Overview
The ADA4896-2ARMZ-R7 is a high-performance, low-noise, rail-to-rail output voltage feedback operational amplifier manufactured by Analog Devices Inc. This amplifier is designed to offer exceptional performance in a variety of applications, including ultrasound, low noise preamplifiers, drivers for high-performance analog-to-digital converters (ADCs), phase-locked loop (PLL) loop filters, and digital-to-analog converter (DAC) buffers. With its low power consumption and high speed, the ADA4896-2ARMZ-R7 is ideal for systems requiring high dynamic range, precision, and low power.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| No. of Channels | 2 | - |
| Input Voltage Noise | 1 nV/√Hz | - |
| Input Offset Voltage | 0.5 mV | mV |
| Input Bias Current | 4 µA | µA |
| Slew Rate | 120 V/µs | V/µs |
| -3 dB Bandwidth | 230 MHz (G = +1) | MHz |
| Settling Time to 0.1% | 45 ns | ns |
| Supply Voltage Range | 3 V to 10 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 8-lead MSOP | - |
| IC Mounting | Surface Mount | - |
Key Features
- Low Noise: 1 nV/√Hz input voltage noise at 100 kHz, making it suitable for low noise applications.
- High Speed: Unity gain bandwidth of 230 MHz and a slew rate of 120 V/µs, ideal for high-speed signal processing.
- Rail-to-Rail Output: Ensures maximum signal swing and dynamic range.
- Low Power Consumption: Quiescent current of 3 mA per amplifier, suitable for battery-powered and low-power applications.
- Wide Supply Voltage Range: Operates from 3 V to 10 V, providing flexibility in system design.
- High CMRR and PSRR: Common-mode rejection ratio (CMRR) of 120 dB and power supply rejection ratio (PSRR) of -96 dB to -121 dB, ensuring signal integrity in noisy environments.
- Disable Feature: Available in some variants, allowing for power management and reduced power consumption when not in use.
Applications
- Ultrasound: Ideal for ultrasound applications due to its low noise and high speed characteristics.
- Low Noise Preamplifiers: Suitable for preamplifying low-level signals in various applications.
- ADC and DAC Drivers: High-performance driver for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
- PLL Loop Filters: Used in phase-locked loop (PLL) circuits for frequency stabilization.
- Telecommunications: Suitable for filters, modulators/demodulators, and line drivers in telecommunications systems.
- Healthcare: Used in medical instrumentation and analog front ends of diagnostic devices like EEGs and ECGs.
- Internet of Things (IoT): Ideal for sensor interfaces, battery-powered devices, and portable IoT gadgets due to its low power consumption.
Q & A
- What is the input voltage noise of the ADA4896-2ARMZ-R7?
The input voltage noise is 1 nV/√Hz at 100 kHz.
- What is the slew rate of the ADA4896-2ARMZ-R7?
The slew rate is 120 V/µs.
- What is the operating temperature range of the ADA4896-2ARMZ-R7?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range of the ADA4896-2ARMZ-R7?
The supply voltage range is 3 V to 10 V.
- Does the ADA4896-2ARMZ-R7 have a disable feature?
Yes, some variants of the ADA4896 series have a disable feature.
- What is the common-mode rejection ratio (CMRR) of the ADA4896-2ARMZ-R7?
The CMRR is typically 120 dB.
- What are the typical applications of the ADA4896-2ARMZ-R7?
Typical applications include ultrasound, low noise preamplifiers, ADC and DAC drivers, PLL loop filters, telecommunications, healthcare, and IoT devices.
- What is the package type of the ADA4896-2ARMZ-R7?
The package type is 8-lead MSOP.
- Is the ADA4896-2ARMZ-R7 RoHS compliant?
Yes, the ADA4896-2ARMZ-R7 is RoHS compliant.
- What is the settling time to 0.1% of the ADA4896-2ARMZ-R7?
The settling time to 0.1% is 45 ns.
