Overview
The REF3120AIDBZT is a precision, low power, low dropout series voltage reference from Texas Instruments. It is part of the REF31xx family, which is designed to offer high accuracy and stability in a compact 3-pin SOT-23 package. This component is ideal for portable and battery-powered applications due to its small size and low power consumption of 100 µA typical. The REF3120AIDBZT operates over a wide temperature range of -40°C to +125°C, making it versatile for various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBZ), 3 pins |
| Operating Temperature Range | -40°C to +125°C |
| Output Voltage | 2.048V |
| Output Current | ±10 mA |
| Accuracy | ±0.2% Maximum |
| Supply Current (Iq) | 115 µA Maximum |
| Temperature Coefficient | 15 ppm/°C (0°C to +70°C), 20 ppm/°C (40°C to +125°C) |
| Low Dropout Voltage | 5 mV |
| Noise (0.1Hz to 10Hz) | 27 µVp-p |
| Noise (10Hz to 10kHz) | 39 µVrms |
| Input Voltage Range | 2.098 V to 5.5 V |
| Mounting Type | Surface Mount |
Key Features
- Compact 3-pin SOT-23 package
- Low power consumption: 100 µA typical
- High accuracy: ±0.2% maximum
- Low dropout voltage: 5 mV
- High output current: ±10 mA
- Excellent temperature drift performance: 15 ppm/°C (0°C to +70°C), 20 ppm/°C (40°C to +125°C)
- No load capacitor required, stable with any capacitive load
- Operates on supplies down to 5 mV above the output voltage
Applications
The REF3120AIDBZT is suitable for a variety of applications, including:
- Portable and battery-powered devices due to its low power consumption and small size.
- Industrial control systems requiring precise voltage references.
- Medical devices where high accuracy and stability are crucial.
- Aerospace and automotive systems that need reliable voltage references over a wide temperature range.
- General-purpose voltage reference applications in electronic circuits.
Q & A
- What is the output voltage of the REF3120AIDBZT?
The output voltage of the REF3120AIDBZT is 2.048V.
- What is the typical supply current of the REF3120AIDBZT?
The typical supply current is 100 µA.
- What is the maximum output current of the REF3120AIDBZT?
The maximum output current is ±10 mA.
- What is the temperature coefficient of the REF3120AIDBZT?
The temperature coefficient is 15 ppm/°C from 0°C to +70°C and 20 ppm/°C from 40°C to +125°C.
- Does the REF3120AIDBZT require a load capacitor?
No, the REF3120AIDBZT does not require a load capacitor but is stable with any capacitive load.
- What is the operating temperature range of the REF3120AIDBZT?
The operating temperature range is -40°C to +125°C.
- What is the low dropout voltage of the REF3120AIDBZT?
The low dropout voltage is 5 mV.
- What is the noise performance of the REF3120AIDBZT?
The noise performance is 27 µVp-p from 0.1Hz to 10Hz and 39 µVrms from 10Hz to 10kHz.
- What is the input voltage range for the REF3120AIDBZT?
The input voltage range is from 2.098 V to 5.5 V.
- What type of mounting does the REF3120AIDBZT use?
The REF3120AIDBZT uses surface mount technology.
