Overview
The AD843SQ/883B is a high-performance operational amplifier produced by Analog Devices Inc. This device is part of the AD843 family, known for its fast settling time and wide bandwidth. The AD843SQ/883B is specifically rated for military temperature ranges, making it suitable for demanding and high-reliability applications. It combines the benefits of low input bias currents characteristic of FET input amplifiers with high bandwidth and fast settling times, making it ideal for various high-speed and precision applications.
Key Specifications
| Parameter | Value |
|---|---|
| Unity Gain Bandwidth | 34 MHz |
| Settling Time (to 0.01% for a 10V step) | 135 ns |
| Slew Rate | 250 V/μs |
| Input Offset Voltage | 1 mV max (AD843K/B) |
| Input Bias Current | 0.6 nA typ |
| Input Voltage Noise | 19 nV/√Hz |
| Open Loop Gain | 30 V/mV into a 500 Ω Load |
| Output Current | 50 mA min |
| Supply Current | 13 mA max |
| Operating Temperature Range | –55°C to +125°C |
| Package Types | 8-Pin Cerdip, 16-Pin SOIC, 20-Pin LCC, 12-Pin Hermetic Metal Can |
Key Features
- Fast settling time of 135 ns to within 0.01% of the final value for a 10V step.
- High bandwidth of 34 MHz.
- Low input bias current of 0.6 nA.
- High slew rate of 250 V/μs.
- No external compensation required.
- Stable at gains of 1 or greater.
- Full power bandwidth of 3.9 MHz.
- Available in various package types including 8-Pin Cerdip, 16-Pin SOIC, 20-Pin LCC, and 12-Pin Hermetic Metal Can.
Applications
- High-speed sample-and-hold amplifiers.
- High-speed integrators.
- High-bandwidth active filters.
- High-frequency signal conditioning circuits.
- Military and aerospace applications due to its military temperature rating.
Q & A
- What is the unity gain bandwidth of the AD843SQ/883B?
The unity gain bandwidth of the AD843SQ/883B is 34 MHz. - What is the settling time of the AD843SQ/883B for a 10V step?
The settling time is 135 ns to within 0.01% of the final value. - What is the slew rate of the AD843SQ/883B?
The slew rate is 250 V/μs. - What is the input bias current of the AD843SQ/883B?
The input bias current is 0.6 nA typical. - Does the AD843SQ/883B require external compensation?
No, the AD843SQ/883B does not require external compensation. - What are the operating temperature ranges for the AD843SQ/883B?
The operating temperature range is –55°C to +125°C. - In what package types is the AD843SQ/883B available?
The AD843SQ/883B is available in 8-Pin Cerdip, 16-Pin SOIC, 20-Pin LCC, and 12-Pin Hermetic Metal Can packages. - What are some typical applications of the AD843SQ/883B?
Typical applications include high-speed sample-and-hold amplifiers, high-speed integrators, high-bandwidth active filters, and high-frequency signal conditioning circuits. - Is the AD843SQ/883B suitable for military applications?
Yes, the AD843SQ/883B is rated for military temperature ranges and is suitable for military and aerospace applications. - What is the full power bandwidth of the AD843SQ/883B?
The full power bandwidth is 3.9 MHz.
