Overview
The OPA2863IDGKR, produced by Texas Instruments, is a dual, low-power, 110-MHz, rail-to-rail input and output (RRIO) voltage-feedback operational amplifier. This device is designed for a wide range of applications, particularly in environments requiring low power consumption and high performance. The OPA2863IDGKR is AEC-Q100 qualified, making it suitable for automotive applications with a temperature range of –40°C to +125°C. It operates over a power-supply range of 2.7 V to 12.6 V and consumes only 700 µA per channel, making it an excellent choice for power-conscious, battery-operated systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Total Supply Voltage | 2.7 | - | 12.6 | V |
| Ambient Temperature | –40 | - | 125 | °C |
| Quiescent Current per Amplifier | 700 | 970 | 1280 | µA |
| Gain-Bandwidth Product | - | 50 | - | MHz |
| Slew Rate | - | 105 | - | V/µs |
| Voltage Noise Density | - | 5.9 | - | nV/√Hz |
| Input-Referred Offset Voltage | -1.5 | - | 1.5 | mV |
| Input Bias Current | 0.2 | 0.6 | 1.3 | µA |
| Common-Mode Rejection Ratio | 100 | 120 | - | dB |
| Power Supply Rejection Ratio | 100 | 120 | - | dB |
| Output Voltage, Low | VS–+0.14 | - | VS–+0.22 | V |
| Output Voltage, High | VS+–0.2 | - | VS+–0.15 | V |
| Short-Circuit Current | - | 25 | 45 | mA |
Key Features
- Rail-to-Rail Input and Output: The OPA2863IDGKR features rail-to-rail input and output stages, making it suitable for applications requiring wide input and output voltage ranges.
- Low Power Consumption: With a quiescent current of 700 µA per channel, this amplifier is ideal for battery-operated systems and power-conscious designs.
- High Gain-Bandwidth Product: The device offers a gain-bandwidth product of 50 MHz and a slew rate of 105 V/µs, ensuring high performance in various applications.
- AEC-Q100 Qualified: This amplifier is qualified for automotive applications, operating over a temperature range of –40°C to +125°C.
- Short-Circuit Protection: The output stage is short-circuit protected, enhancing the device's robustness in rugged environments.
- Overload Power Limiting: The device includes overload power limiting to prevent excessive power dissipation when the outputs are saturated.
Applications
- Automotive Systems: AEC-Q100 qualification makes the OPA2863IDGKR suitable for various automotive applications, including sensor interfaces and control systems.
- Current Sensing: The rail-to-rail input stage and low noise characteristics make it an excellent choice for current sensing applications.
- Photodiode Interfaces: The device is well-suited for photodiode interfaces due to its wide input dynamic range and low noise.
- General-Purpose Amplification: Its high performance and low power consumption make it a versatile choice for general-purpose amplification needs in various industries.
Q & A
- What is the operating temperature range of the OPA2863IDGKR?
The OPA2863IDGKR operates over a temperature range of –40°C to +125°C.
- What is the quiescent current per channel of the OPA2863IDGKR?
The quiescent current per channel is 700 µA.
- What is the gain-bandwidth product of the OPA2863IDGKR?
The gain-bandwidth product is 50 MHz.
- Is the OPA2863IDGKR AEC-Q100 qualified?
Yes, the OPA2863IDGKR is AEC-Q100 qualified for automotive applications.
- What is the slew rate of the OPA2863IDGKR?
The slew rate is 105 V/µs.
- What is the voltage noise density of the OPA2863IDGKR?
The voltage noise density is 5.9 nV/√Hz.
- Does the OPA2863IDGKR have short-circuit protection?
Yes, the output stage is short-circuit protected.
- What is the common-mode rejection ratio (CMRR) of the OPA2863IDGKR?
The CMRR is 100 dB to 120 dB.
- What is the power supply rejection ratio (PSRR) of the OPA2863IDGKR?
The PSRR is 100 dB to 120 dB.
- What are some typical applications of the OPA2863IDGKR?
Typical applications include automotive systems, current sensing, photodiode interfaces, and general-purpose amplification.
