Overview
The AD8515ARTZ-REEL7, produced by Analog Devices Inc., is a low-power, rail-to-rail input and output operational amplifier. This device is designed to operate from a single-supply voltage as low as 1.8 V, making it highly suitable for battery-powered applications. The AD8515 is available in compact 5-lead SOT-23 and 5-lead SC70 packages, which are ideal for placement next to sensors to minimize external noise pickup.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 1.8 | 5.0 | V | ||
| Supply Current/Amplifier | ISY | VOUT = VS/2, -40°C < TA < +125°C | 325 | 450 | 500 | μA |
| Offset Voltage | VOS | VCM = VS/2, TA = 25°C | 1 | mV | ||
| Slew Rate | SR | RL = 10 kΩ | 2.7 | V/μs | ||
| Gain Bandwidth Product | GBP | 5 | MHz | |||
| Voltage Noise Density | en | f = 1 kHz | 22 | nV/√Hz | ||
| Current Noise Density | f = 1 kHz | 0.05 | pA/√Hz |
Key Features
- Rail-to-rail input and output capability, allowing the amplifier to operate with input and output signals that range from the negative to the positive supply rail.
- Low supply current of less than 450 μA, making it ideal for battery-powered devices.
- High gain bandwidth product of 5 MHz and a slew rate of 2.7 V/μs, ensuring good dynamic performance.
- Robust ESD design capable of withstanding up to 4000 V.
- No phase reversal when the input signal exceeds the supply by more than 0.6 V.
- Compact 5-lead SOT-23 and 5-lead SC70 packages for minimal footprint and reduced noise pickup.
Applications
- Portable communications and personal digital assistants.
- Portable phones and new generation phones.
- Sensor interfaces and laser scanners.
- PCMCIA cards and battery-powered devices.
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 supply current of the AD8515? The typical supply current of the AD8515 is 450 μA.
- 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.
- Is the AD8515 suitable for battery-powered applications? Yes, the AD8515 is highly suitable for battery-powered applications due to its low supply current.
- What are the package options for the AD8515? The AD8515 is available in 5-lead SOT-23 and 5-lead SC70 packages.
- Does the AD8515 have robust ESD protection? Yes, the AD8515 has a robust ESD design capable of withstanding up to 4000 V.
- What are some common applications of the AD8515? Common applications include portable communications, sensor interfaces, laser scanners, and battery-powered devices.
- What is the typical offset voltage of the AD8515? The typical offset voltage of the AD8515 is 1 mV.
- How does the AD8515 handle input signals exceeding the supply voltage? The AD8515 does not exhibit phase reversal when the input signal exceeds the supply by more than 0.6 V.
