Overview
The ADA4610-2ARZ is a precision junction field effect transistor (JFET) dual operational amplifier produced by Analog Devices Inc. This amplifier is renowned for its low input noise voltage, current noise, offset voltage, and input bias current, along with its rail-to-rail output. The ADA4610-2 is specified over an extended industrial temperature range of −40°C to +125°C and is available in 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP packages.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage (B Grade) | VOS | −40°C < TA < +125°C | 0.2 | 0.4 | 0.8 | mV |
| Offset Voltage (A Grade) | VOS | −40°C < TA < +125°C | 0.4 | 1 | 1.8 | mV |
| Offset Voltage Drift (B Grade) | ΔVOS/ΔT | −40°C < TA < +125°C | 0.5 | 4 | - | µV/°C |
| Offset Voltage Drift (A Grade) | ΔVOS/ΔT | −40°C < TA < +125°C | 1 | 8 | - | µV/°C |
| Input Bias Current | IB | −40°C < TA < +125°C | 5 | 25 | 1.5 nA | pA |
| Input Offset Current | IOS | −40°C < TA < +125°C | 2 | 20 | 0.25 nA | pA |
| Supply Voltage | VSY | - | - | ±18 | V | |
| Operating Temperature Range | TA | - | - | −40°C to +125°C | °C | |
| Peak-to-Peak Voltage Noise | en p-p | 0.1 Hz to 10 Hz bandwidth | - | 0.45 | - | µV p-p |
| Voltage Noise Density | en | f = 1 kHz | - | 7.3 | - | nV/√Hz |
| Total Harmonic Distortion + Noise (THD + N) | - | RL = 2 kΩ, VIN = 6 V rms | - | 0.00025% | - | % |
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
- Voltage Noise Density: 7.30 nV/√Hz at f = 1 kHz
- Low THD + N: 0.00025%
- No Phase Reversal: Maintains output stability even when input voltages exceed the maximum common-mode voltage range
- Rail-to-Rail Output: Ensures full 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: Suitable for amplifying high impedance sensors due to its low input bias current and noise
- Precise Current Measurements: Ideal for precise current measurements using shunts
- Medical Instruments: Provides superior accuracy in medical instruments due to its excellent dc precision and low noise
- Electronic Measurement and Automated Test Equipment: Offers high accuracy and reliability in electronic measurement and automated test equipment
- Audio Applications: Low noise and distortion, high output current, and excellent speed make it suitable for audio applications
- Photodiode Amplifier Circuits: Low input bias currents and low noise result in a wide dynamic range for photodiode amplifier circuits
Q & A
- What is the ADA4610-2ARZ?
The ADA4610-2ARZ is a precision JFET dual operational amplifier produced by Analog Devices Inc., known for its low input noise, offset voltage, and input bias current, along with its rail-to-rail output.
- What are the key features of the ADA4610-2ARZ?
Key features include low offset voltage, low offset voltage drift, low input bias current, dual-supply operation, low voltage noise, and rail-to-rail output.
- What are the typical applications of the ADA4610-2ARZ?
Typical applications include high impedance sensor amplification, precise current measurements, medical instruments, electronic measurement, automated test equipment, audio applications, and photodiode amplifier circuits.
- What is the operating temperature range of the ADA4610-2ARZ?
The operating temperature range is −40°C to +125°C.
- What are the available packages for the ADA4610-2ARZ?
The ADA4610-2ARZ is available in 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP packages.
- What is the maximum supply voltage for the ADA4610-2ARZ?
The maximum supply voltage is ±18 V.
- Does the ADA4610-2ARZ suffer from output phase reversal?
No, the ADA4610-2ARZ does not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range.
- What is the typical slew rate of the ADA4610-2ARZ?
The typical slew rate is ±25 V/µs for rising and ±61 V/µs for falling edges.
- What is the gain bandwidth product (GBP) of the ADA4610-2ARZ?
The gain bandwidth product is 16.3 MHz.
- Is the ADA4610-2ARZ unity-gain stable?
