Overview
The ADA4610-2ARMZ-R7, produced by Analog Devices Inc., is a precision junction field effect transistor (JFET) operational amplifier. This component is part of the ADA4610 family, which includes single, dual, and quad amplifier configurations. The ADA4610-2 specifically is a dual amplifier, known for its low input noise voltage, current noise, offset voltage, and input bias current. It features rail-to-rail output and is designed for high precision applications requiring excellent DC accuracy, low noise, and fast settling times.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | B Grade | 0.2 | 0.4 | 0.8 | mV |
| Offset Voltage Drift | ΔVOS/ΔT | B Grade | 0.5 | 2 | - | µV/°C |
| Input Bias Current | IB | - | 5 | 25 | 1.50 | pA |
| Input Offset Current | IOS | - | 2 | 20 | 0.25 | pA |
| Input Voltage Range | - | -12.5 to +12.5 V | - | - | - | V |
| Common-Mode Rejection Ratio (CMRR) | CMRR | VCM = -12.5 V to +12.5 V | 100 | 115 | 96 | dB |
| Large Signal Voltage Gain (AVO) | AVO | RL = 2 kΩ, VOUT = ±13.5 V | 104 | 107 | 91 | dB |
| Output Voltage High (VOH) | VOH | RL = 2 kΩ | 14.80 | 14.90 | 14.65 | V |
| Output Voltage Low (VOL) | VOL | RL = 2 kΩ | -14.90 | -14.85 | -14.75 | V |
| Voltage Noise Density (en) | en | f = 1 kHz | - | 7.3 | - | nV/√Hz |
Key Features
- Low offset voltage: B grade up to 0.4 mV maximum, A grade up to 1 mV maximum.
- Low offset voltage drift: B grade up to 2 µV/°C, A grade up to 8 µV/°C.
- Very 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 and rail-to-rail output.
- Fast settling time and stability with capacitive loads.
- Unity-gain stable and low distortion (THD + noise): 0.00006% at 1 kHz).
Applications
- Medical instruments: Due to its high precision and low noise, it is suitable for medical devices requiring accurate measurements).
- Electronic measurement: Ideal for precise current measurements using shunts and high impedance sensor amplification).
- Automated test equipment: Provides superior accuracy and fast settling times, making it suitable for automated testing).
- Precision current measurement: Low input bias current and high precision make it ideal for current measurements).
- Photodiode amplifiers and sensors: Suitable for applications requiring low noise and high accuracy).
- Audio and multipole filters: Its low distortion and stability with capacitive loads make it a good fit for audio and filter applications).
Q & A
- What is the ADA4610-2ARMZ-R7?
The ADA4610-2ARMZ-R7 is a dual precision junction field effect transistor (JFET) operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4610-2?
Key features include low offset voltage, low offset voltage drift, very low input bias current, dual-supply operation, low voltage noise, and rail-to-rail output.
- What is the typical input bias current of the ADA4610-2?
The typical input bias current is 5 pA.
- What is the common-mode rejection ratio (CMRR) of the ADA4610-2?
The CMRR is 100 dB to 115 dB for VCM = -12.5 V to +12.5 V.
- What are the typical applications of the ADA4610-2?
Typical applications include medical instruments, electronic measurement, automated test equipment, precision current measurement, photodiode amplifiers, and sensors.
- Does the ADA4610-2 suffer from output phase reversal?
No, the ADA4610-2 does not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range.
- What is the voltage noise density of the ADA4610-2 at 1 kHz?
The voltage noise density at 1 kHz is 7.3 nV/√Hz.
- Is the ADA4610-2 stable with capacitive loads?
Yes, the ADA4610-2 maintains fast settling performance and stability with substantial capacitive loads.
- What is the total harmonic distortion (THD) + noise of the ADA4610-2?
The THD + noise is 0.00006% at 1 kHz.
- What is the operating temperature range of the ADA4610-2?
The operating temperature range is -40°C to +125°C.
