Overview
The REF3312AIDCKT is a precision, low-dropout voltage reference IC from Texas Instruments. It is part of the REF33xx family, which is known for its low power consumption and high accuracy. This component is available in microsize packages such as SC70-3, SOT-23-3, and UQFN-8, making it ideal for a wide variety of portable and battery-powered applications. The REF3312AIDCKT operates over a wide temperature range of –40°C to +125°C and is characterized by its low supply current and extremely low dropout voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.25 V | V |
| Initial Accuracy | ±0.15% | % |
| Output Voltage Noise (0.1 Hz to 10 Hz) | 35 μVPP | μVPP |
| Supply Current | 3.9 μA (typ) | μA |
| Dropout Voltage | 110 mV (typ) | mV |
| Output Current | ±5 mA | mA |
| Temperature Drift | 30 ppm/°C (max) | ppm/°C |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | SC70-3, SOT-23-3, UQFN-8 |
Key Features
- Microsize Packages: SC70-3, SOT-23-3, UQFN-8
- Low Supply Current: 3.9 μA (typ)
- Extremely Low Dropout Voltage: 110 mV (typ)
- High Output Current: ±5 mA
- Low Temperature Drift: 30 ppm/°C (max)
- High Initial Accuracy: ±0.15% (max)
- Low Noise: 35 μVPP (0.1 Hz to 10 Hz)
- Voltage Options: 1.2 V, 1.8 V, 2.5 V, 3 V, 3.3 V (though REF3312 is specifically 1.25 V)
Applications
The REF3312AIDCKT is suitable for a wide range of applications, particularly those requiring low power consumption and high precision. These include:
- Portable and battery-powered devices
- Precision measurement instruments
- Medical devices
- Industrial control systems
- Aerospace and defense applications
Q & A
- What is the output voltage of the REF3312AIDCKT?
The output voltage of the REF3312AIDCKT is 1.25 V. - What is the typical supply current of the REF3312AIDCKT?
The typical supply current is 3.9 μA. - What is the dropout voltage of the REF3312AIDCKT?
The dropout voltage is typically 110 mV. - What is the maximum output current of the REF3312AIDCKT?
The maximum output current is ±5 mA. - What is the temperature drift of the REF3312AIDCKT?
The temperature drift is 30 ppm/°C (max). - What are the available package types for the REF3312AIDCKT?
The available package types are SC70-3, SOT-23-3, and UQFN-8. - What is the operating temperature range of the REF3312AIDCKT?
The operating temperature range is –40°C to +125°C. - What is the initial accuracy of the REF3312AIDCKT?
The initial accuracy is ±0.15% (max). - What is the noise level of the REF3312AIDCKT in the 0.1 Hz to 10 Hz range?
The noise level is 35 μVPP. - Is the REF3312AIDCKT suitable for high-precision applications?
Yes, the REF3312AIDCKT is highly suitable for high-precision applications due to its low noise and high initial accuracy.
