Overview
The ADR5044WBRTZ-R7 is a precision micropower shunt mode voltage reference produced by Analog Devices Inc. This component is part of the ADR5040/ADR5041/ADR5043/ADR5044/ADR5045 family, designed for space-critical applications. It is housed in an ultrasmall 3-lead SOT-23 package, making it ideal for handheld, battery-powered devices. The ADR5044WBRTZ-R7 offers high precision, low temperature drift, and fast settling time, making it a versatile choice for various electronic systems.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | IIN = 100 µA, Grade A | 4.088 | 4.096 | 4.104 | V |
| Initial Accuracy | VOERR | IIN = 100 µA, Grade A | -8.192 | - | 8.192 | mV |
| Temperature Coefficient | - | -40°C to +125°C | - | - | 75 | ppm/°C |
| Dynamic Output Impedance | ∆VR/∆IR | IIN = 50 µA to 15 mA | - | - | 0.2 | Ω |
| Minimum Operating Current | IIN | TA = 25°C | 50 | - | - | µA |
| Voltage Noise (0.1 Hz to 10 Hz) | eN | IIN = 100 µA | - | - | 6.6 | µV rms |
| Turn-On Settling Time | tR | CLOAD = 0 µF | - | - | 70 | µs |
| Output Voltage Hysteresis | ∆VOUT_HYS | IIN = 1 mA | - | - | 40 | ppm |
Key Features
- Ultracompact Packages: Available in SC70 and SOT-23 packages, making them suitable for space-critical applications.
- High Precision: Initial accuracy of better than 0.1% and low temperature coefficient of 75 ppm/°C.
- No External Capacitor Required: Stable with any capacitive load without the need for external compensation.
- Low Operating Current: Minimum operating current of 50 µA, increasing to a maximum of 15 mA.
- Fast Settling Time: Turn-on settling time of 70 µs with no load capacitor.
- Wide Temperature Range: Characterized over the extended temperature range of −40°C to +125°C.
Applications
The ADR5044WBRTZ-R7 is versatile and can be used in a variety of applications, including:
- Handheld and Battery-Powered Devices: Due to its low operating current and compact size.
- Automotive Systems: Qualified for automotive applications, ensuring reliability in harsh environments.
- Industrial and Medical Devices: Suitable for precision voltage reference needs in industrial and medical equipment.
- Consumer Electronics: Ideal for use in consumer electronics where space and power efficiency are critical.
Q & A
- What is the output voltage of the ADR5044WBRTZ-R7?
The output voltage of the ADR5044WBRTZ-R7 is 4.096 V. - What is the initial accuracy of the ADR5044WBRTZ-R7?
The initial accuracy is better than 0.1%. - What are the operating temperature ranges for the ADR5044WBRTZ-R7?
The component is characterized over the temperature range of −40°C to +125°C. - Does the ADR5044WBRTZ-R7 require an external capacitor for stability?
No, it does not require an external capacitor for stability. - What is the minimum operating current of the ADR5044WBRTZ-R7?
The minimum operating current is 50 µA at 25°C. - What is the turn-on settling time of the ADR5044WBRTZ-R7?
The turn-on settling time is 70 µs with no load capacitor. - Is the ADR5044WBRTZ-R7 suitable for automotive applications?
Yes, it is qualified for automotive applications. - What are the package options for the ADR5044WBRTZ-R7?
The component is available in 3-lead SOT-23 packages. - What is the dynamic output impedance of the ADR5044WBRTZ-R7?
The dynamic output impedance is 0.2 Ω. - What is the voltage noise of the ADR5044WBRTZ-R7 in the 0.1 Hz to 10 Hz range?
The voltage noise in the 0.1 Hz to 10 Hz range is 6.6 µV rms.
