Overview
The AD711KR, produced by Analog Devices Inc., is a high-speed, precision monolithic operational amplifier that offers excellent overall performance at competitive prices. It is designed using advanced processing technology and undergoes 100% testing to ensure low input offset voltage and minimal drift. This op amp is particularly suited for applications requiring a combination of superior AC and DC performance, such as in active filters, DAC and ADC buffers, and high-speed integrators.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Input Offset Voltage | 0.25 mV max (C grade), 2 mV max (J grade) | Specified in warmed-up condition |
| Offset Voltage Drift | 3 µV/°C max (AD711C) | Laser wafer drift trimming process |
| Slew Rate | 16 V/ms | 100% tested minimum |
| Settling Time | 1 ms to ±0.01% | For a 10 V output step |
| Noise | 4 µV p-p, 0.1 Hz to 10 Hz (AD711C) | Guaranteed and tested maximum voltage noise |
| Common-Mode Rejection Ratio | 88 dB | |
| Open Loop Gain | 400 V/mV | |
| Operating Temperature Range | 0°C to 70°C (J/K grades), –40°C to +85°C (A/B/C grades), –55°C to +125°C (S/T grades) | |
| Supply Voltage | ±15 V | |
| Quiescent Current | 2.5 mA to 3.4 mA | Depending on the grade |
Key Features
- High-speed operation with a slew rate of 16 V/ms and settling time of 1 ms to ±0.01%
- Low input offset voltage and drift due to advanced laser wafer trimming technology
- Excellent dynamic response, making it ideal for DAC and ADC buffers and high-speed integrators
- Low noise performance with a maximum voltage noise of 4 µV p-p, 0.1 Hz to 10 Hz
- High common-mode rejection ratio of 88 dB and open loop gain of 400 V/mV
- Available in various packages including plastic mini-DIP, plastic SOIC, hermetic cerdip, and hermetic metal can
- Extended reliability PLUS screening available, including 168-hour burn-in and other environmental and physical tests
Applications
- Active filter applications due to its superior AC and DC performance
- High-speed integrators
- Photo diode preamps due to excellent noise performance and low input current
- Unity gain buffer circuits requiring high-speed performance
Q & A
- What is the input offset voltage of the AD711KR?
The input offset voltage of the AD711KR is 0.25 mV max for the C grade and 2 mV max for the J grade, specified in the warmed-up condition.
- What is the slew rate of the AD711KR?
The slew rate of the AD711KR is 16 V/ms.
- How long does the AD711KR take to settle to ±0.01%?
The AD711KR settles to ±0.01% in 1 ms for a 10 V output step.
- What is the common-mode rejection ratio of the AD711KR?
The common-mode rejection ratio of the AD711KR is 88 dB.
- What are the operating temperature ranges for the AD711KR?
The operating temperature ranges for the AD711KR are 0°C to 70°C for J/K grades, –40°C to +85°C for A/B/C grades, and –55°C to +125°C for S/T grades.
- What packages is the AD711KR available in?
The AD711KR is available in plastic mini-DIP, plastic SOIC, hermetic cerdip, and hermetic metal can packages.
- Is the AD711KR suitable for high-speed unity gain buffer circuits?
Yes, the AD711KR is suitable for high-speed unity gain buffer circuits due to its high common-mode rejection ratio and open loop gain.
- What is the quiescent current of the AD711KR?
The quiescent current of the AD711KR ranges from 2.5 mA to 3.4 mA depending on the grade.
- Does the AD711KR undergo any special reliability testing?
Yes, the AD711KR can undergo extended reliability PLUS screening, which includes 168-hour burn-in and other environmental and physical tests.
- What is the maximum voltage noise of the AD711KR?
The maximum voltage noise of the AD711KR is 4 µV p-p, 0.1 Hz to 10 Hz for the C grade.
