Overview
The ADA4610-1ARJZ-R7, produced by Analog Devices Inc., is a precision junction field effect transistor (JFET) operational amplifier. This single-channel amplifier is part of the ADA4610 family, which includes dual and quad channel variants. It 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 ADA4610-1ARJZ-R7 features rail-to-rail output, excellent DC precision, and fast settling times, which are crucial for applications in medical instruments, electronic measurement, and automated test equipment. Its ability to maintain fast settling performance even with substantial capacitive loads sets it apart from many other JFET amplifiers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Offset Voltage (VOS) | 0.2 | 0.4 | 0.8 | mV |
| Offset Voltage Drift (ΔVOS/ΔT) | 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 | - | 12.5 | V |
| Common-Mode Rejection Ratio (CMRR) | 100 | 115 | 96 | dB |
| Large Signal Voltage Gain (AVO) | 96 | 98 | 84 | dB |
| Output Voltage High (VOH) | 4.60 | 4.90 | - | V |
| Output Voltage Low (VOL) | -4.95 | -4.60 | - | V |
| Supply Current per Amplifier (ISY) | 1.60 | 1.85 | 2.0 | mA |
| Slew Rate (SR) | 61 | - | - | V/µs |
| Gain Bandwidth Product (GBP) | 16.3 | - | - | MHz |
| Phase Margin (φM) | 66 | - | - | Degrees |
Key Features
- Low Offset and Noise: The ADA4610-1ARJZ-R7 features low offset voltage, low input noise voltage, and low current noise, making it ideal for high precision applications.
- Rail-to-Rail Output: The amplifier provides rail-to-rail output, ensuring maximum signal swing and minimizing distortion.
- Low Input Bias Current: With an input bias current as low as 5 pA, this amplifier is suitable for high impedance sensor amplification and precise current measurements.
- Fast Settling Time: It maintains fast settling performance even with substantial capacitive loads, which is crucial for applications requiring quick response times.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of up to 115 dB ensures effective rejection of common-mode signals, enhancing signal fidelity.
- High Power Supply Rejection Ratio (PSRR): With a PSRR of up to 125 dB, the amplifier can maintain a stable output voltage despite fluctuations in the supply voltage.
Applications
- Medical Instruments: The ADA4610-1ARJZ-R7 is used in medical devices due to its high precision, low noise, and fast settling times.
- Electronic Measurement: It is suitable for various electronic measurement applications where accuracy and low noise are critical.
- Automated Test Equipment: The amplifier's precision and stability make it a good fit for automated test equipment.
- High Impedance Sensor Amplification: Its low input bias current and high CMRR make it ideal for amplifying signals from high impedance sensors.
- Precise Current Measurements: It is used in applications requiring precise current measurements using shunts.
Q & A
- What is the ADA4610-1ARJZ-R7?
The ADA4610-1ARJZ-R7 is a single-channel precision junction field effect transistor (JFET) operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4610-1ARJZ-R7?
Key features include low offset and noise, rail-to-rail output, low input bias current, fast settling time, high CMRR, and high PSRR.
- What is the typical offset voltage of the ADA4610-1ARJZ-R7?
The typical offset voltage is 0.4 mV.
- What is the input bias current of the ADA4610-1ARJZ-R7?
The input bias current is typically 25 pA.
- What is the common-mode rejection ratio (CMRR) of the ADA4610-1ARJZ-R7?
The CMRR is up to 115 dB.
- What is the power supply rejection ratio (PSRR) of the ADA4610-1ARJZ-R7?
The PSRR is up to 125 dB.
- What are the typical applications of the ADA4610-1ARJZ-R7?
Typical applications include medical instruments, electronic measurement, automated test equipment, high impedance sensor amplification, and precise current measurements.
- What is the slew rate of the ADA4610-1ARJZ-R7?
The slew rate is 61 V/µs.
- What is the gain bandwidth product (GBP) of the ADA4610-1ARJZ-R7?
The GBP is 16.3 MHz.
- What is the phase margin of the ADA4610-1ARJZ-R7?
The phase margin is 66 degrees.
