Overview
The AD8644ARUZ-REEL, produced by Analog Devices Inc., is a quad operational amplifier that operates on a single supply. It is part of the AD8614/AD8644 family, which includes single and quad versions of these high-performance amplifiers. The AD8644 is optimized for applications requiring high bandwidth, low voltage offset, and rail-to-rail input and output capabilities. It is particularly suited for LCD monitor applications due to its high capacitive drive capability and stable operation with large capacitive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 5.5 MHz | |
| Low Voltage Offset | 1.0 mV | |
| Slew Rate | 7.5 V/μs | |
| Single-Supply Operation | 5 V to 18 V | |
| High Output Current | 70 mA | |
| Low Supply Current | 800 μA/amplifier | |
| Temperature Range | –20°C to +85°C | |
| Package Type | 14-Lead TSSOP (RU) | |
| Thermal Resistance (θJA) | 180 °C/W |
Key Features
- Rail-to-rail input and output capabilities, providing greater dynamic range and control.
- High bandwidth of 5.5 MHz and a slew rate of 7.5 V/μs, making it suitable for high-speed applications.
- Low supply current of 800 μA per amplifier, ideal for portable or densely packed designs.
- High output current of 70 mA and high capacitive drive capability, stable with large capacitive loads.
- Single-supply operation from 5 V to 18 V, enhancing flexibility in various applications.
- Processed using Analog Devices' high voltage, extra fast complementary bipolar (HV XFCB) process, which improves gain bandwidth, phase margin, and capacitive load drive.
Applications
- LCD gamma and VCOM drivers.
- Modems.
- Portable instrumentation.
- Direct access arrangement.
Q & A
- What is the unity-gain bandwidth of the AD8644ARUZ-REEL?
The unity-gain bandwidth of the AD8644ARUZ-REEL is 5.5 MHz.
- What is the typical voltage offset of the AD8644ARUZ-REEL?
The typical voltage offset is 1.0 mV.
- What is the slew rate of the AD8644ARUZ-REEL?
The slew rate is 7.5 V/μs.
- What is the operating voltage range for the AD8644ARUZ-REEL?
The AD8644ARUZ-REEL operates from a single supply of 5 V to 18 V.
- What is the maximum output current of the AD8644ARUZ-REEL?
The maximum output current is 70 mA.
- What is the typical supply current per amplifier for the AD8644ARUZ-REEL?
The typical supply current per amplifier is 800 μA.
- What temperature range is the AD8644ARUZ-REEL specified for?
The AD8644ARUZ-REEL is specified over the temperature range of –20°C to +85°C.
- In what package types is the AD8644ARUZ-REEL available?
The AD8644ARUZ-REEL is available in 14-lead TSSOP (RU) and other surface-mount packages.
- What are some common applications for the AD8644ARUZ-REEL?
Common applications include LCD gamma and VCOM drivers, modems, portable instrumentation, and direct access arrangements.
- Is the AD8644ARUZ-REEL RoHS compliant?
