Overview
The AD8519ARTZ-REEL is a high-performance, rail-to-rail output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD8519 and AD8529 series, known for their wide bandwidth, low offset voltage, and robust dynamic performance. The AD8519 is particularly suited for applications requiring precision, bandwidth, and low power consumption, making it ideal for battery-powered devices and systems that demand high dynamic range.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 2.7 | 12 | V | ||
| Input Offset Voltage | VOS | −40°C ≤ TA ≤ +125°C | 700 | 1200 | 1400 | μV |
| Input Bias Current | IB | 300 | nA | |||
| Input Offset Current | IOS | ±50 | nA | |||
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 2.0 V, −40°C ≤ TA ≤ +125°C | 55 | 75 | dB | |
| Slew Rate | SR | 1 V < VOUT < 4 V, RL = 10 kΩ | 2.9 | V/μs | ||
| Gain Bandwidth Product | GBP | 8 | MHz | |||
| Phase Margin | Φm | 60 | Degrees | |||
| Output Voltage Swing High | VOH | IL = 250 μA | 2.90 | V | ||
| Output Voltage Swing Low | VOL | IL = 250 μA | 100 | mV | ||
| Supply Current/Amplifier | ISY | VOUT = 2.5 V, −40°C ≤ TA ≤ +125°C | 600 | 1200 | 1400 | μA |
| Maximum Output Current | IOUT | ±25 | mA |
Key Features
- Space-saving Packaging: Available in 5-lead SC70 and 5-lead SOT-23 packages, as well as an 8-lead SOIC surface-mount package.
- Wide Bandwidth: Unity gain bandwidth of 8 MHz.
- Low Offset Voltage: Typical voltage offset of less than 1 mV.
- Rail-to-Rail Output Swing: Larger dynamic range compared to standard video op amps.
- High Slew Rate: 2.9 V/μs slew rate, suitable for driving ASIC inputs such as voice codecs.
- Single-Supply Operation: Operates from 2.7 V to 12 V supply voltage.
- Low Power Consumption: Supply current of 600 μA to 1400 μA, making it ideal for battery-powered applications.
Applications
- Portable Communications: Suitable for use in portable communication devices due to its low power consumption and compact packaging.
- Microphone Amplifiers: Ideal for microphone preamplifier stages requiring high dynamic range and low noise.
- Power Supply Rejection Ratio (PSRR): High PSRR makes it suitable for applications where power supply noise rejection is critical.
- ASIC Input Driving: The high slew rate makes it a good match for driving ASIC inputs such as voice codecs.
Q & A
- What is the typical voltage offset of the AD8519? The typical voltage offset of the AD8519 is less than 1 mV.
- What is the unity gain bandwidth of the AD8519? The unity gain bandwidth of the AD8519 is 8 MHz.
- What are the available package types for the AD8519? The AD8519 is available in 5-lead SC70, 5-lead SOT-23, and 8-lead SOIC surface-mount packages.
- What is the slew rate of the AD8519? The slew rate of the AD8519 is 2.9 V/μs).
- What is the operating temperature range of the AD8519? The AD8519 operates over an extended industrial temperature range of −40°C to +125°C).
- What is the supply voltage range for the AD8519? The AD8519 operates from a single supply voltage of 2.7 V to 12 V).
- What is the maximum output current of the AD8519? The maximum output current of the AD8519 is ±25 mA).
- What is the common-mode rejection ratio (CMRR) of the AD8519? The CMRR of the AD8519 is 55 dB to 75 dB over the specified temperature range).
- Is the AD8519 suitable for battery-powered applications? Yes, the AD8519 is suitable for battery-powered applications due to its low supply current).
- What are some typical applications of the AD8519? Typical applications include portable communications, microphone amplifiers, and driving ASIC inputs such as voice codecs).
