Overview
The AD8542AR from Analog Devices Inc. is a dual-channel, general-purpose, rail-to-rail input and output operational amplifier. It is designed for single-supply operation and features very low supply current, making it ideal for battery-powered and low-power applications. The AD8542AR operates over a supply voltage range of 2.7 V to 5.5 V and is available in 8-lead SOIC and 8-lead TSSOP packages. This amplifier is known for its high bandwidth, low input bias currents, and unity gain stability, making it suitable for a wide range of applications including sensor interfaces, medical instrumentation, and audio processing.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Part Number | AD8542AR | - |
| Manufacturer | Analog Devices Inc. | - |
| Package | 8-SOIC, 8-TSSOP | - |
| Voltage - Supply Span (Max) | 5.5 V | V |
| Current - Supply | 45 µA (x2 Channels) | µA |
| Current - Output / Channel | 30 mA | mA |
| Input Bias Current | 4 pA | pA |
| Input Offset Voltage | 1 mV | mV |
| Gain Bandwidth Product | 1 MHz | Hz |
| Slew Rate | 0.92 V/µs | V/µs |
| Operating Temperature Range | -40°C to +125°C | °C |
Key Features
- Single-supply operation: 2.7 V to 5.5 V
- Low supply current: 45 µA per amplifier
- Wide bandwidth: 1 MHz
- No phase reversal
- Low input bias currents: 4 pA
- Unity gain stable
- Rail-to-rail input and output
- High gain bandwidth product: 1 MHz
- Low slew rate: 0.92 V/µs
- Operating temperature range: -40°C to +125°C
Applications
- ASIC input or output amplifiers
- Sensor interfaces
- Piezoelectric transducer amplifiers
- Medical instrumentation
- Mobile communications
- Audio outputs
- Portable systems
- Laboratory and testing equipment
- Industrial automation
- Video equipment
Q & A
- What is the supply voltage range of the AD8542AR?
The AD8542AR operates over a supply voltage range of 2.7 V to 5.5 V.
- What is the typical supply current per amplifier for the AD8542AR?
The typical supply current per amplifier is 45 µA.
- What is the gain bandwidth product of the AD8542AR?
The gain bandwidth product is 1 MHz.
- What are the package options for the AD8542AR?
The AD8542AR is available in 8-lead SOIC and 8-lead TSSOP packages.
- What is the input bias current of the AD8542AR?
The input bias current is 4 pA.
- Is the AD8542AR unity gain stable?
- What is the slew rate of the AD8542AR?
The slew rate is 0.92 V/µs.
- What are some common applications of the AD8542AR?
- What is the operating temperature range of the AD8542AR?
- Does the AD8542AR have rail-to-rail input and output capabilities?
- Is the AD8542AR suitable for battery-powered applications?
