Overview
The AD827SQ/883B is a high-speed, low-power dual operational amplifier (op amp) produced by Analog Devices Inc. It is a dual version of the industry-standard AD847 op amp, offering high-speed performance at a low cost. This device is designed to operate with supply voltages ranging from ±5 V to ±15 V and is particularly suited for applications requiring fast settling times and excellent video performance.
Key Specifications
| Parameter | Value |
|---|---|
| Unity Gain Bandwidth | 50 MHz |
| Slew Rate | 300 V/µs |
| Settling Time (0.1%) | 120 ns |
| Input Offset Voltage | 2 mV max |
| Input Offset Voltage Drift | 15 mV/°C |
| Common-Mode Rejection Ratio (CMRR) | 80 dB min |
| Power Supply Rejection Ratio (PSRR) | Better than 20 dB at 1 MHz |
| Total Supply Current | 10 mA for both amplifiers |
| Operating Temperature Range | –55°C to +125°C (AD827SQ/883B) |
| Package Options | 8-lead plastic mini-DIP, cerdip, 16-lead SOIC, 20-lead LCC |
Key Features
- High-speed operation with 50 MHz unity-gain bandwidth and 300 V/µs slew rate.
- Low power consumption with a total supply current of 10 mA for both amplifiers.
- Excellent video performance with 0.04% differential gain and 0.19° differential phase error at 4.4 MHz.
- Ability to drive unlimited capacitive loads and 50 Ω and 75 Ω reverse-terminated loads.
- Good DC performance with low input offset voltage and drift.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR).
Applications
- Video applications: The AD827 is ideal for driving coaxial cables with minimal differential gain and phase errors, making it suitable for various video systems.
- High-speed data conversion systems: It serves as an input buffer for 8-bit to 10-bit A/D converters and as an output amplifier for high-speed D/A converters.
- Active filters: The high bandwidth makes it an ideal candidate for multistage active filters.
- General-purpose high-speed amplification: Suitable for any application requiring fast settling times and low power consumption.
Q & A
- What is the unity-gain bandwidth of the AD827SQ/883B?
The unity-gain bandwidth of the AD827SQ/883B is 50 MHz. - What is the slew rate of the AD827SQ/883B?
The slew rate of the AD827SQ/883B is 300 V/µs. - What is the settling time of the AD827SQ/883B?
The settling time of the AD827SQ/883B is 120 ns to 0.1%. - What are the input offset voltage and drift of the AD827SQ/883B?
The input offset voltage is 2 mV max, and the input offset voltage drift is 15 mV/°C. - What is the common-mode rejection ratio (CMRR) of the AD827SQ/883B?
The CMRR is a minimum of 80 dB. - Can the AD827SQ/883B drive capacitive loads?
Yes, the AD827SQ/883B can drive unlimited capacitive loads. - What are the operating temperature ranges for the AD827SQ/883B?
The operating temperature range for the AD827SQ/883B is –55°C to +125°C. - What package options are available for the AD827SQ/883B?
The AD827SQ/883B is available in 8-lead plastic mini-DIP, cerdip, 16-lead SOIC, and 20-lead LCC packages. - What is the total supply current for both amplifiers in the AD827SQ/883B?
The total supply current for both amplifiers is 10 mA. - Is the AD827SQ/883B suitable for video applications?
Yes, the AD827SQ/883B is ideal for video applications due to its excellent video performance characteristics.
