Overview
The AD8039AR-REEL, produced by Analog Devices Inc., is a dual high-speed voltage feedback amplifier. This component is part of the AD8038/AD8039 family, known for its low power consumption and high performance. The AD8039 features two amplifiers in a single package, making it ideal for applications where space and power efficiency are critical. The amplifier utilizes Analog Devices' proprietary XFCB process, enabling low noise operation and high speed with extremely low quiescent currents.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3 | 12 | V | |
| Quiescent Current per Amplifier | 0.9 | 1.0 | 1.5 | mA |
| Bandwidth (G = +1) | 350 | MHz | ||
| Slew Rate | 425 | V/μs | ||
| Input Noise Voltage | 8 | nV/√Hz @ 100 kHz | ||
| Input Bias Current | 750 | nA | ||
| Input Common-Mode Voltage Range | 1 V from either rail | V | ||
| Output Voltage Swing (RL = 2 kΩ) | 0.9 | 4.1 | V | |
| Capacitive Load Drive | 15 pF | |||
| Package | 8-lead SOIC, 8-lead SOT-23 |
Key Features
- Low power consumption: 1 mA supply current per amplifier.
- High speed: 350 MHz bandwidth and 425 V/μs slew rate.
- Low noise: 8 nV/√Hz and 600 fA/√Hz at 100 kHz.
- Low input bias current: 750 nA maximum.
- Wide supply range: 3 V to 12 V.
- Small packaging: Available in 8-lead SOIC and 8-lead SOT-23 packages.
- Disable feature (available in AD8038 8-lead SOIC package): Allows the amplifier to be turned off, reducing quiescent current to 0.2 mA.
- High input common-mode range: 1 V from either rail.
- Optimized for driving capacitive loads up to 15 pF.
Applications
- Battery-powered instrumentation.
- Filters.
- A/D drivers.
- Level shifting.
- Buffering.
- Photo multipliers.
Q & A
- What is the typical supply current per amplifier for the AD8039?
The typical supply current per amplifier is 1.0 mA.
- What is the bandwidth of the AD8039 at a gain of +1?
The bandwidth is 350 MHz at a gain of +1.
- What is the slew rate of the AD8039?
The slew rate is 425 V/μs.
- What is the input noise voltage of the AD8039 at 100 kHz?
The input noise voltage is 8 nV/√Hz at 100 kHz.
- What is the maximum input bias current of the AD8039?
The maximum input bias current is 750 nA.
- What is the range of the supply voltage for the AD8039?
The supply voltage range is from 3 V to 12 V.
- What are the available package types for the AD8039?
The AD8039 is available in 8-lead SOIC and 8-lead SOT-23 packages.
- Does the AD8039 have a disable feature?
No, the disable feature is only available in the AD8038 8-lead SOIC package.
- What is the maximum capacitive load that the AD8039 can drive?
The AD8039 is optimized for driving capacitive loads up to 15 pF.
- What are some common applications of the AD8039?
Common applications include battery-powered instrumentation, filters, A/D drivers, level shifting, buffering, and photo multipliers.
