Overview
The AD8031ARZ is a high-speed, low-power operational amplifier produced by Analog Devices Inc. This single-supply, voltage feedback amplifier is part of the AD8031 and AD8032 series, which are known for their high performance and low power consumption. The AD8031ARZ is particularly suited for applications requiring high speed and low distortion, making it ideal for battery-operated systems, high component density systems, and portable test instruments.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | Low Power, Voltage Feedback |
| Mounting Type | Surface Mount |
| Package Type | 8-Pin SOIC |
| Power Supply Type | Single, Dual |
| Number of Channels per Chip | 1 |
| Pin Count | 8 |
| Typical Single Supply Voltage | 5 V |
| Typical Gain Bandwidth Product | 80 MHz |
| Typical Dual Supply Voltage | ±5 V |
| Typical Slew Rate | 30 V/μs |
| Maximum Operating Frequency | 100 kHz |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| Maximum Input Voltage | 12 V |
| Output Current | 15 mA |
| Offset Voltage | ±2.5 mV |
| Rail-to-Rail Input/Output | Yes |
| Input Offset Current | 500 nA |
| Typical Input Voltage Noise Density | 15 nV/√Hz |
Key Features
- Low power consumption: 800 μA per amplifier
- High speed performance: 80 MHz bandwidth, 30 V/μs slew rate, and 125 ns settling time to 0.1%
- Rail-to-rail input and output: Input voltage range extends 200 mV beyond supply rails, and output voltage swings to within 20 mV of either rail
- No phase reversal: Up to 500 mV beyond supply rails
- Low distortion: -62 dBc at 1 MHz, 2 V p-p output; -86 dBc at 100 kHz, 4.6 V p-p output
- High grade option: Maximum offset voltage (VOS) = 1.5 mV
Applications
- High speed, battery-operated systems
- High component density systems
- Portable test instruments
- A/D buffers
- Active filters
- High speed, set-and-demand amplifiers
Q & A
- What is the typical supply current of the AD8031ARZ?
The typical supply current is 800 μA per amplifier.
- What is the bandwidth of the AD8031ARZ?
The bandwidth is 80 MHz.
- What is the slew rate of the AD8031ARZ?
The slew rate is 30 V/μs.
- Does the AD8031ARZ have rail-to-rail input and output capabilities?
Yes, it has rail-to-rail input and output capabilities.
- What is the maximum output current of the AD8031ARZ?
The maximum output current is 15 mA.
- What are the operating temperature ranges for the AD8031ARZ?
The operating temperature ranges are from -40 °C to +85 °C.
- What is the typical input voltage noise density of the AD8031ARZ?
The typical input voltage noise density is 15 nV/√Hz.
- Is the AD8031ARZ suitable for battery-operated systems?
Yes, it is suitable for high speed, battery-operated systems due to its low power consumption.
- What are some common applications of the AD8031ARZ?
Common applications include portable test instruments, A/D buffers, active filters, and high speed, set-and-demand amplifiers.
- Does the AD8031ARZ exhibit phase reversal beyond supply rails?
No, it does not exhibit phase reversal up to 500 mV beyond supply rails.
