Overview
The ADA4895-2ARMZ is a high-speed, dual-channel operational amplifier produced by Analog Devices Inc. This amplifier is designed for applications requiring low noise, high gain, and high speed. It features a gain bandwidth product of 1.5 GHz, a small signal bandwidth of 236 MHz at a gain of +10, and a slew rate of 943 V/μs. The ADA4895-2ARMZ is built using Analog Devices' proprietary next-generation SiGe bipolar process, ensuring high performance and reliability. It operates over a wide supply voltage range of 3 V to 10 V and is suitable for systems that demand large dynamic range, precision, and high speed.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Gain Bandwidth Product (GBP) | 1.5 GHz | |
| Small Signal Bandwidth (G = +10) | 236 MHz | |
| Slew Rate | 943 V/μs | |
| Settling Time to 0.1% | 22 ns | |
| Input Noise Density | 1 nV/√Hz | |
| 1/f Noise at 10 Hz | 2 nV/√Hz | |
| Input Offset Voltage (Vos) | 350 µV (max) | |
| Quiescent Current per Amplifier | 3 mA | |
| Supply Voltage Range | 3 V to 10 V | |
| Operating Temperature Range | -40°C to +125°C | |
| Package | 10-Lead MSOP | |
| RoHS Compliance | Yes |
Key Features
- High-speed operation with a gain bandwidth product of 1.5 GHz and a small signal bandwidth of 236 MHz at a gain of +10.
- Low input noise density of 1 nV/√Hz and low 1/f noise of 2 nV/√Hz at 10 Hz.
- Rail-to-rail output and low input offset voltage of 350 µV (max).
- Fast slew rate of 943 V/μs and settling time of 22 ns to 0.1%.
- Wide supply voltage range of 3 V to 10 V, making it suitable for systems requiring large dynamic range and high gain.
- Low power consumption with a quiescent current of 3 mA per amplifier.
- Disable feature for power management.
Applications
- Low noise preamplifiers.
- Ultrasound amplifiers.
- PLL loop filters.
- High-performance analog-to-digital converter (ADC) drivers.
- Digital-to-analog converter (DAC) buffers.
- Test equipment.
- Medical imaging.
- Industrial automation and control systems.
- High-speed communication equipment.
Q & A
- What is the gain bandwidth product of the ADA4895-2ARMZ?
The gain bandwidth product of the ADA4895-2ARMZ is 1.5 GHz.
- What is the typical slew rate of the ADA4895-2ARMZ?
The typical slew rate of the ADA4895-2ARMZ is 943 V/μs.
- What is the input noise density of the ADA4895-2ARMZ?
The input noise density of the ADA4895-2ARMZ is 1 nV/√Hz.
- What is the operating temperature range of the ADA4895-2ARMZ?
The operating temperature range of the ADA4895-2ARMZ is -40°C to +125°C.
- What is the package type of the ADA4895-2ARMZ?
The ADA4895-2ARMZ is available in a 10-Lead MSOP package.
- Is the ADA4895-2ARMZ RoHS compliant?
Yes, the ADA4895-2ARMZ is RoHS compliant.
- What are some typical applications of the ADA4895-2ARMZ?
Typical applications include low noise preamplifiers, ultrasound amplifiers, PLL loop filters, high-performance ADC drivers, and DAC buffers.
- What is the quiescent current per amplifier for the ADA4895-2ARMZ?
The quiescent current per amplifier for the ADA4895-2ARMZ is 3 mA.
- What is the supply voltage range for the ADA4895-2ARMZ?
The supply voltage range for the ADA4895-2ARMZ is 3 V to 10 V.
- Does the ADA4895-2ARMZ have a disable feature?
Yes, the ADA4895-2ARMZ has a disable feature for power management.
