Overview
The ADR280ARTZ-REEL7 is a high-performance, 1.2V voltage reference IC produced by Analog Devices Inc. This device is designed to provide a stable and accurate output voltage, making it ideal for applications that require precise voltage referencing. The ADR280ARTZ-REEL7 features a band gap core reference with excellent line regulation and high power supply ripple rejection (PSRR), which is crucial for applications experiencing dynamic supply variations.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 1.2V ± 0.4% |
| Temperature Coefficient | 10ppm/°C typical, 40ppm/°C max |
| Line Regulation | 2ppm/V typical |
| PSRR | -80dB typical at 10μA load |
| Supply Current | 10μA typical at 2.4V to 5.5V, no load |
| Noise | 12.5nV/√Hz typical at 400kHz |
| Operating Supply Range | 2.4V to 5.5V |
| Operating Temperature | -40°C to +85°C |
| Package Style | 3-lead SOT-23 |
Key Features
- Excellent line regulation and high PSRR, making it suitable for applications with dynamic supply variations.
- Ultralow power supply current, reducing power consumption.
- Low noise output, enhancing signal integrity.
- Compact 3-lead SOT-23 package, ideal for space-constrained designs.
- Wide operating supply range from 2.4V to 5.5V.
- Extended industrial temperature range of -40°C to +85°C.
Applications
The ADR280ARTZ-REEL7 is suitable for a variety of applications, including:
- Data converter references in GSM, GPRS, and 3G mobile stations.
- Analog baseband ICs with on-board baseband, audio codecs, voltage regulators, and battery chargers.
- General-purpose voltage referencing in industrial and consumer electronics.
- Spectrum analyzers and data acquisition systems.
Q & A
- What is the output voltage of the ADR280ARTZ-REEL7?
The output voltage is 1.2V with a tolerance of ±0.4%. - What is the temperature coefficient of the ADR280ARTZ-REEL7?
The temperature coefficient is 10ppm/°C typical and 40ppm/°C maximum. - What is the line regulation of the ADR280ARTZ-REEL7?
The line regulation is 2ppm/V typical. - What is the power supply ripple rejection (PSRR) of the ADR280ARTZ-REEL7?
The PSRR is -80dB typical at a 10μA load. - What is the typical supply current of the ADR280ARTZ-REEL7?
The typical supply current is 10μA at 2.4V to 5.5V with no load. - What is the noise level of the ADR280ARTZ-REEL7?
The noise level is 12.5nV/√Hz typical at 400kHz. - What is the operating supply range of the ADR280ARTZ-REEL7?
The operating supply range is from 2.4V to 5.5V. - What is the operating temperature range of the ADR280ARTZ-REEL7?
The operating temperature range is -40°C to +85°C. - What package style is the ADR280ARTZ-REEL7 available in?
The device is available in a 3-lead SOT-23 package. - What are some common applications of the ADR280ARTZ-REEL7?
Common applications include data converter references in mobile stations, analog baseband ICs, and general-purpose voltage referencing in industrial and consumer electronics.
