Overview
The ADA4610-2BRZ-R7, produced by Analog Devices Inc., is a dual-channel precision junction field effect transistor (JFET) operational amplifier. This device is part of the ADA4610 series, known for its low input noise voltage, current noise, offset voltage, and input bias current. The ADA4610-2 is particularly suited for applications requiring high dc precision, low noise, and fast settling times, making it ideal for use in medical instruments, electronic measurement, and automated test equipment.
Key Specifications
| Parameter | Symbol | Test Conditions | 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 |
| Input Voltage Range | - | - | -12.5 | - | 12.5 | V |
| Common-Mode Rejection Ratio | CMRR | VCM = −12.5 V to +12.5 V | 100 | 115 | 96 | dB |
| Output Voltage High | VOH | RL = 2 kΩ | 14.80 | 14.90 | 14.65 | V |
| Output Voltage Low | VOL | RL = 2 kΩ | -14.90 | -14.85 | -14.75 | V |
| Power Supply Rejection Ratio | PSRR | VSY = ±4.5 V to ±18 V | 106 | 125 | 103 | dB |
| Supply Current/Amplifier | ISY | IOUT = 0 mA | 1.6 | 1.85 | 2.0 | mA |
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 at VSY = ±15 V.
- Dual-Supply Operation: Compatible with a wide range of supply voltages (±4.5 V to ±18 V).
- Rail-to-Rail Output: High output voltage range, suitable for various applications.
- Fast Settling Time: Maintains fast settling performance even with substantial capacitive loads.
- High Input Resistance: Greater than 1 × 10^13 Ω.
- Low Noise: Low input voltage and current noise, making it suitable for high precision applications.
Applications
- Medical Instruments: Ideal for medical devices requiring high precision and low noise.
- Electronic Measurement: Suitable for precise current measurements using shunts and high impedance sensor amplification.
- Automated Test Equipment: Provides superior accuracy and fast settling times necessary for automated testing.
- Photodiode Amplifier Circuits: Low noise and distortion make it a good fit for photodiode amplifier circuits.
- High Performance Filters: Fast slew rate and stability with capacitive loads make it suitable for high performance filters.
Q & A
- What is the ADA4610-2BRZ-R7?
The ADA4610-2BRZ-R7 is a dual-channel precision JFET operational amplifier produced by Analog Devices Inc..
- What are the key features of the ADA4610-2BRZ-R7?
Key features include low offset voltage, low offset voltage drift, low input bias current, dual-supply operation, rail-to-rail output, and fast settling time.
- What are the typical applications of the ADA4610-2BRZ-R7?
Typical applications include medical instruments, electronic measurement, automated test equipment, photodiode amplifier circuits, and high performance filters.
- What is the input bias current of the ADA4610-2BRZ-R7?
The input bias current is typically 5 pA at VSY = ±15 V.
- What is the common-mode rejection ratio (CMRR) of the ADA4610-2BRZ-R7?
The CMRR is 100 dB to 115 dB for VCM = −12.5 V to +12.5 V.
- What is the power supply rejection ratio (PSRR) of the ADA4610-2BRZ-R7?
The PSRR is 106 dB to 125 dB for VSY = ±4.5 V to ±18 V.
- What is the supply current per amplifier for the ADA4610-2BRZ-R7?
The supply current per amplifier is typically 1.6 mA to 1.85 mA at IOUT = 0 mA.
- What is the operating temperature range of the ADA4610-2BRZ-R7?
The operating temperature range is −40°C to +125°C.
- What is the input voltage range of the ADA4610-2BRZ-R7?
The input voltage range is −12.5 V to +12.5 V.
- Does the ADA4610-2BRZ-R7 suffer from output phase reversal?
No, the ADA4610-2BRZ-R7 does not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range.
