Overview
The AD8620AR-REEL7, produced by Analog Devices Inc., is a precision, very low noise, low input bias current operational amplifier. This device is part of the AD8620 series, known for its high performance and versatility in various applications. The AD8620 is manufactured using Analog Devices' XFCB (eXtra fast complementary bipolar) process, which incorporates N-channel JFET technology and thin film resistors to achieve high precision and low noise characteristics.
Key Specifications
| Parameter | Value |
|---|---|
| Input Bias Current | 10 pA maximum |
| Offset Voltage | 100 μV maximum |
| Offset Voltage Drift | 0.5 to 1.5 μV/°C (AD8620B), 0.8 to 3.5 μV/°C (AD8620A) |
| Supply Voltage | ±5 V to ±13 V |
| Supply Current per Amplifier | 3.0 to 4.0 mA |
| Output Voltage High | +11.75 V (RL = 1 kΩ) |
| Output Voltage Low | −11.84 V (RL = 1 kΩ) |
| Output Current | ±45 mA |
| Short-Circuit Current | ±65 mA |
| Slew Rate | 40 to 60 V/μs |
| Gain Bandwidth Product | Not specified in this context, but typically high for this series |
| Operating Temperature | −40°C to +125°C |
| Package | 8-SOIC (0.154, 3.90mm Width) |
Key Features
- Low noise: 6 nV/√Hz
- Low offset voltage and offset voltage drift
- Low input bias current: 10 pA maximum
- Fast settling time: 600 ns to 0.01%
- High slew rate: 50 V/μs
- Unity gain stable and no phase reversal
- Dual-supply operation and high output drive capability
- Stable with large capacitive loads
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 applications
Q & A
- What is the input bias current of the AD8620AR-REEL7?
The input bias current is 10 pA maximum. - What is the offset voltage of the AD8620AR-REEL7?
The offset voltage is 100 μV maximum. - What is the slew rate of the AD8620AR-REEL7?
The slew rate is 40 to 60 V/μs. - What are the operating supply voltages for the AD8620AR-REEL7?
The operating supply voltages range from ±5 V to ±13 V. - What is the maximum output current of the AD8620AR-REEL7?
The maximum output current is ±45 mA. - What is the short-circuit current of the AD8620AR-REEL7?
The short-circuit current is ±65 mA. - What are the typical applications of the AD8620AR-REEL7?
Typical applications include electronic instruments, ATE amplification, medical instrumentation, photodiode amplification, precision filters, and high quality audio. - What is the operating temperature range of the AD8620AR-REEL7?
The operating temperature range is −40°C to +125°C. - What package type is the AD8620AR-REEL7 available in?
The AD8620AR-REEL7 is available in an 8-SOIC package. - Is the AD8620AR-REEL7 stable with capacitive loads?
Yes, the AD8620AR-REEL7 is stable with capacitive loads of over 1000 pF in noninverting unity gain configurations.
