Overview
The ADA4610-2BRZ-RL, produced by Analog Devices Inc., is a dual-channel precision junction field effect transistor (JFET) 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 features rail-to-rail output and excellent DC precision, which are crucial for accurate measurements in various fields such as medical instruments, electronic measurement, and automated test equipment.
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 | 0.5 | 4 | µV/°C | ||
| Offset Voltage Drift (A Grade) | ΔVOS/ΔT | 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 |
| Input Voltage Range | −2.5 | +2.5 | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = −2.5 V to +2.5 V | 94 | 110 | 86 | dB |
| Large Signal Voltage Gain | AVO | RL = 2 kΩ, VOUT = −3.5 V to +3.5 V | 98 | 100 | 86 | dB |
| Output Voltage High | VOH | RL = 2 kΩ | 4.85 | 4.90 | 4.60 | V |
| Output Voltage Low | VOL | RL = 2 kΩ | −4.95 | −4.90 | −4.75 | V |
| Slew Rate | SR | RL = 2 kΩ, AV = 1 | ±171 | ±25/−61 | V/µs | |
| Gain Bandwidth Product | GBP | VIN = 5 mV p-p, RL = 2 kΩ, AV = 100 | 16.3 | MHz | ||
| Supply Voltage | VSY | ±4.5 | ±18 | V | ||
| Supply Current per Amplifier | ISY | IOUT = 0 mA | 1.50 | 1.85 | mA |
Key Features
- Low Offset Voltage: The ADA4610-2 features low offset voltage, with B grade maximum of 0.4 mV and A grade maximum of 1 mV, ensuring high precision in applications.
- Low Input Bias Current: With a typical input bias current of 5 pA at VSY = ±15 V, this amplifier is ideal for high impedance sensor amplification and precise current measurements.
- Low Noise: The device exhibits low input noise voltage and current noise, making it suitable for applications requiring minimal noise interference.
- Rail-to-Rail Output: The ADA4610-2 provides rail-to-rail output, enhancing its versatility in various signal processing tasks).
- Fast Settling Time and High Stability: It maintains fast settling performance even with substantial capacitive loads and does not suffer from output phase reversal, making it reliable for high-performance filters and other demanding applications).
- Dual-Supply Operation: The amplifier can operate with supply voltages ranging from ±4.5 V to ±18 V, offering flexibility in system design).
Applications
- Medical Instruments: The ADA4610-2 is used in medical instruments due to its high precision, low noise, and fast settling time, ensuring accurate measurements and reliable performance).
- Electronic Measurement: It is suitable for electronic measurement applications where low offset, low noise, and high accuracy are critical).
- Automated Test Equipment: The amplifier's excellent DC precision and stability make it a preferred choice for automated test equipment).
- High Impedance Sensor Amplification: Its low input bias current and low noise make it ideal for amplifying signals from high impedance sensors).
- Precise Current Measurements: The ADA4610-2 is used in precise current measurements using shunts due to its low offset and low noise characteristics).
Q & A
- What is the ADA4610-2BRZ-RL?
The ADA4610-2BRZ-RL is a dual-channel precision JFET operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4610-2?
The key features include low offset voltage, low input bias current, low noise, rail-to-rail output, fast settling time, and high stability with capacitive loads.
- What is the typical input bias current of the ADA4610-2?
The typical input bias current is 5 pA at VSY = ±15 V.
- What is the operating temperature range of the ADA4610-2?
The operating temperature range is −40°C to +125°C.
- What are the common applications of the ADA4610-2?
Common applications include medical instruments, electronic measurement, automated test equipment, high impedance sensor amplification, and precise current measurements.
- What is the slew rate of the ADA4610-2?
The slew rate is ±171 V/µs (rising) and ±61 V/µs (falling) with RL = 2 kΩ and AV = 1.
- What is the gain bandwidth product of the ADA4610-2?
The gain bandwidth product is 16.3 MHz with VIN = 5 mV p-p, RL = 2 kΩ, and AV = 100.
- 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 supply voltage range for the ADA4610-2?
The supply voltage range is ±4.5 V to ±18 V.
- What is the typical supply current per amplifier for the ADA4610-2?
The typical supply current per amplifier is 1.85 mA with IOUT = 0 mA.
