
The typical gain bandwidth product of the OPA625IDBVR is 120 MHz.
- What is the input bias current of the OPA625IDBVR?
The typical input bias current is 2 µA, with a maximum of 4 µA.
- What is the input offset voltage of the OPA625IDBVR?
The typical input offset voltage is 0.1 mV, with a maximum of 0.3 mV.
- How quickly can the OPA625IDBVR transition from low-power mode to high-drive mode?
The device can transition from low-power mode to high-drive mode within 170 ns.
- What is the operating temperature range of the OPA625IDBVR?
The operating temperature range is from -40°C to +125°C.
- What is the typical slew rate of the OPA625IDBVR?
The typical slew rate is 115 V/µs.
- What is the maximum output current of the OPA625IDBVR?
The maximum output current is 100 mA.
- Is the OPA625IDBVR RoHS compliant?
Yes, the OPA625IDBVR is RoHS compliant.
- What are some common applications of the OPA625IDBVR?
Common applications include precision SAR ADC drivers, precision voltage reference buffers, programmable logic controllers, test and measurement equipment, and power-sensitive data acquisition systems.
- What package type is the OPA625IDBVR available in?
The OPA625IDBVR is available in a 6-pin SOT-23 package.
