Overview
The REF5045AQDRQ1 is a precision voltage reference device from Texas Instruments, part of the REF50xxA-Q1 family. This device is designed for high-precision applications, offering low noise, very low drift, and high accuracy. It is particularly suited for use in automotive and industrial environments due to its robust performance across a wide temperature range of –40°C to 125°C. The REF5045AQDRQ1 provides a stable output voltage of 4.5 V and is available in an SO-8 package.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| Output Voltage | - | 4.5 | - | V |
| Initial Accuracy (Standard Grade) | -0.1% | - | 0.1% | % |
| Output Voltage Noise (0.1 Hz to 10 Hz) | - | 13.5 | - | μVPP |
| Temperature Drift (Standard Grade) | - | 3 | 8 | ppm/°C |
| Line Regulation | - | 0.1 | 1 | ppm/V |
| Output Current | - | - | ±10 | mA |
| Operating Temperature | -40 | - | 125 | °C |
| Junction Temperature (TJ max) | - | - | 150 | °C |
| ESD Rating (HBM) | - | - | ±1000 | V |
Key Features
- Low noise: 13.5 μVPP from 0.1 Hz to 10 Hz.
- Very low drift: 3 ppm/°C (typ) temperature drift.
- High accuracy: 0.1% (max) initial accuracy.
- High output current: ±10 mA.
- Excellent long-term stability: 5 ppm/1000 hr (typ) after 1000 hours.
- Qualified for automotive applications.
- TRIM/NR pin for adjusting output voltage and reducing noise.
- Operating temperature range: –40°C to 125°C.
Applications
- 16-Bit Data Acquisition Systems
- ATE Equipment
- Industrial Process Control
- Medical Instrumentation
- Optical Control Systems
- Precision Instrumentation
Q & A
- What is the output voltage of the REF5045AQDRQ1?
The output voltage of the REF5045AQDRQ1 is 4.5 V.
- What is the temperature drift of the REF5045AQDRQ1?
The temperature drift of the REF5045AQDRQ1 is 3 ppm/°C (typ) for the standard grade.
- What is the maximum output current of the REF5045AQDRQ1?
The maximum output current of the REF5045AQDRQ1 is ±10 mA.
- What is the operating temperature range of the REF5045AQDRQ1?
The operating temperature range of the REF5045AQDRQ1 is –40°C to 125°C.
- How can the output voltage of the REF5045AQDRQ1 be adjusted?
The output voltage can be adjusted using the TRIM/NR pin, which allows for a ±15-mV adjustment.
- What is the ESD rating of the REF5045AQDRQ1?
The ESD rating of the REF5045AQDRQ1 is ±1000 V (HBM).
- What are some typical applications of the REF5045AQDRQ1?
Typical applications include 16-bit data acquisition systems, ATE equipment, industrial process control, medical instrumentation, optical control systems, and precision instrumentation.
- How does the REF5045AQDRQ1 perform in terms of long-term stability?
The REF5045AQDRQ1 exhibits excellent long-term stability with a drift of 5 ppm/1000 hr (typ) after 1000 hours.
- What package type is the REF5045AQDRQ1 available in?
The REF5045AQDRQ1 is available in an SO-8 package.
- Is the REF5045AQDRQ1 qualified for automotive applications?
Yes, the REF5045AQDRQ1 is qualified for automotive applications.
