Overview
The REF3325AIDBZRG4, produced by Texas Instruments, is a part of the REF33xx family of low-power, precision, low-dropout voltage references. These devices are designed for applications requiring high accuracy and stability over a wide temperature range. Available in microsize packages such as SC70-3, SOT-23-3, and UQFN-8, the REF3325AIDBZRG4 is ideal for portable and battery-powered equipment due to its low power consumption and small footprint.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 2.475 | 2.5 | 2.525 | V |
| Initial Accuracy | -0.15% | 0.15% | % | |
| Temperature Drift | 30 | ppm/°C | ||
| Supply Current (IQ) | 3.9 | 5 | μA | |
| Dropout Voltage | 110 | mV | ||
| Output Noise (0.1 Hz to 10 Hz) | 70 | μVPP | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Maximum Input Voltage | 5.5 | V | ||
| Output Current | ±5 | mA |
Key Features
- Microsize Packages: SC70-3, SOT-23-3, and UQFN-8
- Low Supply Current: 3.9 μA (typical)
- Extremely Low Dropout Voltage: 110 mV (typical)
- High Output Current: ±5 mA
- Low Temperature Drift: 30 ppm/°C (maximum)
- High Initial Accuracy: ±0.15% (maximum)
- Low Output Noise: 70 μVPP (0.1 Hz to 10 Hz)
- Wide Operating Temperature Range: -40°C to +125°C
- Advanced Start-Up Circuit with Fast Settling Time
Applications
- Portable Equipment
- Tablets and Smartphones
- Hard Disk Drives
- Sensor Modules
- Data Acquisition Systems
- Medical Equipment
- Test Equipment
Q & A
- What is the typical supply current of the REF3325AIDBZRG4?
The typical supply current is 3.9 μA.
- What are the available output voltage options for the REF33xx family?
The REF33xx family offers output voltages of 1.2 V, 1.8 V, 2.048 V, 2.5 V, 3 V, and 3.3 V.
- What is the maximum output current of the REF3325AIDBZRG4?
The maximum output current is ±5 mA.
- What is the temperature drift of the REF3325AIDBZRG4?
The temperature drift is 30 ppm/°C (maximum).
- What is the recommended capacitive load range for the output of the REF3325AIDBZRG4?
The recommended capacitive load range is between 0.1 μF to 10 μF.
- What is the maximum input voltage for the REF3325AIDBZRG4?
The maximum input voltage is 5.5 V.
- What are the typical applications of the REF3325AIDBZRG4?
Typical applications include portable equipment, tablets and smartphones, hard disk drives, sensor modules, data acquisition systems, medical equipment, and test equipment.
- How does the start-up time of the REF3325AIDBZRG4 behave with different capacitive loads?
The start-up time is almost independent of the load, with the output voltage settling within 2 ms for capacitive loads between 0.1 μF to 10 μF.
- What is the operating temperature range of the REF3325AIDBZRG4?
The operating temperature range is -40°C to +125°C.
- What is the dropout voltage of the REF3325AIDBZRG4?
The dropout voltage is 110 mV (typical).
