Overview
The AD8515ARTZ-REEL, produced by Analog Devices Inc., is a single-channel, rail-to-rail operational amplifier designed for low-power and high-performance applications. This amplifier operates from a single-supply voltage as low as 1.8 V and is available in 5-lead SOT-23 and 5-lead SC70 packages. Its compact size makes it ideal for placement next to sensors, reducing external noise pickup. The AD8515 is fabricated using 0.6 micron CMOS technology, achieving a favorable power consumption-to-speed ratio, making it suitable for a wide range of battery-powered devices and other low-voltage applications.
Key Specifications
| Parameter | Symbol | Conditions | Typical Value | Unit |
|---|---|---|---|---|
| Supply Voltage | VS | - | 1.8 V to 5.0 V | V |
| Supply Current per Amplifier | ISY | VOUT = VS/2, -40°C < TA < +125°C | 350 - 450 μA | μA |
| Offset Voltage | VOS | VCM = VS/2, TA = 25°C | 1 mV | mV |
| Slew Rate | SR | RL = 10 kΩ | 2.7 V/μs | V/μs |
| Gain Bandwidth Product | GBP | - | 5 MHz | MHz |
| Voltage Noise Density | en | f = 1 kHz | 22 nV/√Hz | nV/√Hz |
| Current Noise Density | in | f = 1 kHz | 0.05 pA/√Hz | pA/√Hz |
| Power Supply Rejection Ratio | PSRR | VS = 1.8 V to 5.0 V, -40°C < TA < +125°C | 65 - 85 dB | dB |
| Operating Temperature Range | TA | - | -40°C to +125°C | °C |
Key Features
- Rail-to-Rail Input and Output: The AD8515 can operate with input and output signals that range from the negative to the positive supply rail, enhancing its versatility in various applications.
- Low Supply Current: With a maximum supply current of 450 μA at 1.8 V, this amplifier is ideal for battery-powered devices and other low-power applications.
- High Gain Bandwidth Product: The amplifier has a gain bandwidth product of 5 MHz, ensuring high-speed signal processing capabilities.
- Robust ESD Protection: The AD8515 features ESD protection up to 4000 V, making it robust against electrostatic discharge.
- Compact Packaging: Available in 5-lead SOT-23 and 5-lead SC70 packages, making it suitable for space-constrained designs.
Applications
- Portable Communications: Suitable for use in portable phones, personal digital assistants, and other mobile devices.
- Sensor Interfaces: Ideal for interfacing with sensors due to its low noise and high accuracy characteristics.
- Laser Scanners and PCMCIA Cards: Used in applications requiring high precision and low power consumption.
- Battery-Powered Devices: Its low supply current makes it a preferred choice for battery-powered equipment.
Q & A
- What is the minimum supply voltage for the AD8515?
The minimum supply voltage for the AD8515 is 1.8 V.
- What is the typical offset voltage of the AD8515?
The typical offset voltage of the AD8515 is 1 mV.
- What is the gain bandwidth product of the AD8515?
The gain bandwidth product of the AD8515 is 5 MHz.
- What is the slew rate of the AD8515?
The slew rate of the AD8515 is 2.7 V/μs.
- What is the operating temperature range of the AD8515?
The operating temperature range of the AD8515 is -40°C to +125°C.
- Does the AD8515 have ESD protection?
Yes, the AD8515 has ESD protection up to 4000 V.
- What are the available package types for the AD8515?
The AD8515 is available in 5-lead SOT-23 and 5-lead SC70 packages.
- What is the typical supply current of the AD8515 at 1.8 V?
The typical supply current of the AD8515 at 1.8 V is 350 - 450 μA.
- Is the AD8515 suitable for battery-powered devices?
Yes, the AD8515 is highly suitable for battery-powered devices due to its low supply current.
- What are some common applications of the AD8515?
The AD8515 is commonly used in portable communications, sensor interfaces, laser scanners, PCMCIA cards, and other battery-powered devices.
