Overview
The AD8519ARZ is a high-performance, rail-to-rail operational amplifier produced by Analog Devices Inc. It is part of the AD8519 and AD8529 series, known for their wide bandwidth, low offset voltage, and suitability for a variety of applications. The AD8519ARZ is particularly notable for its compact packaging options, including the 5-lead SC70 and 5-lead SOT-23 packages, as well as an 8-lead SOIC surface-mount package. This amplifier is designed to offer precision and bandwidth, making it ideal for battery-powered and space-constrained applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Unity Gain Bandwidth | - | - | 8 MHz | - | - |
| Slew Rate | 1 V < VOUT < 4 V, RL = 10 kΩ | - | 2.9 V/μs | - | - |
| Offset Voltage | -40°C ≤ TA ≤ +125°C | 700 μV | 1200 μV | 1400 μV | μV |
| Input Bias Current | - | - | 300 nA | - | nA |
| Input Offset Current | - | - | ±50 nA | - | nA |
| Common-Mode Rejection Ratio | 0 V ≤ VCM ≤ 2.0 V, -40°C ≤ TA ≤ +125°C | 55 dB | 75 dB | - | dB |
| Power Supply Rejection Ratio | VS = 2.7 V to 7 V, -40°C ≤ TA ≤ +125°C | 80 dB | 110 dB | - | dB |
| Supply Current/Amplifier | VOUT = 2.5 V, -40°C ≤ TA ≤ +125°C | 600 μA | 1200 μA | 1400 μA | μA |
| Output Voltage Swing High | IL = 250 μA | - | 2.90 V | - | V |
| Output Voltage Swing Low | IL = 250 μA | - | 100 mV | - | mV |
Key Features
- Space-saving SC70 and SOT-23 packaging, as well as an 8-lead SOIC surface-mount package.
- Wide bandwidth of 8 MHz at 5 V supply.
- Low offset voltage of 1.2 mV maximum.
- Rail-to-rail output swing.
- High slew rate of 2.9 V/μs.
- Unity gain stable.
- Single-supply operation from 2.7 V to 12 V.
- Low supply current, making it ideal for battery-powered applications.
- Specified over the extended industrial temperature range of -40°C to +125°C.
Applications
- Portable communications.
- Microphone amplifiers.
- Driving ASIC inputs such as voice codecs.
- Battery-powered applications due to low supply current.
- Applications requiring greater dynamic range than standard video op amps.
- Placement next to sensors to reduce external noise pickup.
Q & A
- What is the unity gain bandwidth of the AD8519ARZ?
The unity gain bandwidth of the AD8519ARZ is 8 MHz at a 5 V supply. - What is the slew rate of the AD8519ARZ?
The slew rate of the AD8519ARZ is 2.9 V/μs. - What are the packaging options for the AD8519ARZ?
The AD8519ARZ is available in 5-lead SC70, 5-lead SOT-23, and 8-lead SOIC surface-mount packages. - What is the operating temperature range for the AD8519ARZ?
The AD8519ARZ is specified over the extended industrial temperature range of -40°C to +125°C. - What is the typical offset voltage of the AD8519ARZ?
The typical offset voltage of the AD8519ARZ is less than 1 mV. - Is the AD8519ARZ suitable for battery-powered applications?
Yes, the AD8519ARZ is suitable for battery-powered applications due to its low supply current. - What are some common applications of the AD8519ARZ?
Common applications include portable communications, microphone amplifiers, and driving ASIC inputs such as voice codecs. - Does the AD8519ARZ have rail-to-rail output swing?
Yes, the AD8519ARZ has a rail-to-rail output swing. - What is the common-mode rejection ratio (CMRR) of the AD8519ARZ?
The CMRR of the AD8519ARZ is 55 dB to 75 dB over the temperature range of -40°C to +125°C. - What is the power supply rejection ratio (PSRR) of the AD8519ARZ?
The PSRR of the AD8519ARZ is 80 dB to 110 dB over the supply voltage range of 2.7 V to 7 V.
