Overview
The ADA4807-2ARMZ is a high-performance, low power, and low noise operational amplifier produced by Analog Devices Inc. This rail-to-rail voltage feedback amplifier is designed to offer exceptional performance, making it suitable for a wide range of applications. It operates on a quiescent supply current of 1 mA or less, which is ideal for battery-powered, portable instrumentation and high-speed systems where component density and power dissipation are critical factors.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Noise | 3.1 | nV/√Hz | ||
| Quiescent Supply Current | 1.0 | mA | ||
| Bandwidth | 180 | MHz | ||
| Slew Rate | 40 | V/μs | ||
| Input Offset Voltage | -750 | 750 | μV | |
| Input Offset Voltage Drift | 0.7 | 3.7 | μV/°C | |
| Common-Mode Input Range | -VS - 0.2 | +VS + 0.2 | V | |
| Common-Mode Rejection Ratio (CMRR) | 96 | 110 | dB | |
| Open-Loop Gain | 120 | 130 | dB | |
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Low power consumption with a quiescent supply current of 1 mA or less per amplifier.
- Exceptionally low input voltage noise of 3.1 nV/√Hz.
- Rail-to-rail input and output capability.
- High bandwidth of 180 MHz and high slew rate of 40 V/μs.
- Low input offset voltage and drift, making it suitable for precision applications.
- Excellent distortion performance and fast settling time.
- Fully specified at +3 V, +5 V, and ±5 V supplies.
Applications
- Battery-powered and portable instrumentation.
- High-speed data acquisition systems.
- High-performance battery-powered systems.
- High component density systems where power consumption is critical.
- Driving multiplexed and high throughput precision 16-/18-bit successive approximation registers (SARs) and 24-bit Δ-Σ ADCs.
Q & A
- What is the input voltage noise of the ADA4807-2ARMZ?
The input voltage noise of the ADA4807-2ARMZ is 3.1 nV/√Hz.
- What is the quiescent supply current of the ADA4807-2ARMZ?
The quiescent supply current of the ADA4807-2ARMZ is 1.0 mA or less per amplifier.
- What is the bandwidth of the ADA4807-2ARMZ?
The bandwidth of the ADA4807-2ARMZ is 180 MHz.
- Does the ADA4807-2ARMZ have rail-to-rail input and output capability?
- What are the typical operating supply voltages for the ADA4807-2ARMZ?
The ADA4807-2ARMZ is fully specified at +3 V, +5 V, and ±5 V supplies.
- What are some common applications of the ADA4807-2ARMZ?
- What is the slew rate of the ADA4807-2ARMZ?
The slew rate of the ADA4807-2ARMZ is 40 V/μs.
- What is the input offset voltage of the ADA4807-2ARMZ?
The input offset voltage of the ADA4807-2ARMZ is typically within the range of -750 μV to 750 μV.
- Is the ADA4807-2ARMZ suitable for precision ADC applications?
- What is the common-mode rejection ratio (CMRR) of the ADA4807-2ARMZ?
