Overview
The REF4132B25DBVR is a high-precision, low-power CMOS voltage reference produced by Texas Instruments. This device is characterized by its low temperature drift of 12 ppm/°C, making it suitable for applications requiring high stability and low noise. The REF4132B25DBVR features an initial accuracy of ±0.05% and operates within a wide temperature range of −40°C to +125°C. It is packaged in a compact 5-pin SOT-23 (DBV) package, which is beneficial for space-constrained and battery-powered applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBV), 5 pins |
| Operating Temperature Range | −40°C to +125°C |
| Voltage Options | 2.5V, 3V, 3.3V, 4.096V, 5V |
| Initial Accuracy | ±0.05% (maximum) |
| Temperature Coefficient | A grade: 12 ppm/°C (maximum), B grade: 30 ppm/°C (maximum) |
| Output Current | ±10 mA |
| Quiescent Current | 100 µA (maximum) |
| Output 1/f Noise (0.1 Hz to 10 Hz) | 15 µV p-p/V |
| Long-term Stability | 30 ppm/1000 hrs |
| Supply Voltage Range | 2.55V ~ 5.5V |
Key Features
- Low temperature drift of 12 ppm/°C (A grade) and 30 ppm/°C (B grade)
- High initial accuracy of ±0.05%
- Low operating current of 100 µA (maximum)
- Very low output noise of 15 µV p-p/V (0.1 Hz to 10 Hz)
- Excellent long-term stability of 30 ppm/1000 hrs
- Compact 5-pin SOT-23 (DBV) package
- Pin-to-pin replacement for LM4128 and LM4132
Applications
The REF4132B25DBVR is suitable for various applications requiring high precision and low noise, such as:
- High-resolution data converters in noise-critical systems
- Portable and battery-powered devices due to its low operating current
- Automotive and industrial systems where wide temperature range and high stability are crucial
- Precision measurement and control systems
Q & A
- What is the temperature drift of the REF4132B25DBVR? The temperature drift is 12 ppm/°C for the A grade and 30 ppm/°C for the B grade.
- What is the initial accuracy of the REF4132B25DBVR? The initial accuracy is ±0.05%.
- What is the operating current of the REF4132B25DBVR? The operating current is less than 100 µA.
- What is the output noise of the REF4132B25DBVR? The output noise is 15 µV p-p/V from 0.1 Hz to 10 Hz.
- What is the long-term stability of the REF4132B25DBVR? The long-term stability is 30 ppm/1000 hrs.
- What package type is the REF4132B25DBVR available in? It is available in a 5-pin SOT-23 (DBV) package.
- What are the voltage options for the REF4132B25DBVR? The voltage options are 2.5V, 3V, 3.3V, 4.096V, and 5V.
- What is the operating temperature range of the REF4132B25DBVR? The operating temperature range is −40°C to +125°C.
- Can the REF4132B25DBVR be used in automotive applications? Yes, it is suitable for automotive applications due to its wide temperature range and high stability.
- Is the REF4132B25DBVR RoHS compliant? Yes, it is RoHS compliant.
