Overview
The ADA4841-2YRMZ-RL is a high-performance, low noise and distortion, rail-to-rail output operational amplifier produced by Analog Devices Inc. This unity gain stable amplifier is designed to offer low power consumption and excellent dynamic performance, making it suitable for a variety of applications including portable instrumentation, industrial measurement, and medical devices. The ADA4841-2 is part of the ADA4841 series, which is known for its low wideband noise and low distortion characteristics, making it ideal for driving high-resolution analog-to-digital converters (ADCs).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 2.7 | 12 | V | |
| Quiescent Current per Amplifier | 1.2 | 1.5 | mA | |
| Input Offset Voltage | 70 | µV | ||
| Input Bias Current | 60 | nA | ||
| -3 dB Bandwidth (VO = 0.02 V p-p) | 54 | 80 | MHz | |
| Slew Rate (G = +1, VO = 4 V step, RL = 1 kΩ) | 10 | 12 | V/µs | |
| Settling Time to 0.1% (G = +1, VO = 2 V step) | 175 | ns | ||
| Output Voltage Swing (G > +1, RL = 1 kΩ) | ±4.9 | ±4.955 | V | |
| Output Current Limit (Sourcing, VIN = +VS, RL = 50 Ω to GND) | 30 | mA | ||
| Output Current Limit (Sinking, VIN = -VS, RL = 50 Ω to GND) | 60 | mA | ||
| Temperature Range | -40 | 125 | °C | |
| Package Type | MSOP-8 | |||
| RoHS Compliance | Yes |
Key Features
- Low power consumption: 1.1 mA per amplifier.
- Low wideband noise: 2.1 nV/√Hz and low 1/f noise: 7 nV/√Hz at 10 Hz.
- Low distortion: -105 dBc at 100 kHz.
- Rail-to-rail output.
- Unity gain stable.
- High common-mode rejection ratio (CMRR): 95 dB to 115 dB.
- Operating temperature range: -40°C to 125°C.
- RoHS compliant).
Applications
The ADA4841-2YRMZ-RL is ideally suited for various applications, including:
- Portable instrumentation: Due to its low power consumption and high performance, it is suitable for battery-powered devices.
- Industrial measurement: Its low noise and distortion make it a good choice for precision measurement applications.
- Medical devices: The amplifier's high accuracy and stability are beneficial in medical instrumentation).
- Driving high-resolution ADCs: It is particularly recommended for driving 16-bit to 18-bit ADCs such as the AD7685/AD7686).
Q & A
- What is the operating voltage range of the ADA4841-2YRMZ-RL? The operating voltage range is from 2.7 V to 12 V.
- What is the quiescent current per amplifier for the ADA4841-2YRMZ-RL? The quiescent current per amplifier is typically 1.5 mA.
- What is the input offset voltage of the ADA4841-2YRMZ-RL? The input offset voltage is typically 70 µV.
- What is the slew rate of the ADA4841-2YRMZ-RL? The slew rate is typically 12 V/µs.
- What is the temperature range for the ADA4841-2YRMZ-RL? The temperature range is from -40°C to 125°C).
- Is the ADA4841-2YRMZ-RL RoHS compliant? Yes, the ADA4841-2YRMZ-RL is RoHS compliant).
- What package type does the ADA4841-2YRMZ-RL come in? The ADA4841-2YRMZ-RL comes in an MSOP-8 package).
- What are some typical applications for the ADA4841-2YRMZ-RL? Typical applications include portable instrumentation, industrial measurement, medical devices, and driving high-resolution ADCs).
- What is the common-mode rejection ratio (CMRR) of the ADA4841-2YRMZ-RL? The CMRR is between 95 dB and 115 dB).
- How much output current can the ADA4841-2YRMZ-RL source or sink? The amplifier can source up to 30 mA and sink up to 60 mA).
