Overview
The OPA192IDGKR, produced by Texas Instruments, is a high-performance operational amplifier belonging to the OPAx192 family. This device is characterized by its 36-V rail-to-rail input and output capabilities, making it ideal for high-voltage industrial applications. The OPA192IDGKR offers outstanding DC precision and AC performance, including low offset voltage, low offset drift, and a wide bandwidth of 10 MHz. It is designed to provide stable operation over a wide temperature range of –40°C to +125°C, making it suitable for various industrial and measurement applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage | ±5 µV | µV |
| Input Offset Voltage Drift | ±0.2 µV/°C | µV/°C |
| Noise | 5.5 nV/√Hz at 1 kHz | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 140 dB | dB |
| Input Bias Current | ±5 pA | pA |
| Bandwidth (GBW) | 10 MHz | MHz |
| Slew Rate | 20 V/µs | V/µs |
| Quiescent Current per Amplifier | 1 mA | mA |
| Supply Voltage Range | ±2.25 V to ±18 V, +4.5 V to +36 V | V |
| Output Current | ±65 mA | mA |
| Capacitive Load Drive Capability | Up to 1 nF | nF |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | VSSOP-8 (DGK) |
Key Features
- Rail-to-Rail Input and Output: Allows for maximum input dynamic range and full output swing.
- Low Offset Voltage and Drift: ±5 µV and ±0.2 µV/°C, respectively, ensuring high precision over temperature.
- Low Noise: 5.5 nV/√Hz at 1 kHz for accurate signal processing.
- High Common-Mode Rejection Ratio (CMRR): 140 dB for robust performance in noisy environments.
- High Slew Rate and Bandwidth: 20 V/µs and 10 MHz, respectively, for fast and accurate signal handling.
- High Output Current and Capacitive Load Drive: ±65 mA and up to 1 nF, respectively, for driving heavy loads.
- EMI/RFI Filtered Inputs: Enhances immunity to electromagnetic interference.
- Differential Input Voltage Range to Supply Rail: Maximizes input range and flexibility.
- Industry Standard Packages: Available in SOIC-8, SOT-23-5, and VSSOP-8 packages.
Applications
- Multiplexed Data-Acquisition Systems: Ideal for high-precision data acquisition in industrial and test environments.
- Test and Measurement Equipment: Suitable for precision measurement and signal conditioning.
- High-Resolution ADC Driver Amplifiers: Drives analog-to-digital converters (ADCs) in high-voltage applications.
- SAR ADC Reference Buffers: Provides stable reference voltages for successive approximation register (SAR) ADCs.
- Programmable Logic Controllers (PLCs): Used in industrial automation and control systems.
- High-Side and Low-Side Current Sensing: For precise current measurement in various industrial applications.
- High Precision Comparator: Can be used as a high-precision comparator in various circuits.
Q & A
- What is the typical input offset voltage of the OPA192IDGKR?
The typical input offset voltage is ±5 µV.
- What is the input offset voltage drift of the OPA192IDGKR?
The input offset voltage drift is ±0.2 µV/°C.
- What is the bandwidth of the OPA192IDGKR?
The bandwidth is 10 MHz.
- What is the slew rate of the OPA192IDGKR?
The slew rate is 20 V/µs.
- What is the maximum output current of the OPA192IDGKR?
The maximum output current is ±65 mA.
- What is the capacitive load drive capability of the OPA192IDGKR?
The capacitive load drive capability is up to 1 nF.
- What is the operating temperature range of the OPA192IDGKR?
The operating temperature range is –40°C to +125°C.
- In what packages is the OPA192IDGKR available?
The OPA192IDGKR is available in SOIC-8, SOT-23-5, and VSSOP-8 packages.
- What are some common applications of the OPA192IDGKR?
Common applications include multiplexed data-acquisition systems, test and measurement equipment, high-resolution ADC driver amplifiers, SAR ADC reference buffers, and programmable logic controllers.
- How does the OPA192IDGKR handle electromagnetic interference?
The OPA192IDGKR features EMI/RFI filtered inputs to enhance immunity to electromagnetic interference.
