Overview
The OPA990IDBVR, part of the OPAx990 family from Texas Instruments, is a high-voltage, general-purpose operational amplifier. This device is known for its excellent DC precision and AC performance, making it highly suitable for various high-voltage industrial applications. The OPA990IDBVR offers rail-to-rail input and output, low offset voltage, and low offset drift, ensuring high accuracy and reliability. It is available in a compact 5-pin SOT-23 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | ±1.35 V to ±20 V, 2.7 V to 40 V | V |
| Offset Voltage | ±300 µV | µV |
| Offset Voltage Drift | ±0.6 µV/°C | µV/°C |
| Noise | 30 nV/√Hz at 1 kHz | nV/√Hz |
| Common-Mode Rejection Ratio | 115 dB | dB |
| Bias Current | ±10 pA | pA |
| Bandwidth (GBW) | 1.1 MHz | MHz |
| Slew Rate | 4.5 V/µs | V/µs |
| Quiescent Current | 120 µA per amplifier | µA |
| Operating Temperature Range | –40°C to 125°C | °C |
Key Features
- Rail-to-rail input and output
- Low offset voltage (±300 µV) and low offset drift (±0.6 µV/°C)
- High common-mode rejection ratio (115 dB)
- Low bias current (±10 pA)
- Wide bandwidth (1.1 MHz) and high slew rate (4.5 V/µs)
- Low quiescent current (120 µA per amplifier)
- Robust EMIRR performance (78 dB at 1.8 GHz)
- Differential and common-mode input voltage range to the supply rail
- Shutdown feature with low and high enable/disable times
Applications
- Multiplexed data-acquisition systems
- Test and measurement equipment
- Motor drive: power stage and control modules
- Power delivery: UPS, server, and merchant network power
- ADC driver and reference buffer amplifier
- Programmable logic controllers
- Analog input and output modules
- High-side and low-side current sensing
- High precision comparator applications
Q & A
- What is the maximum supply voltage range for the OPA990IDBVR?
The OPA990IDBVR can operate with a supply voltage range of ±1.35 V to ±20 V, and from 2.7 V to 40 V.
- What is the typical offset voltage of the OPA990IDBVR?
The typical offset voltage is ±300 µV.
- What is the common-mode rejection ratio (CMRR) of the OPA990IDBVR?
The CMRR is 115 dB.
- What is the bandwidth (GBW) of the OPA990IDBVR?
The bandwidth is 1.1 MHz.
- What is the slew rate of the OPA990IDBVR?
The slew rate is 4.5 V/µs.
- Does the OPA990IDBVR have a shutdown feature?
- What are the typical applications of the OPA990IDBVR?
The OPA990IDBVR is used in multiplexed data-acquisition systems, test and measurement equipment, motor drives, power delivery systems, ADC drivers, programmable logic controllers, and high precision comparator applications.
- What is the operating temperature range of the OPA990IDBVR?
The operating temperature range is –40°C to 125°C.
- What package types are available for the OPA990IDBVR?
The OPA990IDBVR is available in a 5-pin SOT-23 package.
- What is the quiescent current of the OPA990IDBVR?
The quiescent current is 120 µA per amplifier.
