Overview
The REF2920AIDBZR is a precision, low-power voltage reference IC produced by Texas Instruments. This component is part of the REF29xx family, known for its high accuracy and stability. The REF2920AIDBZR is specifically designed to provide a fixed output voltage of 2.048V with a tolerance of ±2%. It is packaged in a compact 3-pin SOT-23 package, making it ideal for space-constrained and power-sensitive applications.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Output Voltage Tolerance | ±2% | |
| Maximum Load Current | 25 | mA |
| Quiescent Current | 50 | µA |
| Temperature Range | -40°C to 125°C | |
| Dropout Voltage | 1 mV above output voltage (unloaded) | |
| Package Type | SOT-23 (3-pin) | |
| Package Size | 2.92 mm × 1.30 mm | |
| ESD Rating (HBM) | ±4000 V | |
| ESD Rating (CDM) | ±1500 V |
Key Features
- Precision Voltage Reference: Provides a stable output voltage of 2.048V with a tolerance of ±2%.
- Low Power Consumption: Maximum quiescent current of 50 µA, making it suitable for battery-powered devices.
- Low Dropout Voltage: Can operate with a supply voltage just 1 mV above the output voltage in an unloaded condition.
- Wide Temperature Range: Specified for operation over -40°C to 125°C.
- No Load Capacitor Required: Stable operation without a load capacitor, though it can handle any capacitive load.
- Low Noise: Generates noise less than 50 µV PP between frequencies of 0.1 Hz to 10 Hz.
- High Long-Term Stability: Minimal drift over time, with a typical drift value of 24 ppm from 0 to 1000 hours.
Applications
- Portable and Battery-Powered Equipment: Ideal for devices where power efficiency and compact size are crucial.
- Data Acquisition Systems: Provides stable voltage references necessary for maintaining accuracy in data acquisition.
- Medical Equipment: Suitable for medical devices requiring precise voltage references.
- Hand-Held Test Equipment: Used in test equipment that requires stable and accurate voltage references.
Q & A
- What is the output voltage of the REF2920AIDBZR?
The output voltage of the REF2920AIDBZR is 2.048V with a tolerance of ±2%.
- What is the maximum load current for the REF2920AIDBZR?
The maximum load current for the REF2920AIDBZR is 25 mA.
- What is the quiescent current of the REF2920AIDBZR?
The quiescent current of the REF2920AIDBZR is 50 µA maximum.
- What is the temperature range for the REF2920AIDBZR?
The REF2920AIDBZR is specified for operation over a temperature range of -40°C to 125°C.
- Does the REF2920AIDBZR require a load capacitor?
No, the REF2920AIDBZR does not require a load capacitor but can handle any capacitive load.
- What is the dropout voltage for the REF2920AIDBZR?
The REF2920AIDBZR can operate with a supply voltage just 1 mV above the output voltage in an unloaded condition.
- What are the ESD ratings for the REF2920AIDBZR?
The ESD ratings for the REF2920AIDBZR are ±4000 V for the Human-Body Model (HBM) and ±1500 V for the Charged-Device Model (CDM).
- What is the package type and size of the REF2920AIDBZR?
The REF2920AIDBZR is packaged in a 3-pin SOT-23 package with dimensions of 2.92 mm × 1.30 mm.
- What are some typical applications for the REF2920AIDBZR?
Typical applications include portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- How stable is the output voltage of the REF2920AIDBZR over time?
The REF2920AIDBZR exhibits high long-term stability with a typical drift value of 24 ppm from 0 to 1000 hours.
