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Specifications
SKU: 11234518
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | VIN | 2.7 | - | 5.5 | V | Input supply voltage range |
| Output Voltage | VOUT | 2.048 | - | 2.048 | V | Nominal output voltage |
| Initial Accuracy | ±0.02 | - | ±0.06 | % FSR | Maximum initial error at 25°C | |
| Temperature Coefficient | -2 | - | +2 | ppm/°C | Maximum temperature coefficient over the operating temperature range | |
| Quiescent Current | IQ | 90 | 120 | 150 | μA | Supply current at no load |
| Load Regulation | 0.001 | - | 0.003 | %/mA | Change in output voltage with respect to load current | |
| Line Regulation | 0.001 | - | 0.003 | %/V | Change in output voltage with respect to input voltage | |
| Dropout Voltage | VDO | 0.1 | - | 0.3 | V | Minimum difference between input and output voltages for regulation |
| Power-Down Mode Current | IPD | 0.1 | 0.5 | 1.0 | μA | Supply current in power-down mode |
| Operating Temperature | TOP | -40 | - | 125 | °C | Operating temperature range |
| Storage Temperature | TSTG | -65 | - | 150 | °C | Storage temperature range |
Instructions for Using ADR421ARZ
Supply Voltage:
- Ensure the supply voltage (VIN) is within the specified range of 2.7V to 5.5V.
- Use a stable power source to avoid fluctuations that could affect the performance.
Output Voltage:
- The ADR421ARZ provides a nominal output voltage of 2.048V. This voltage is highly accurate and stable over temperature and time.
Initial Accuracy:
- The initial accuracy is ±0.02% to ±0.06% of the full-scale range (FSR) at 25°C. This ensures minimal initial error in the output voltage.
Temperature Coefficient:
- The temperature coefficient is ±2 ppm/°C, indicating the maximum change in output voltage per degree Celsius over the operating temperature range.
Quiescent Current:
- The quiescent current is typically 120 μA, which is relatively low, making the device suitable for battery-powered applications.
Load Regulation:
- The load regulation is 0.001% to 0.003% per milliampere, ensuring minimal change in output voltage with varying load currents.
Line Regulation:
- The line regulation is 0.001% to 0.003% per volt, ensuring minimal change in output voltage with varying input voltages.
Dropout Voltage:
- The dropout voltage is 0.1V to 0.3V, which is the minimum difference required between the input and output voltages for the device to maintain regulation.
Power-Down Mode:
- In power-down mode, the supply current drops to 0.1 μA to 1.0 μA, significantly reducing power consumption when the device is not in use.
Operating Temperature:
- The device operates reliably over a temperature range of -40°C to 125°C, making it suitable for a wide range of environmental conditions.
Storage Temperature:
- Store the device in an environment with temperatures ranging from -65°C to 150°C to ensure long-term reliability.
Handling and Storage:
- Handle the device with care to avoid mechanical damage or electrostatic discharge (ESD).
- Store the device in a dry, cool place to prevent moisture damage.
Mounting and Soldering:
- Follow recommended soldering profiles to avoid thermal stress during assembly.
- Ensure proper grounding and decoupling capacitors are used to maintain stability and reduce noise.
By following these parameters and instructions, you can ensure optimal performance and reliability of the ADR421ARZ voltage reference.
(For reference only)Inquiry - ADR421ARZ
