Overview
The OPA2251UA/2K5 is a dual-channel, low-offset voltage operational amplifier manufactured by Texas Instruments. Designed for single-supply or dual-supply operation, this IC is optimized for precision applications requiring high performance in a compact form factor. Its rail-to-rail input and output capabilities make it suitable for a wide range of industrial, automotive, and consumer electronics applications. With a focus on low power consumption and high accuracy, the OPA2251UA/2K5 is an ideal choice for engineers seeking reliable amplification solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | OPA2251UA/2K5 | - | - |
| Product Category | Operational Amplifiers | - | - |
| Supply Voltage (Max) | 36 | V | Single or Dual Supply |
| Supply Voltage (Min) | 2.7 | V | Single or Dual Supply |
| Channels | 2 | - | Dual Channel |
| Gain Bandwidth Product | 35 | kHz | - |
| Slew Rate | 0.01 | V/µs | - |
| Input Bias Current | 20 | nA | - |
| Input Offset Voltage | 0.25 | mV | - |
| Operating Temperature | -40 to +85 | °C | - |
| Package | SOIC-8 | - | - |
| Input Type | Rail-to-Rail | - | - |
| Output Type | Rail-to-Rail | - | - |
| Power Supply Type | Single, Dual | - | - |
| Dimensions | 4.9 x 3.91 x 1.58 | mm | L x W x H |
| Factory Pack Quantity | 2500 | - | - |
Key Features
- Low offset voltage for precision applications.
- Rail-to-rail input and output for maximum dynamic range.
- Low power consumption with a supply current of 27 µA.
- Wide supply voltage range (2.7 V to 36 V) for flexibility in design.
- High common-mode rejection ratio (CMRR) of up to 124 dB.
- Compact SOIC-8 package for space-constrained applications.
Applications
The OPA2251UA/2K5 is widely used in precision amplification circuits across various industries. In industrial automation, it is employed in sensor signal conditioning and control systems. In automotive electronics, it enhances the accuracy of sensor interfaces and battery management systems. Consumer electronics, such as portable devices and audio equipment, benefit from its low power consumption and rail-to-rail capabilities. Additionally, it is suitable for medical devices where precision and reliability are critical.
Q & A
1. What is the operating voltage range of the OPA2251UA/2K5?
The operating voltage range is 2.7 V to 36 V for single supply and ±1.35 V to ±18 V for dual supply.
2. Does the OPA2251UA/2K5 support rail-to-rail operation?
Yes, it supports rail-to-rail input and output operation.
3. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 35 kHz.
4. Is the OPA2251UA/2K5 suitable for low-power applications?
Yes, it has a low supply current of 27 µA, making it ideal for low-power designs.
5. What is the input offset voltage of this amplifier?
The input offset voltage is 0.25 mV.
6. Can the OPA2251UA/2K5 operate in extreme temperatures?
Yes, it operates in a temperature range of -40°C to +85°C.
7. What is the package type of the OPA2251UA/2K5?
It is available in an SOIC-8 package.
8. Does this amplifier have a shutdown feature?
No, the OPA2251UA/2K5 does not include a shutdown feature.
9. What is the common-mode rejection ratio (CMRR) of this amplifier?
The CMRR ranges from 100 dB to 124 dB.
10. Where can I find the datasheet for the OPA2251UA/2K5?
The datasheet can be downloaded from Texas Instruments' official website or authorized distributors.
