Overview
The AD8038AKSZ-R2 is a low-power, high-speed voltage feedback amplifier produced by Analog Devices Inc. This amplifier is part of the AD8038 and AD8039 series, known for their exceptional performance in low-power and low-cost applications. The AD8038AKSZ-R2 features a high bandwidth of 350 MHz and a slew rate of 425 V/μs, making it suitable for a wide range of applications where power and space are critical.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3 | 12 | V | |
| Quiescent Current per Amplifier | 0.9 | 1.0 | 1.5 | mA |
| 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 Bias Current | 750 | nA | ||
| Input Capacitance | 2 | pF | ||
| Common-Mode Rejection Ratio | 59 | 65 | dB | |
| Operating Temperature | 85 | °C |
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 voltage range: 3 V to 12 V.
- Small packaging: Available in SC-70-5 package.
- Disable feature: Available in the AD8038 model for power-down functionality.
- High input common-mode range: 1 V from either rail.
- Capacitive load drive: Optimized for driving capacitive loads up to 15 pF.
Applications
The AD8038AKSZ-R2 is designed for various applications where power and space are at a premium. These include:
- High-speed data acquisition systems.
- Medical devices requiring low noise and high bandwidth.
- Portable electronics where low power consumption is crucial.
- Aerospace and defense applications requiring compact and reliable amplifiers.
- Industrial control systems needing high-speed signal processing.
Q & A
- What is the typical supply current per amplifier for the AD8038AKSZ-R2?
The typical supply current per amplifier is 1.0 mA.
- What is the bandwidth of the AD8038AKSZ-R2 at a gain of +1?
The bandwidth at a gain of +1 is typically 300 MHz.
- What is the slew rate of the AD8038AKSZ-R2?
The slew rate is typically 365 V/μs.
- What is the input offset voltage of the AD8038AKSZ-R2?
The maximum input offset voltage is 3 mV.
- What is the input bias current of the AD8038AKSZ-R2?
The maximum input bias current is 750 nA.
- What is the operating temperature range for the AD8038AKSZ-R2?
The maximum operating temperature is 85°C.
- Does the AD8038AKSZ-R2 have a power-down disable feature?
Yes, the AD8038 model has a power-down disable feature, but it is not available in all packages.
- What is the common-mode rejection ratio of the AD8038AKSZ-R2?
The common-mode rejection ratio is typically 65 dB.
- Can the AD8038AKSZ-R2 drive capacitive loads?
Yes, it is optimized for driving capacitive loads up to 15 pF.
- What is the package type for the AD8038AKSZ-R2?
The AD8038AKSZ-R2 is available in the SC-70-5 package.
