Overview
The AD8038AKSZ-REEL7 is a high-speed, low-power voltage feedback operational amplifier produced by Analog Devices Inc. This component is part of the AD8038 series, which includes single (AD8038) and dual (AD8039) amplifier configurations. The AD8038 is known for its exceptional performance, featuring a high bandwidth of 350 MHz and a low quiescent current of 1.0 mA per amplifier. It is designed to operate within a wide supply voltage range of 3 V to 12 V, making it versatile for various applications where power and space are critical.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (G = +1, VO = 0.2 V p-p) | 275 | 300 | - | MHz |
| Slew Rate (G = +1, VO = 2 V step, RL = 2 kΩ) | 340 | 365 | - | V/μs |
| Input Offset Voltage | - | - | 3 | mV |
| Input Noise Voltage | - | 8 | - | nV/√Hz |
| Input Bias Current | - | 600 | - | fA/√Hz |
| Supply Voltage Range | 3 | - | 12 | V |
| Quiescent Current per Amplifier | 0.9 | 1.0 | 1.5 | mA |
| Common-Mode Rejection Ratio | 59 | 65 | - | dB |
| Output Voltage Swing (RL = 2 kΩ) | 0.9 | - | 4.1 | V |
Key Features
- High-speed operation with a bandwidth of 350 MHz.
- Low quiescent current of 1.0 mA per amplifier.
- Wide supply voltage range from 3 V to 12 V.
- Low input offset voltage of 3 mV maximum.
- High slew rate of 425 V/μs.
- Low noise operation with 8 nV/√Hz and 600 fA/√Hz.
- Small packaging options including 8-lead SOT-23, 5-lead SC70, and 8-lead SOIC.
- Disable feature available in the 8-lead SOIC package.
- High input common-mode range and output swing close to the rails.
- Optimized for driving capacitive loads up to 15 pF.
Applications
- Battery-powered instrumentation.
- Filters and A/D drivers.
- Level shifting and buffering.
- Photo multipliers.
Q & A
- What is the bandwidth of the AD8038 amplifier?
The bandwidth of the AD8038 amplifier is 350 MHz for a gain of +1 and an output voltage of 0.2 V p-p.
- What is the typical quiescent current per amplifier for the AD8038?
The typical quiescent current per amplifier for the AD8038 is 1.0 mA.
- What is the supply voltage range for the AD8038?
The supply voltage range for the AD8038 is from 3 V to 12 V.
- What is the input offset voltage of the AD8038?
The input offset voltage of the AD8038 is 3 mV maximum.
- Does the AD8038 have a disable feature?
Yes, the AD8038 in the 8-lead SOIC package has a disable feature.
- What is the slew rate of the AD8038?
The slew rate of the AD8038 is 425 V/μs for a gain of +1 and an output voltage step of 2 V.
- What are the packaging options for the AD8038?
The AD8038 is available in 8-lead SOT-23, 5-lead SC70, and 8-lead SOIC packages.
- What is the common-mode rejection ratio of the AD8038?
The common-mode rejection ratio of the AD8038 is 65 dB.
- What are some typical applications of the AD8038?
The AD8038 is typically used in battery-powered instrumentation, filters, A/D drivers, level shifting, buffering, and photo multipliers.
- How much capacitive load can the AD8038 drive?
The AD8038 is optimized for driving capacitive loads up to 15 pF.
