Overview
The AD825AR-REEL7 is a high-performance operational amplifier produced by Analog Devices Inc. This component is optimized for high speed, low cost, and excellent DC parameters, making it suitable for a wide range of signal conditioning and data acquisition applications. The AD825AR-REEL7 features a J-FET input stage with ultralow input bias current and input current noise, ensuring stable gain under varying load conditions and no phase reversal when the input is at the rail.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD825AR-REEL7 |
| Manufacturer | Analog Devices Inc. |
| Description | Precision Amplifiers General Purpose High Speed JFET |
| Package / Case | 16-SOIC (0.295, 7.50mm Width) |
| Number of Pins | 16 |
| Operating Temperature | -40°C to 85°C |
| Number of Channels | 1 |
| Operating Supply Current | 6.5 mA |
| Quiescent Current | 7.2 mA |
| Slew Rate | 140 V/μs |
| Amplifier Type | J-FET |
| Common Mode Rejection Ratio | 80 dB |
| Current - Input Bias | 15 pA |
| Voltage - Supply, Single/Dual (±) | 10 V to 36 V, ±5 V to ±18 V |
| Output Current per Channel | 50 mA |
| Input Offset Voltage (Vos) | 1 mV |
| Gain Bandwidth Product | 26 MHz |
| Power Supply Rejection Ratio (PSRR) | 76 dB |
| -3 dB Bandwidth | 46 MHz |
| Input Capacitance | 6 pF |
Key Features
- High Speed and Low Distortion: The AD825AR-REEL7 offers a high slew rate of 140 V/μs and a gain bandwidth product of 26 MHz, making it suitable for high-speed applications. It also features low distortion, with -76 dB at 1 MHz.
- Low Input Bias Current: The J-FET input stage has an ultralow input bias current of 15 pA, reducing noise and ensuring high accuracy in signal conditioning.
- High Output Drive Capability: The amplifier can drive unlimited capacitance loads and provides a minimum output current of 50 mA, ensuring robust output performance.
- Stable Gain Under Varying Load Conditions: The AD825AR-REEL7 maintains stable gain even under varying load conditions, enhancing its reliability in diverse applications.
- No Phase Reversal: Signals that go to either rail do not cause phase reversals at the output, ensuring consistent output behavior.
Applications
- CCDs and Imaging Systems: The AD825AR-REEL7 is used in charge-coupled device (CCD) applications due to its high speed and low noise characteristics.
- Low Distortion Filters and Mixed Gain Stages: Its high bandwidth and low distortion make it ideal for filter circuits and mixed gain stages in various signal processing applications.
- Audio Systems: The amplifier is suitable for commercial audio systems where high fidelity and low distortion are critical.
- Photo Detector Interfaces and ADC/DAC Buffers: It is used in photo detector interfaces and as input buffers for analog-to-digital converters (ADCs) and output buffers for digital-to-analog converters (DACs) due to its high accuracy and stability).
Q & A
- What is the operating temperature range of the AD825AR-REEL7?
The operating temperature range is -40°C to 85°C.
- What is the slew rate of the AD825AR-REEL7?
The slew rate is 140 V/μs.
- What is the input bias current of the AD825AR-REEL7?
The input bias current is 15 pA.
- What is the gain bandwidth product of the AD825AR-REEL7?
The gain bandwidth product is 26 MHz.
- Can the AD825AR-REEL7 drive unlimited capacitance loads?
Yes, it can drive unlimited capacitance loads.
- What is the output current per channel of the AD825AR-REEL7?
The output current per channel is 50 mA.
- What are some common applications of the AD825AR-REEL7?
Common applications include CCDs, low distortion filters, mixed gain stages, audio systems, photo detector interfaces, and ADC/DAC buffers.
- What is the power supply rejection ratio (PSRR) of the AD825AR-REEL7?
The PSRR is 76 dB.
- Does the AD825AR-REEL7 have phase reversal issues when the input is at the rail?
No, it does not cause phase reversals when the input is at the rail.
- What is the package type of the AD825AR-REEL7?
The package type is 16-SOIC (0.295, 7.50mm Width).
