Overview
The ADA4051-2ARMZ-R7, produced by Analog Devices Inc., is a CMOS, micropower, zero-drift operational amplifier. This device utilizes an innovative chopping technique to achieve high precision and low noise performance. It is part of the ADA4051 series, which includes dual-channel operational amplifiers designed for a wide range of applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | 0 V ≤ VCM ≤ 5 V | 2 | - | 15 | µV |
| Offset Voltage Drift | ∆VOS/∆T | −40°C ≤ TA ≤ +125°C | 0.02 | - | 0.1 | µV/°C |
| Input Bias Current | IB | - | 20 | - | 70 | pA |
| Input Offset Current | IOS | - | 40 | - | 100 | pA |
| Input Voltage Range | - | - | 0 | - | 5 | V |
| Common-Mode Rejection Ratio | CMRR | 0 V ≤ VCM ≤ 5 V | 110 | - | 135 | dB |
| Supply Current per Amplifier | ISY | VOUT = VSY/2 | 13 | - | 17 | µA |
| Slew Rate | SR+ | RL = 10 kΩ, CL = 100 pF, G = 1 | - | - | 0.06 | V/µs |
| Gain Bandwidth Product | GBP | CL = 100 pF, G = 1 | - | - | 125 | kHz |
| Output Voltage High | VOH | RL = 100 kΩ to VCM | 4.996 | - | 4.998 | V |
| Output Voltage Low | VOL | RL = 100 kΩ to VCM | 1 | - | 4 | mV |
Key Features
- Zero-Drift Operation: Utilizes an innovative chopping technique to minimize offset voltage and drift.
- Low Power Consumption: Micropower operation with supply current as low as 13 µA per amplifier.
- High Precision: Low offset voltage (2 µV to 15 µV) and low offset voltage drift (0.02 µV/°C to 0.1 µV/°C).
- Low Noise: High common-mode rejection ratio (CMRR) of 110 dB to 135 dB.
- Wide Operating Range: Operates over a temperature range of −40°C to +125°C and a supply voltage range of 1.8 V to 5.5 V.
- Dual Channel: Available in dual-channel configurations, making it suitable for applications requiring multiple amplifiers.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and low noise, such as precision measurement instruments and data acquisition systems.
- Medical Devices: Suitable for medical equipment where low power consumption and high precision are critical.
- Industrial Automation: Used in industrial control systems and automation where reliable and precise signal amplification is necessary.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its robust performance over a wide temperature range.
Q & A
- What is the ADA4051-2ARMZ-R7?
The ADA4051-2ARMZ-R7 is a CMOS, micropower, zero-drift operational amplifier produced by Analog Devices Inc. - What is the offset voltage of the ADA4051-2?
The offset voltage of the ADA4051-2 is between 2 µV and 15 µV. - What is the input bias current of the ADA4051-2?
The input bias current is between 20 pA and 70 pA. - What is the common-mode rejection ratio (CMRR) of the ADA4051-2?
The CMRR is between 110 dB and 135 dB. - What is the supply current per amplifier for the ADA4051-2?
The supply current per amplifier is between 13 µA and 17 µA. - What is the slew rate of the ADA4051-2?
The slew rate is up to 0.06 V/µs. - What is the gain bandwidth product (GBP) of the ADA4051-2?
The GBP is 125 kHz. - What is the operating temperature range of the ADA4051-2?
The operating temperature range is −40°C to +125°C. - What is the supply voltage range of the ADA4051-2?
The supply voltage range is 1.8 V to 5.5 V. - In what package is the ADA4051-2ARMZ-R7 available?
The ADA4051-2ARMZ-R7 is available in an MSOP-8 package.
