Overview
The ADA4051-1ARJZ-R7 is a precision operational amplifier produced by Analog Devices Inc. This CMOS, micropower, zero-drift operational amplifier utilizes an innovative chopping technique to achieve high precision and low noise. It is designed for applications requiring high accuracy and stability over a wide range of temperatures.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | 0 V ≤ VCM ≤ 5 V | 2 | - | 17 | µV |
| Offset Voltage Drift | ∆VOS/∆T | −40°C ≤ TA ≤ +125°C | 0.02 | - | 0.1 | µV/°C |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 20 | - | 200 | pA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | 40 | - | 150 | pA |
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 5 V | 110 | - | 135 | dB |
| Power Supply Rejection Ratio | PSRR | 1.8 V ≤ VSY ≤ 5.5 V | 110 | - | 135 | dB |
| Supply Current per Amplifier | ISY | VOUT = VSY/2 | 13 | - | 20 | µA |
| Slew Rate | SR+ | RL = 10 kΩ, CL = 100 pF, G = 1 | 0.04 | - | 0.06 | V/µs |
| Settling Time | tS | To 0.1%, VIN = 1 V p-p, RL = 10 kΩ, CL = 100 pF | - | - | 110 | µs |
| Gain Bandwidth Product | GBP | CL = 100 pF, G = 1 | - | - | 125 | kHz |
Key Features
- Zero-Drift Technology: Utilizes an innovative chopping technique to minimize offset voltage and drift, ensuring high precision over time and temperature.
- Low Power Consumption: Operates with a supply current as low as 13 µA to 20 µA per amplifier, making it suitable for battery-powered devices.
- High Common-Mode Rejection Ratio (CMRR): Offers CMRR of 110 dB to 135 dB, ensuring robust performance in noisy environments.
- Wide Operating Voltage Range: Compatible with supply voltages from 1.8 V to 5.5 V, providing flexibility in various application scenarios.
- Low Noise: Features low voltage noise, making it ideal for precision measurement and signal processing applications.
- High Gain Bandwidth Product: With a GBP of 125 kHz, it supports a wide range of frequencies and applications requiring high bandwidth.
Applications
- Precision Measurement Instruments: Suitable for use in multimeters, thermocouple amplifiers, and other precision measurement devices due to its high accuracy and low noise.
- Medical Devices: Ideal for medical equipment such as ECG and EEG amplifiers where high precision and low drift are critical.
- Industrial Automation: Used in industrial control systems, sensors, and data acquisition systems where reliability and precision are essential.
- Consumer Electronics: Applicable in audio equipment, battery-powered devices, and other consumer electronics requiring low power and high precision.
Q & A
- What is the ADA4051-1ARJZ-R7?
The ADA4051-1ARJZ-R7 is a precision operational amplifier from Analog Devices Inc., featuring zero-drift technology and low power consumption.
- What is the operating voltage range of the ADA4051-1ARJZ-R7?
The ADA4051-1ARJZ-R7 operates with supply voltages from 1.8 V to 5.5 V.
- What is the typical supply current of the ADA4051-1ARJZ-R7?
The typical supply current per amplifier is between 13 µA and 20 µA.
- What is the common-mode rejection ratio (CMRR) of the ADA4051-1ARJZ-R7?
The CMRR is between 110 dB and 135 dB.
- What is the gain bandwidth product (GBP) of the ADA4051-1ARJZ-R7?
The GBP is 125 kHz.
- What are some typical applications of the ADA4051-1ARJZ-R7?
Typical applications include precision measurement instruments, medical devices, industrial automation, and consumer electronics.
- How does the ADA4051-1ARJZ-R7 achieve low offset voltage and drift?
The ADA4051-1ARJZ-R7 uses an innovative chopping technique to minimize offset voltage and drift.
- What is the slew rate of the ADA4051-1ARJZ-R7?
The slew rate is between 0.04 V/µs and 0.06 V/µs.
- What is the settling time of the ADA4051-1ARJZ-R7 to 0.1%?
The settling time to 0.1% is 110 µs for a 1 V p-p input signal.
- Is the ADA4051-1ARJZ-R7 suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption.
