Overview
The AD585JP, produced by Analog Devices Inc., is a high-speed, precision sample-and-hold amplifier designed for accurate and reliable signal acquisition. This monolithic sample-and-hold circuit integrates a high-performance operational amplifier, an ultralow leakage analog switch, and a FET input integrating amplifier. The device is optimized for high-speed data acquisition systems, particularly those requiring fast acquisition times, low sample-to-hold offset, and minimal droop.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 1 Channel |
| Acquisition Time (10 V Step to 0.01%) | 3 µs |
| Supply Voltage - Max | +/- 15 V |
| Supply Voltage - Min | +/- 10.8 V / 5 V |
| Minimum Operating Temperature | -55°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Height | 3.69 mm (Min) |
| Length | 8.97 mm |
| Width | 8.97 mm |
| Unit Weight | 0.025468 oz |
| Aperture Time (20 V p-p Input, HOLD 0 V) | 35 ns |
| Aperture Jitter (20 V p-p Input, HOLD 0 V) | 0.5 ns |
| Droop Rate | 1 mV/ms |
Key Features
- High slew rate and bandwidth, enabling fast signal acquisition.
- Single circuit design for accurate signal acquisition.
- Low input bias current and input offset voltage.
- High supply current for efficient operation.
- Operating temperature range: 0°C to 70°C.
- Surface-mountable 20-LCC (J-Lead) package.
- Fast acquisition time: 3 µs maximum for a 10 V step to 0.01%.
- Low sample-to-hold offset: 3 mV maximum.
- Low droop rate: less than 1 mV/ms.
- Aperture jitter of 0.5 ns, enabling high-frequency signal sampling.
Applications
- Instrumentation applications requiring high-speed signal processing.
- Data acquisition systems, particularly those needing fast acquisition times and low sample-to-hold offset.
- Medical equipment where precise signal handling is crucial.
- Industrial control systems that demand high accuracy and reliability.
Q & A
- What is the AD585JP used for?
The AD585JP is used as a high-speed, precision sample-and-hold amplifier in various applications requiring accurate and reliable signal acquisition. - What is the acquisition time of the AD585JP?
The acquisition time of the AD585JP is 3 µs maximum for a 10 V step to 0.01%. - What is the operating temperature range of the AD585JP?
The operating temperature range of the AD585JP is from -55°C to +125°C. - What package type is the AD585JP available in?
The AD585JP is available in a surface-mountable 20-LCC (J-Lead) package. - What are the key features of the AD585JP?
The key features include high slew rate and bandwidth, low input bias current, high supply current, fast acquisition time, low sample-to-hold offset, and low droop rate. - What applications is the AD585JP suitable for?
The AD585JP is suitable for instrumentation, data acquisition systems, medical equipment, and industrial control systems. - Does the AD585JP have any military-grade versions?
Yes, the AD585JP has versions compliant with MIL-STD-883. - What is the aperture jitter of the AD585JP?
The aperture jitter of the AD585JP is 0.5 ns. - How does the AD585JP handle high-frequency signals?
The AD585JP can sample full-scale (20 V peak-to-peak) signals at frequencies up to 78 kHz with minimal aperture jitter. - Can the droop rate of the AD585JP be improved?
Yes, the droop rate can be improved by adding a larger external hold capacitor if lower droop is required.
