Overview
The ADA4891-2ARMZ-R7 is a dual-channel, high-speed operational amplifier manufactured by Analog Devices Inc. This component is designed to offer excellent dynamic range and low noise characteristics, making it suitable for a variety of applications. The ADA4891-2ARMZ-R7 features a CMOS architecture with rail-to-rail input and output capabilities, ensuring high performance across a wide range of operating conditions. It is packaged in an 8-lead MSOP (Mini Small Outline Package), which is ideal for space-saving designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | MSOP-8 |
| Number of Channels | 2 Channel |
| GBP - Gain Bandwidth Product | 105 MHz |
| SR - Slew Rate | 210 V/us |
| Vos - Input Offset Voltage | 2.5 mV |
| Current - Input Bias | 50 pA |
| Max Supply Voltage | 5.5 V |
| Supply Voltage - Min | 2.7 V |
| Current @ Pmpp | 8.8 mA |
| Load Current | 125 mA |
| CMRR - Common Mode Rejection Ratio | 88 dB |
| Input Voltage Noise Density | 9 nV/sqrt Hz |
| Mounting Style | SMD/SMT |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +125 |
| Amplifier Type | Voltage Feedback Amplifier |
| Output Type | Rail-to-Rail |
| PSRR - Power Supply Rejection Ratio | 65 dB |
| Technology | CMOS |
Key Features
- High-Speed Operation: The ADA4891-2ARMZ-R7 boasts a gain bandwidth product of 105 MHz and a slew rate of 210 V/us, making it suitable for high-speed signal processing applications.
- Low Noise and Offset: It features an input offset voltage of 2.5 mV and an input voltage noise density of 9 nV/sqrt Hz, ensuring low noise characteristics.
- Rail-to-Rail Input/Output: The amplifier offers rail-to-rail input and output capabilities, providing full signal swing and maximizing dynamic range.
- Low Input Bias Current: With an input bias current of 50 pA, this amplifier is ideal for applications requiring minimal input current.
- Wide Operating Temperature Range: The component operates over a temperature range of -40°C to +125°C, making it versatile for various environmental conditions.
- Compact Packaging: The MSOP-8 package is designed for space-saving applications.
Applications
- Industrial and Commercial Applications: Ideal for use in industrial and commercial environments due to its robust performance and wide operating temperature range.
- Audio Processing: Suitable for audio processing applications where high dynamic range and low noise are critical.
- Telecommunications: Can be used in telecommunications for applications such as filters, modulators/demodulators, and line drivers.
- Healthcare: Useful in medical instrumentation and the analog front ends of diagnostic devices like EEGs and ECGs, where signal quality and integrity are paramount.
- Internet of Things (IoT): Suitable for IoT devices, sensor interfaces, and battery-powered devices due to its low power consumption and rail-to-rail output capabilities.
Q & A
- What is the gain bandwidth product of the ADA4891-2ARMZ-R7?
The gain bandwidth product of the ADA4891-2ARMZ-R7 is 105 MHz.
- What is the slew rate of the ADA4891-2ARMZ-R7?
The slew rate of the ADA4891-2ARMZ-R7 is 210 V/us.
- What is the input offset voltage of the ADA4891-2ARMZ-R7?
The input offset voltage of the ADA4891-2ARMZ-R7 is 2.5 mV.
- What is the minimum and maximum supply voltage for the ADA4891-2ARMZ-R7?
The minimum supply voltage is 2.7 V, and the maximum supply voltage is 5.5 V.
- What is the common mode rejection ratio (CMRR) of the ADA4891-2ARMZ-R7?
The CMRR of the ADA4891-2ARMZ-R7 is 88 dB.
- What is the input voltage noise density of the ADA4891-2ARMZ-R7?
The input voltage noise density of the ADA4891-2ARMZ-R7 is 9 nV/sqrt Hz.
- What is the operating temperature range of the ADA4891-2ARMZ-R7?
The operating temperature range is from -40°C to +125°C.
- What type of amplifier is the ADA4891-2ARMZ-R7?
The ADA4891-2ARMZ-R7 is a voltage feedback operational amplifier.
- What is the package type of the ADA4891-2ARMZ-R7?
The package type is MSOP-8.
- Is the ADA4891-2ARMZ-R7 RoHS compliant?
Yes, the ADA4891-2ARMZ-R7 is RoHS compliant.
