Overview
The AD8620ARZ-REEL7, produced by Analog Devices Inc., is a precision, very low noise, low input bias current, and wide bandwidth JFET operational amplifier. This dual-channel amplifier is part of the AD8610/AD8620 family, manufactured using the XFCB (eXtra fast complementary bipolar) process, which is fully dielectrically isolated and utilizes N-channel JFET technology along with thin film resistors. This design ensures high precision, low noise, and fast settling times, making it ideal for various high-performance applications.
Key Specifications
| Parameter | Typical Value | Minimum | Maximum |
|---|---|---|---|
| Input Noise Voltage | 6 nV/√Hz | - | - |
| Offset Voltage (AD8620B) | 80 μV | 45 μV | 150 μV |
| Input Bias Current | 10 pA | -10 pA | 10 pA |
| Slew Rate | 50 V/μs | 40 V/μs | 60 V/μs |
| Settling Time to 0.01% | 600 ns | - | - |
| Output Voltage High (RL = 1 kΩ) | +11.75 V | +11.75 V | +11.84 V |
| Output Voltage Low (RL = 1 kΩ) | -11.84 V | -11.84 V | -11.75 V |
| Supply Current per Amplifier | 3.5 mA | 3.0 mA | 4.0 mA |
| Power Supply Rejection Ratio (PSRR) | 110 dB | 100 dB | 110 dB |
Key Features
- Low noise: 6 nV/√Hz
- Low offset voltage: 100 μV maximum
- Low input bias current: 10 pA maximum
- Fast settling: 600 ns to 0.01%
- Low distortion
- Unity gain stable, no phase reversal
- Dual-supply operation
- High input impedance and very high output drive
- Stable with capacitive loads over 1000 pF in noninverting unity gain
- Outputs slew at 50 V/μs in either inverting or noninverting gain configurations
Applications
- Electronic instruments
- ATE (Automated Test Equipment) amplification, buffering, and integrator circuits
- CAT/MRI/ultrasound medical instrumentation
- Instrumentation quality photodiode amplification
- Fast precision filters (including PLL filters)
- High quality audio
- Driving high performance ADC inputs and buffering DAC converter outputs
Q & A
- What is the typical input noise voltage of the AD8620ARZ-REEL7?
The typical input noise voltage is 6 nV/√Hz.
- What is the maximum offset voltage for the AD8620B?
The maximum offset voltage for the AD8620B is 150 μV.
- What is the input bias current of the AD8620ARZ-REEL7?
The input bias current is 10 pA maximum.
- How fast does the AD8620ARZ-REEL7 settle to 0.01% accuracy?
The AD8620ARZ-REEL7 settles to 0.01% accuracy in less than 600 ns.
- What is the slew rate of the AD8620ARZ-REEL7?
The slew rate is 50 V/μs.
- Is the AD8620ARZ-REEL7 stable with capacitive loads?
Yes, it is stable with capacitive loads over 1000 pF in noninverting unity gain.
- What are the typical output voltage ranges for the AD8620ARZ-REEL7?
The output voltage ranges are +11.75 V to +11.84 V for high and -11.84 V to -11.75 V for low, with a 1 kΩ load.
- What is the power supply rejection ratio (PSRR) of the AD8620ARZ-REEL7?
The PSRR is 110 dB.
- What are some common applications of the AD8620ARZ-REEL7?
Common applications include electronic instruments, ATE amplification, medical instrumentation, photodiode amplification, precision filters, and high quality audio.
- What is the operating temperature range for the AD8620ARZ-REEL7?
The operating temperature range is -40°C to +125°C.
