Overview
The OPA734AIDBVR, manufactured by Texas Instruments, is a high-precision, low-offset, CMOS operational amplifier designed for applications requiring minimal drift and high accuracy. This model is part of the zero-drift series, which ensures ultra-low offset voltage and near-zero drift over time and temperature. It is ideal for precision instrumentation, sensor signal conditioning, and other applications where accuracy and stability are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | Chopper (Zero-Drift) | - | - |
| Circuit Count | 1 | - | - |
| Output Type | Rail-to-Rail | - | - |
| Slew Rate | 1.5 | V/µs | - |
| Gain Bandwidth Product | 1.6 | MHz | - |
| Input Bias Current | 100 | pA | - |
| Input Offset Voltage | 1 | µV | - |
| Supply Current | 600 | µA | - |
| Output Current | 20 | mA | - |
| Supply Voltage (Single/Dual) | 2.7 ~ 12 / ±1.35 ~ 6 | V | - |
| Operating Temperature | -40 ~ 85 | °C | - |
| Package | SOT-23-6 | - | - |
Key Features
- Ultra-low offset voltage (1 µV) for high precision.
- Zero-drift architecture ensures minimal drift over time and temperature.
- Rail-to-rail output for maximum dynamic range.
- Low quiescent current (600 µA) for power-sensitive applications.
- Compact SOT-23-6 package for space-constrained designs.
Applications
The OPA734AIDBVR is widely used in precision applications such as sensor signal conditioning, medical instrumentation, and industrial control systems. Its zero-drift architecture makes it particularly suitable for applications requiring long-term stability and accuracy, such as strain gauge amplifiers, thermocouple amplifiers, and bridge sensors.
Q & A
1. What is the input offset voltage of the OPA734AIDBVR?
The input offset voltage is 1 µV.
2. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
3. Does it support rail-to-rail output?
Yes, it supports rail-to-rail output.
4. What is the supply voltage range?
The supply voltage range is 2.7 V to 12 V for single supply and ±1.35 V to ±6 V for dual supply.
5. What is the gain bandwidth product?
The gain bandwidth product is 1.6 MHz.
6. What is the package type?
The package type is SOT-23-6.
7. Is it suitable for low-power applications?
Yes, it has a low quiescent current of 600 µA, making it suitable for low-power applications.
8. What is the input bias current?
The input bias current is 100 pA.
9. Can it be used in precision instrumentation?
Yes, its zero-drift architecture and ultra-low offset voltage make it ideal for precision instrumentation.
10. What is the output current capability?
The output current capability is 20 mA.
