Overview
The OPA364IDBVR from Texas Instruments is a high-performance, CMOS operational amplifier designed for very low voltage, single-supply operation. This amplifier is part of the OPA364 family, which offers excellent common-mode rejection ratio (CMRR) and rail-to-rail input/output (I/O) capabilities. It is optimized for applications requiring low power consumption and high accuracy in signal conditioning and data acquisition.
The OPA364IDBVR operates on single supplies from 1.8 V to 5.5 V, making it suitable for battery-powered systems and other low-voltage applications. Its unique input topology eliminates the input offset transition region typical of most rail-to-rail, complementary stage operational amplifiers, ensuring superior common-mode performance over the entire common-mode input range.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 1.8 | - | 5.5 | V |
| Input Offset Voltage (VOS) | - | - | 500 µV (OPA364I) | µV |
| Common-Mode Rejection Ratio (CMRR) | 74 | 90 | - | dB |
| Gain-Bandwidth Product (GBW) | - | 7 | - | MHz |
| Slew Rate (SR) | - | 5 | - | V/µs |
| Quiescent Current (IQ) | 650 | 750 | 1.4 mA (VS = 5.5 V) | µA/mA |
| Input Bias Current (IB) | ±1 | ±10 | - | pA |
| Input Voltage Noise Density (en) | - | 17 | - | nV/√Hz |
| Settling Time (tS) 0.1% CL = 100 pF | - | 1.5 | - | µs |
Key Features
- 1.8-V to 5.5-V single-supply operation
- High CMRR: 90 dB typical
- Rail-to-rail input and output
- Gain-bandwidth product: 7 MHz
- Slew rate: 5 V/µs
- Low offset voltage: 500 µV maximum
- Low quiescent current: 750 µA/channel maximum
- Shutdown mode: less than 1 µA/channel
- Miniature, low-cost packages
Applications
- Signal conditioning
- Data acquisition
- Process control
- Active filters
- Test equipment
- Sensor amplification in battery-powered systems
Q & A
- What is the operating voltage range of the OPA364IDBVR?
The OPA364IDBVR operates on single supplies from 1.8 V to 5.5 V.
- What is the typical CMRR of the OPA364IDBVR?
The typical CMRR is 90 dB.
- What is the gain-bandwidth product of the OPA364IDBVR?
The gain-bandwidth product is 7 MHz.
- What is the slew rate of the OPA364IDBVR?
The slew rate is 5 V/µs.
- What is the maximum input offset voltage of the OPA364IDBVR?
The maximum input offset voltage is 500 µV.
- What is the quiescent current per channel of the OPA364IDBVR?
The quiescent current per channel is 750 µA maximum.
- Does the OPA364IDBVR have a shutdown mode?
Yes, the OPA364IDBVR has a shutdown mode with less than 1 µA/channel.
- What are some common applications of the OPA364IDBVR?
Common applications include signal conditioning, data acquisition, process control, active filters, and test equipment.
- What is the input bias current of the OPA364IDBVR?
The input bias current is ±1 pA to ±10 pA.
- What is the settling time of the OPA364IDBVR for a 0.1% step?
The settling time for a 0.1% step is 1.5 µs.
