Overview
The AD8610ARM-R2, produced by Analog Devices Inc., is a high-precision, very low noise, and low input bias current operational amplifier. This device is part of the AD8610 series, which includes single (AD8610) and dual (AD8620) versions. The AD8610 is manufactured using Analog Devices' XFCB (eXtra fast complementary bipolar) process, which is fully dielectrically isolated and utilizes N-channel JFET technology along with thin film resistors to achieve high precision and low noise characteristics.
The AD8610ARM-R2 is particularly noted for its ultralow offset voltage, very low input voltage and current noise, and wide bandwidth, making it ideal for various high-performance applications.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Input Noise Voltage | 6 nV/√Hz | - | - |
| Offset Voltage | - | 80 μV | 350 μV |
| Input Bias Current | - | -10 pA | 10 pA |
| Settling Time (0.01% accuracy) | 600 ns | - | - |
| Slew Rate | 50 V/μs | - | - |
| Common-Mode Rejection Ratio (CMRR) | - | 90 dB | 110 dB |
| Large Signal Voltage Gain (AVO) | - | 100 V/mV | 200 V/mV |
| Output Voltage High (VOH) @ 1 kΩ load | - | +11.75 V | +11.84 V |
| Output Voltage Low (VOL) @ 1 kΩ load | - | -11.84 V | -11.75 V |
| Supply Current per Amplifier (ISY) | - | 3.0 mA | 4.0 mA |
Key Features
- Low noise: 6 nV/√Hz
- Low offset voltage: 100 μV maximum
- Low input bias current: 10 pA maximum
- Fast settling time: 600 ns to 0.01% accuracy
- Low distortion and unity gain stability
- No phase reversal
- Dual-supply operation: ±5 V to ±13 V
- High output drive and slew rate of 50 V/μs
- Stable with capacitive loads over 1000 pF in noninverting unity gain
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
- Driving high-performance ADC inputs and buffering DAC converter outputs
Q & A
- What is the typical input noise voltage of the AD8610?
The typical input noise voltage of the AD8610 is 6 nV/√Hz.
- What is the maximum offset voltage for the AD8610?
The maximum offset voltage for the AD8610 is 100 μV.
- What is the maximum input bias current of the AD8610?
The maximum input bias current of the AD8610 is 10 pA.
- How quickly does the AD8610 settle to 0.01% accuracy?
The AD8610 settles to 0.01% accuracy in less than 600 ns.
- What is the slew rate of the AD8610?
The slew rate of the AD8610 is 50 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8610?
The CMRR of the AD8610 is between 90 dB and 110 dB.
- What are the output voltage ranges for the AD8610 with a 1 kΩ load?
The output voltage high (VOH) is between +11.75 V and +11.84 V, and the output voltage low (VOL) is between -11.84 V and -11.75 V with a 1 kΩ load.
- What are some typical applications of the AD8610?
The AD8610 is used in electronic instruments, ATE amplification and buffering, medical instrumentation, photodiode amplification, fast precision filters, and high-quality audio applications.
- What is the supply current per amplifier for the AD8610?
The supply current per amplifier for the AD8610 is between 3.0 mA and 4.0 mA.
- Is the AD8610 stable with capacitive loads?
Yes, the AD8610 is stable with capacitive loads of over 1000 pF in noninverting unity gain and can drive larger capacitive loads at higher gains.
