Overview
The AD1582ART-REEL7, produced by Analog Devices Inc., is a 2.5V micropower, precision series mode voltage reference. This device is part of the AD1582/AD1583/AD1584/AD1585 series, known for their low power consumption, high accuracy, and temperature stability. These references are ideal for use in battery-powered systems, particularly those requiring minimal power dissipation and operating over a wide range of supply voltages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (at 25°C) | 2.480 | 2.500 | 2.520 | V |
| Initial Accuracy Error (at 25°C) | -20 | - | 20 | mV |
| Output Voltage Temperature Drift | - | - | 100 | ppm/°C |
| Minimum Supply Headroom (VIN - VOUT) | - | - | 200 | mV |
| Load Regulation | - | - | 25 | µV/V |
| Quiescent Current | - | - | 70 | µA |
| Short-Circuit Current to Ground | - | - | 15 | mA |
| Noise Voltage (at 25°C) | - | - | 50 | µV rms (10 Hz to 10 kHz) |
| Turn-On Settling Time to 0.1% | - | - | 100 | µs (CL = 0.2 µF) |
| Temperature Range | -40 | - | 125 | °C |
Key Features
- Low Quiescent Current: Maximum 70 µA with only a 1.0 µA/V variation with supply voltage.
- High Accuracy and Temperature Stability: Achieved through precise matching and thermal tracking of on-chip components and patented temperature drift curvature correction design techniques.
- Low Dropout: Operates efficiently with only 200 mV of required headroom supply.
- High Load Current Capability: Sources or sinks up to 5 mA of load current.
- Compact Packaging: Available in a 3-lead SOT-23 surface-mount package.
- Wide Supply Range: VIN = VOUT + 200 mV to 12 V.
- Low Noise: Wideband noise of 50 µV rms (10 Hz to 10 kHz).
Applications
- Portable, Battery-Powered Equipment: Notebook computers, cellular phones, pagers, PDAs, GPS devices, and DMMs.
- Computer Workstations: Suitable for use with a wide range of video RAMDACs.
- Smart Industrial Transmitters: For precise voltage referencing in industrial settings.
- PCMCIA Cards: For mobile and embedded systems.
- Automotive Systems: Qualified for automotive applications.
- Hard Disk Drives: For 3 V/5 V, 8-bit/12-bit data converters.
Q & A
- What is the output voltage of the AD1582ART-REEL7?
The output voltage of the AD1582ART-REEL7 is 2.5 V. - What is the maximum quiescent current of the AD1582ART-REEL7?
The maximum quiescent current is 70 µA. - What is the load current capability of the AD1582ART-REEL7?
The device can source or sink up to 5 mA of load current. - What is the minimum supply headroom required for the AD1582ART-REEL7?
The minimum supply headroom required is 200 mV. - What is the temperature range for the AD1582ART-REEL7?
The specified temperature range is -40°C to +125°C. - What type of package does the AD1582ART-REEL7 come in?
The device is packaged in a 3-lead SOT-23 surface-mount package. - What are some common applications for the AD1582ART-REEL7?
Common applications include portable battery-powered equipment, computer workstations, smart industrial transmitters, PCMCIA cards, automotive systems, and hard disk drives. - How does the AD1582ART-REEL7 achieve high accuracy and temperature stability?
High accuracy and temperature stability are achieved through precise matching and thermal tracking of on-chip components and patented temperature drift curvature correction design techniques. - What is the noise voltage specification for the AD1582ART-REEL7?
The wideband noise is 50 µV rms (10 Hz to 10 kHz). - What is the turn-on settling time for the AD1582ART-REEL7?
The turn-on settling time to 0.1% is 100 µs (CL = 0.2 µF).
