Overview
The ADA4897-1ARZ-R7 is a high-performance, low-noise, rail-to-rail output operational amplifier produced by Analog Devices Inc. This amplifier is part of the ADA4897 series, known for its unity-gain stability, high speed, and low power consumption. It is designed to operate over a wide supply voltage range of 3 V to 10 V, making it versatile for various applications requiring high dynamic range, precision, and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC-8 | |
| Supply Voltage Range | 3 V to 10 V | |
| Quiescent Current per Amplifier | 3 mA | |
| Input Offset Voltage | 0.5 mV (max) | |
| Wideband Noise | 1 nV/√Hz | |
| 1/f Noise at 10 Hz | 2.4 nV/√Hz | |
| -3 dB Bandwidth (G = +1) | 230 MHz | |
| Slew Rate | 120 V/μs | |
| Settling Time to 0.1% | 45 ns | |
| Operating Temperature Range | -40°C to +125°C | |
| Disable Feature | Available | |
| RoHS Compliance | Yes |
Key Features
- Low wideband noise of 1 nV/√Hz and low 1/f noise of 2.4 nV/√Hz at 10 Hz.
- High speed with a -3 dB bandwidth of 230 MHz and a slew rate of 120 V/μs.
- Low power consumption with a quiescent current of 3 mA per amplifier.
- Low input offset voltage of 0.5 mV maximum.
- Rail-to-rail output and wide supply voltage range of 3 V to 10 V.
- Disable feature for power management.
- High dynamic range and precision, making it suitable for high-performance applications.
Applications
- Low noise preamplifiers.
- Ultrasound amplifiers.
- PLL loop filters.
- High performance ADC drivers.
- DAC buffers.
Q & A
- What is the package type of the ADA4897-1ARZ-R7?
The ADA4897-1ARZ-R7 is available in an 8-lead SOIC package.
- What is the supply voltage range for the ADA4897-1ARZ-R7?
The supply voltage range is from 3 V to 10 V.
- What is the quiescent current per amplifier for the ADA4897-1ARZ-R7?
The quiescent current per amplifier is 3 mA.
- What is the input offset voltage of the ADA4897-1ARZ-R7?
The input offset voltage is 0.5 mV maximum.
- What is the -3 dB bandwidth of the ADA4897-1ARZ-R7?
The -3 dB bandwidth is 230 MHz at a gain of +1.
- Does the ADA4897-1ARZ-R7 have a disable feature?
Yes, the ADA4897-1ARZ-R7 has a disable feature for power management.
- What are the typical applications of the ADA4897-1ARZ-R7?
Typical applications include low noise preamplifiers, ultrasound amplifiers, PLL loop filters, high performance ADC drivers, and DAC buffers.
- What is the operating temperature range of the ADA4897-1ARZ-R7?
The operating temperature range is from -40°C to +125°C.
- Is the ADA4897-1ARZ-R7 RoHS compliant?
Yes, the ADA4897-1ARZ-R7 is RoHS compliant.
- What is the slew rate of the ADA4897-1ARZ-R7?
The slew rate is 120 V/μs.
