Overview
The AD8644ARZ-REEL7 is a quad-channel operational amplifier produced by Analog Devices Inc. It is optimized for LCD monitor applications and is processed using the high voltage, extra fast complementary bipolar (HV XFCB) process. This proprietary process includes trench-isolated transistors that improve gain bandwidth, phase margin, and capacitive load drive. The amplifier is known for its low supply current of 800 μA per amplifier, making it suitable for portable or densely packed designs. It features rail-to-rail input and output, providing a greater dynamic range and control compared to standard video amplifiers.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Gain Bandwidth Product | 5.5 MHz |
| Slew Rate | 7.5 V/μs |
| Supply Voltage | 5 V to 18 V |
| Input Offset Voltage | 1 mV |
| Input Bias Current | 80 nA |
| Output Current per Channel | 70 mA |
| Operating Temperature | -20°C to +85°C |
| Package Type | 14-lead SOIC-N |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Rail-to-rail input and output, providing greater dynamic range and control.
- High gain bandwidth product of 5.5 MHz and slew rate of 7.5 V/μs.
- Low supply current of 800 μA per amplifier, suitable for portable or densely packed designs.
- High output current of 70 mA per channel.
- Stable with large capacitive loads.
- Lead-free and RoHS compliant manufacturing.
- Operating temperature range of -20°C to +85°C.
Applications
- LCD gamma and VCOM drivers.
- Modems.
- Portable instrumentation.
- Direct access arrangements.
Q & A
- What is the gain bandwidth product of the AD8644ARZ-REEL7?
The gain bandwidth product is 5.5 MHz.
- What is the slew rate of the AD8644ARZ-REEL7?
The slew rate is 7.5 V/μs.
- What is the supply voltage range for the AD8644ARZ-REEL7?
The supply voltage range is from 5 V to 18 V.
- What is the input offset voltage of the AD8644ARZ-REEL7?
The input offset voltage is 1 mV.
- How many channels does the AD8644ARZ-REEL7 have?
The AD8644ARZ-REEL7 has 4 channels.
- What is the operating temperature range of the AD8644ARZ-REEL7?
The operating temperature range is -20°C to +85°C.
- What is the package type of the AD8644ARZ-REEL7?
The package type is 14-lead SOIC-N.
- Is the AD8644ARZ-REEL7 lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What are some common applications of the AD8644ARZ-REEL7?
Common applications include LCD gamma and VCOM drivers, modems, portable instrumentation, and direct access arrangements.
- What is the typical supply current per amplifier for the AD8644ARZ-REEL7?
The typical supply current per amplifier is 800 μA.
