Overview
The ADA4610-2BRZ is a precision dual operational amplifier produced by Analog Devices Inc. This device is part of the ADA4610 series, which includes single, dual, and quad amplifier configurations. The ADA4610-2BRZ is specifically designed for applications requiring high precision, low noise, and low input bias current. It features a junction field-effect transistor (JFET) input stage, which provides excellent dc precision and fast settling times, making it suitable for a wide range of applications including medical instruments, electronic measurement, and automated test equipment.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | 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 | 4 | - | µV/°C |
| Input Bias Current | IB | - | 5 | 25 | 1.50 | pA/nA |
| Input Offset Current | IOS | - | 2 | 20 | 0.25 | pA/nA |
| 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 |
| Input Capacitance | - | VCM = 0 V | - | - | - | pF |
| Differential Input Capacitance | - | - | 3.1 | - | - | pF |
| Common-Mode Input Capacitance | - | - | 4.8 | - | - | pF |
| Input Resistance | - | VCM = 0 V | - | - | >1013 | Ω |
| 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 |
Key Features
- Low Offset Voltage: B grade: 0.4 mV maximum, A grade: 1 mV maximum
- Low Offset Voltage Drift: B grade: 4 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: 7.3 nV/√Hz at f = 1 kHz
- Low Distortion (THD + Noise): 0.00006% at 1 kHz, AV = +1, RL = 2 kΩ, VIN = 1 V rms
- No Phase Reversal: Ensures stable operation without phase reversal
- Rail-to-Rail Output: Output voltage range extends to the supply rails
- Unity-Gain Stable: Stable in unity-gain configurations
Applications
- Instrumentation: Precision measurement and data acquisition systems
- Medical Instruments: High-precision medical devices requiring low noise and low offset voltage
- Multipole Filters: Active filter circuits requiring high precision and low noise
- Precision Current Measurement: Using shunts for accurate current measurements
- Photodiode Amplifiers: Amplifying signals from photodiodes in various optical applications
- Sensors: Amplifying signals from high-impedance sensors
- Audio: High-fidelity audio applications requiring low noise and distortion
Q & A
- What is the ADA4610-2BRZ?
The ADA4610-2BRZ is a precision dual operational amplifier produced by Analog Devices Inc., featuring low offset voltage, low input bias current, and low noise.
- What are the key features of the ADA4610-2BRZ?
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 ADA4610-2BRZ?
Typical applications include instrumentation, medical instruments, multipole filters, precision current measurement, photodiode amplifiers, sensors, and audio systems.
- What is the input voltage range of the ADA4610-2BRZ?
The input voltage range is from -12.5 V to +12.5 V.
- What is the common-mode rejection ratio (CMRR) of the ADA4610-2BRZ?
The CMRR is 100 dB to 115 dB over the temperature range of -40°C to +125°C.
- Does the ADA4610-2BRZ have rail-to-rail output?
Yes, the ADA4610-2BRZ has rail-to-rail output, meaning the output voltage range extends to the supply rails.
- Is the ADA4610-2BRZ unity-gain stable?
Yes, the ADA4610-2BRZ is unity-gain stable.
- What is the typical input bias current of the ADA4610-2BRZ?
The typical input bias current is 5 pA.
- What is the voltage noise density of the ADA4610-2BRZ at 1 kHz?
The voltage noise density at 1 kHz is 7.3 nV/√Hz.
- Does the ADA4610-2BRZ have phase reversal?
No, the ADA4610-2BRZ does not have phase reversal.
