Overview
The REF2930AIDBZRG4 is a precision, low-power, low-voltage dropout voltage reference from 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 stable voltage references with minimal power consumption. The REF2930AIDBZRG4 operates with a maximum quiescent current of 50 µA and is specified for a wide temperature range of -40°C to 125°C, making it ideal for portable, battery-powered equipment and other low-power applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.0 | V |
| Temperature Coefficient | 100 | ppm/°C |
| Quiescent Current | 50 | µA |
| Dropout Voltage | 1 mV (unloaded) | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | SOT-23 (3-pin) | |
| ESD Rating (HBM) | ±4000 V | V |
| ESD Rating (CDM) | ±1500 V | V |
Key Features
- Precision voltage reference with a temperature coefficient of 100 ppm/°C.
- Low quiescent current of 50 µA, making it suitable for battery-powered devices.
- Extremely low dropout voltage, allowing operation with a supply voltage just 1 mV above the output voltage in an unloaded condition.
- Stable operation over a wide temperature range of -40°C to 125°C.
- No load capacitor required, but stable with any capacitive load.
- Low noise performance, with noise less than 50 µV PP between 0.1 Hz to 10 Hz.
- High long-term stability, with a typical drift value of 24 ppm from 0 to 1000 hours.
Applications
- Portable, battery-powered equipment.
- Data acquisition systems.
- Medical equipment.
- Hand-held test equipment.
- Low-power analog circuitry, such as in single-supply ADCs and operational amplifier circuits.
Q & A
- What is the output voltage of the REF2930AIDBZRG4?
The output voltage of the REF2930AIDBZRG4 is 3.0 V.
- What is the temperature coefficient of the REF2930AIDBZRG4?
The temperature coefficient is 100 ppm/°C.
- What is the maximum quiescent current of the REF2930AIDBZRG4?
The maximum quiescent current is 50 µA.
- What is the dropout voltage of the REF2930AIDBZRG4 in an unloaded condition?
The dropout voltage is 1 mV above the output voltage in an unloaded condition.
- Does the REF2930AIDBZRG4 require a load capacitor?
No, the REF2930AIDBZRG4 does not require a load capacitor but is stable with any capacitive load.
- What is the operating temperature range of the REF2930AIDBZRG4?
The operating temperature range is -40°C to 125°C.
- What is the package type of the REF2930AIDBZRG4?
The package type is SOT-23 (3-pin).
- What are the ESD ratings for the REF2930AIDBZRG4?
The ESD ratings are ±4000 V for the Human-Body Model (HBM) and ±1500 V for the Charged-Device Model (CDM).
- What are some typical applications of the REF2930AIDBZRG4?
Typical applications include portable, battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- How does the REF2930AIDBZRG4 perform in terms of noise?
The REF2930AIDBZRG4 generates noise less than 50 µV PP between frequencies of 0.1 Hz to 10 Hz.
