Overview
The AD8039AR-REEL7, produced by Analog Devices Inc., is a high-speed, low-power dual voltage feedback operational amplifier. This component is part of the AD8039 series, which includes the AD8038 (single amplifier) and AD8039 (dual amplifier) models. The AD8039 is designed for applications where both high performance and low power consumption are critical. It features a wide supply voltage range, low noise operation, and high slew rates, making it suitable for a variety of applications including battery-powered instrumentation, filters, A/D drivers, level shifting, and buffering.
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 | ||
| Common-Mode Rejection Ratio | 59 | 65 | dB | |
| Power Supply Rejection Ratio | -65 | -71 | dB | |
| Capacitive Load Drive | 15 pF |
Key Features
- High speed: 350 MHz bandwidth and 425 V/μs slew rate.
- Low power consumption: 1 mA typical quiescent current per amplifier.
- Low noise operation: 8 nV/√Hz and 600 fA/√Hz at 100 kHz.
- Low input bias current: 750 nA maximum.
- Wide supply voltage range: 3 V to 12 V.
- Small packaging options: 8-lead SOIC, 5-lead SC70, and 8-lead SOT-23.
- Disable feature (available in AD8038 8-lead SOIC package): allows for power-down and reduced quiescent current.
- High common-mode rejection ratio: 59 dB to 65 dB.
- Good power supply rejection ratio: -65 dB to -71 dB.
Applications
- Battery-powered instrumentation.
- Filters.
- A/D drivers.
- Level shifting.
- Buffering.
- Photo multipliers.
Q & A
- What is the typical quiescent current per amplifier for the AD8039?
The typical quiescent current per amplifier is 1.0 mA.
- What is the bandwidth of the AD8039 at a gain of +1?
The bandwidth at a gain of +1 is 350 MHz.
- 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 at 100 kHz is 8 nV/√Hz.
- What is the input bias current of the AD8039?
The input bias current is 750 nA maximum.
- What is the common-mode rejection ratio (CMRR) of the AD8039?
The CMRR is 59 dB to 65 dB.
- What is the power supply rejection ratio (PSRR) of the AD8039?
The PSRR is -65 dB to -71 dB.
- What are the available packaging options for the AD8039?
The available packaging options include 8-lead SOIC, 5-lead SC70, and 8-lead SOT-23.
- Does the AD8039 have a disable feature?
Yes, the AD8038 (single amplifier) in the 8-lead SOIC package has a disable feature, but it is not available in the AD8039 dual amplifier.
- What are some typical applications of the AD8039?
Typical applications include battery-powered instrumentation, filters, A/D drivers, level shifting, buffering, and photo multipliers.
