Overview
The REF2925AIDBZRG4 is a precision, low-power, low-voltage dropout voltage reference IC produced by Texas Instruments. It is part of the REF29xx family, which is available in a compact 3-pin SOT-23 package. This device is designed for applications requiring high accuracy and stability over a wide temperature range. The REF2925AIDBZRG4 operates with a low quiescent current of 50 µA and features a low dropout voltage, making it ideal for portable and battery-powered equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Temperature Coefficient | 100 | ppm/°C |
| Quiescent Current | 50 | µA |
| Dropout Voltage | 1 mV above output voltage (unloaded) | V |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23-3 | |
| ESD Rating (HBM) | ±4000 | V |
| ESD Rating (CDM) | ±1500 | V |
Key Features
- Precision voltage reference with low temperature drift (100 ppm/°C)
- Low quiescent current (50 µA) for power-efficient operation
- Low dropout voltage, allowing operation with supplies just 1 mV above the output voltage in unloaded conditions
- No load capacitor required, but stable with any capacitive load
- Wide operating temperature range (-40°C to 125°C)
- Low noise performance (less than 50 µV PP between 0.1 Hz to 10 Hz)
- High long-term stability and minimal drift error
Applications
- Portable and battery-powered equipment
- Data acquisition systems
- Medical equipment
- Hand-held test equipment
- Low-power analog circuitry and single-supply ADCs
Q & A
- What is the output voltage of the REF2925AIDBZRG4?
The output voltage of the REF2925AIDBZRG4 is 2.5 V.
- What is the temperature coefficient of the REF2925AIDBZRG4?
The temperature coefficient of the REF2925AIDBZRG4 is 100 ppm/°C.
- What is the quiescent current of the REF2925AIDBZRG4?
The quiescent current of the REF2925AIDBZRG4 is 50 µA.
- What is the dropout voltage of the REF2925AIDBZRG4?
The dropout voltage of the REF2925AIDBZRG4 is 1 mV above the output voltage in unloaded conditions.
- What is the operating temperature range of the REF2925AIDBZRG4?
The operating temperature range of the REF2925AIDBZRG4 is -40°C to 125°C.
- Does the REF2925AIDBZRG4 require a load capacitor?
No, the REF2925AIDBZRG4 does not require a load capacitor, but it is stable with any capacitive load.
- What is the ESD rating of the REF2925AIDBZRG4?
The ESD rating of the REF2925AIDBZRG4 is ±4000 V (HBM) and ±1500 V (CDM).
- What are some typical applications of the REF2925AIDBZRG4?
Typical applications include portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- How does the REF2925AIDBZRG4 perform in terms of noise?
The REF2925AIDBZRG4 generates noise less than 50 µV PP between frequencies of 0.1 Hz to 10 Hz.
- What is the long-term stability of the REF2925AIDBZRG4?
The REF2925AIDBZRG4 exhibits high long-term stability, with a typical drift value of 24 ppm from 0 to 1000 hours and 15 ppm from 1000 to 2000 hours.
