Overview
The ADA4610-2ARZ-RL, produced by Analog Devices Inc., is a precision junction field effect transistor (JFET) dual operational amplifier. This device is renowned for its low input noise voltage, current noise, offset voltage, and input bias current, making it highly suitable for applications requiring high precision and low noise. The ADA4610-2 operates over an extended industrial temperature range of −40°C to +125°C and is available in various packages, including 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | B Grade | 0.2 | 0.4 | - | mV |
| Input Bias Current | IB | - | - | 5 | pA | |
| Input Resistance | - | VCM = 0 V | - | - | >1013 | Ω |
| Common-Mode Rejection Ratio (CMRR) | CMRR | VCM = −2.5 V to +2.5 V | 86 | 94 | 110 | dB |
| Power Supply Rejection Ratio (PSRR) | PSRR | VSY = ±4.5 V to ±18 V | 103 | 106 | 125 | dB |
| Output Voltage High | VOH | RL = 2 kΩ | 4.60 | 4.85 | 4.90 | V |
| Output Voltage Low | VOL | RL = 2 kΩ | -4.95 | -4.90 | -4.75 | V |
| Slew Rate | SR | RL = 2 kΩ | -61 | - | +172 | V/μs |
| Phase Margin | φM | AV = +1, RL = 2 kΩ, CL = 100 pF | - | - | 61 | Degrees |
| Closed-Loop Bandwidth | - | AV = +1, VIN = 5 mV p-p | - | - | 9.3 | MHz |
| Total Harmonic Distortion (THD) + Noise | THD + N | 1 kHz, AV = +1, RL = 2 kΩ, VIN = 1 V rms | - | - | 0.00025% | % |
| Voltage Noise Density | en | f = 1 kHz | - | - | 7.30 | nV/√Hz |
Key Features
- Low Offset Voltage: B grade: 0.4 mV maximum, A grade: 1 mV maximum.
- Low Offset Voltage Drift: B grade: 2 µV/°C maximum, A grade: 8 µV/°C maximum.
- Low Input Bias Current: 5 pA typical.
- Dual-Supply Operation: ±5 V to ±15 V.
- Low Voltage Noise: 0.45 µV p-p at 0.1 Hz to 10 Hz.
- No Phase Reversal: Ensures stable operation even when input voltages exceed the maximum common-mode voltage range.
- Rail-to-Rail Output: High output voltage range.
- Unity-Gain Stable: Stable in unity-gain configurations.
- Fast Settling Time: Maintains fast settling performance with substantial capacitive loads.
Applications
- High Impedance Sensor Amplification: Ideal for amplifying signals from high impedance sensors due to its low input bias current and noise.
- Precise Current Measurements: Suitable for precise current measurements using shunts.
- Medical Instruments: Excellent dc precision, low noise, and fast settling time make it suitable for medical instruments.
- Electronic Measurement and Automated Test Equipment: Provides superior accuracy in these applications.
- High Performance Filters: Fast slew rate and stability with capacitive loads make it ideal for high performance filters.
- Audio Applications: Low noise and distortion, high output current, and excellent speed make it great for audio applications.
- Photodiode Amplifier Circuits: Low input bias currents, low offset, and low noise result in a wide dynamic range for photodiode amplifier circuits.
Q & A
- What is the ADA4610-2ARZ-RL?
The ADA4610-2ARZ-RL is a precision JFET dual operational amplifier produced by Analog Devices Inc..
- What are the key features of the ADA4610-2ARZ-RL?
Key features include low offset voltage, low input bias current, low voltage noise, rail-to-rail output, and no phase reversal.
- What is the operating temperature range of the ADA4610-2ARZ-RL?
The operating temperature range is −40°C to +125°C.
- What are the typical applications of the ADA4610-2ARZ-RL?
Typical applications include high impedance sensor amplification, precise current measurements, medical instruments, electronic measurement, automated test equipment, high performance filters, audio applications, and photodiode amplifier circuits.
- What is the input bias current of the ADA4610-2ARZ-RL?
The input bias current is typically 5 pA.
- Does the ADA4610-2ARZ-RL suffer from phase reversal?
No, the ADA4610-2ARZ-RL does not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range.
- What is the slew rate of the ADA4610-2ARZ-RL?
The slew rate is ±172 V/μs.
- What is the closed-loop bandwidth of the ADA4610-2ARZ-RL?
The closed-loop bandwidth is 9.3 MHz at a gain of +1.
- What is the total harmonic distortion (THD) + noise of the ADA4610-2ARZ-RL?
The THD + noise is 0.00025% at 1 kHz, AV = +1, RL = 2 kΩ, VIN = 1 V rms.
- What are the available packages for the ADA4610-2ARZ-RL?
The ADA4610-2ARZ-RL is available in 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP packages.
