Overview
The ADA4895-1ARZ-R7 is a high-speed, low-noise operational amplifier produced by Analog Devices Inc. This single-channel amplifier is part of the ADA4895-1 series, known for its low wideband noise, high speed, and rail-to-rail output. It is designed to operate with a gain of 10 or greater and features a quiescent current of 3 mA per amplifier, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package Type | SOT-23 (6 leads) | |
| Temperature Range | -40°C to +125°C | |
| Supply Voltage Range | 3 V to 10 V | |
| Quiescent Current per Amplifier | 2.6 to 3.2 mA | |
| Bandwidth (G = +10) | 236 MHz | |
| Slew Rate | 943 V/µs | |
| Settling Time to 0.1% | 22 ns | |
| Input Noise | 1 nV/√Hz | |
| Input Offset Voltage | 350 µV (max) | |
| Output Voltage Swing (RL = 1 kΩ) | ±2.35 V |
Key Features
- Low wideband noise: 1 nV/√Hz and low 1/f noise: 2 nV/√Hz at 10 Hz.
- High speed: 236 MHz bandwidth and 943 V/µs slew rate.
- Rail-to-rail output and high gain stability (≥ 10).
- Low power consumption: 3 mA per amplifier.
- Disable feature for power management.
- Wide supply voltage range: 3 V to 10 V.
- High common-mode rejection ratio (CMRR): -93 to -110 dB.
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 typical bandwidth of the ADA4895-1ARZ-R7 at a gain of +10?
The typical bandwidth is 236 MHz at a gain of +10.
- What is the input noise of the ADA4895-1ARZ-R7?
The input noise is 1 nV/√Hz.
- What is the quiescent current per amplifier for the ADA4895-1ARZ-R7?
The quiescent current per amplifier is typically 3 mA.
- What is the temperature range for the ADA4895-1ARZ-R7?
The temperature range is -40°C to +125°C.
- What are the typical output voltage swings for the ADA4895-1ARZ-R7?
The output voltage swings are ±2.35 V for a load resistance of 1 kΩ.
- Does the ADA4895-1ARZ-R7 have a disable feature?
- What is the slew rate of the ADA4895-1ARZ-R7?
The slew rate is 943 V/µs.
- What are some common applications of the ADA4895-1ARZ-R7?
- What is the package type of the ADA4895-1ARZ-R7?
- Is the ADA4895-1ARZ-R7 RoHS compliant?
