Overview
The ADA4895-2ARMZ-R7, produced by Analog Devices Inc., is a dual, high-speed voltage feedback amplifier. This component is part of the ADA4895 series, known for its low input noise, rail-to-rail output, and low power consumption. The ADA4895-2 is gain ≥ 10 stable, making it suitable for a variety of high-performance applications. It utilizes Analog Devices' proprietary next-generation SiGe bipolar process, ensuring high-speed operation and precision.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Noise Density | 1 nV/√Hz | nV/√Hz |
| Low Frequency Noise (1/f Noise) at 10 Hz | 2 nV/√Hz | nV/√Hz |
| Bandwidth (G = +10) | 236 MHz | MHz |
| Slew Rate | 943 V/µs | V/µs |
| Settling Time to 0.1% | 22 ns | ns |
| Quiescent Current per Amplifier | 3 mA | mA |
| Supply Voltage Range | 3 V to 10 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Input Offset Voltage | 350 µV (max) | µV |
| Package Type | 10-Lead MSOP |
Key Features
- Low wideband noise of 1 nV/√Hz and low 1/f noise of 2 nV/√Hz at 10 Hz.
- High speed with a bandwidth of 236 MHz at a gain of +10 and a slew rate of 943 V/µs.
- Rail-to-rail output and low power consumption of 3 mA per amplifier.
- High precision with an input offset voltage of 350 µV (max) and a common-mode rejection ratio of -93 dB to -110 dB.
- Disable feature for power management.
- Wide supply voltage range from 3 V to 10 V.
- Extended industrial temperature range of -40°C to +125°C.
Applications
- Low noise preamplifiers.
- Ultrasound amplifiers.
- PLL loop filters.
- High performance analog-to-digital converter (ADC) drivers.
- Digital-to-analog converter (DAC) buffers.
Q & A
- What is the input noise density of the ADA4895-2?
The input noise density of the ADA4895-2 is 1 nV/√Hz.
- What is the bandwidth of the ADA4895-2 at a gain of +10?
The bandwidth of the ADA4895-2 at a gain of +10 is 236 MHz.
- What is the slew rate of the ADA4895-2?
The slew rate of the ADA4895-2 is 943 V/µs.
- What is the quiescent current per amplifier for the ADA4895-2?
The quiescent current per amplifier for the ADA4895-2 is 3 mA.
- What is the supply voltage range for the ADA4895-2?
The supply voltage range for the ADA4895-2 is from 3 V to 10 V.
- What is the operating temperature range for the ADA4895-2?
The operating temperature range for the ADA4895-2 is -40°C to +125°C.
- What is the input offset voltage of the ADA4895-2?
The input offset voltage of the ADA4895-2 is 350 µV (max).
- What package types are available for the ADA4895-2?
The ADA4895-2 is available in a 10-Lead MSOP package.
- What are some common applications of the ADA4895-2?
Common applications include low noise preamplifiers, ultrasound amplifiers, PLL loop filters, high performance ADC drivers, and DAC buffers.
- Does the ADA4895-2 have a disable feature?
Yes, the ADA4895-2 has a disable feature for power management.
