Overview
The ADA4004-2ARMZ-RL, produced by Analog Devices Inc., is a high-performance precision operational amplifier. This device is part of the ADA4004 series, which includes single, dual, and quad configurations. The ADA4004-2ARMZ-RL is a dual-channel amplifier designed to offer very low voltage noise, low input bias current, and high gain, making it suitable for a wide range of precision applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Voltage Noise Density | 1.8 nV/√Hz | f = 1 kHz |
| Input Bias Current | 90 nA maximum | |
| Offset Voltage | 125 µV maximum | |
| Gain Bandwidth Product | 12 MHz | |
| Slew Rate | 2.7 V/μs | RL = 2 kΩ to ground |
| Phase Margin | 48 Degrees | |
| Supply Current per Amplifier | 2.2 mA to 2.4 mA | −40°C ≤ TA ≤ +125°C |
| Power Supply Rejection Ratio (PSRR) | 110 dB to 118 dB | VSY = ±5 V to ±15 V |
| Output Voltage High | 3.7 V to 3.9 V | RL = 2 kΩ to ground, VOUT = −2.5 V to +2.5 V |
| Output Voltage Low | −3.6 V to −3.4 V | RL = 2 kΩ to ground, VOUT = −2.5 V to +2.5 V |
| Short-Circuit Limit | 25 mA |
Key Features
- Very low voltage noise: 1.8 nV/√Hz
- Low input bias current: 90 nA maximum
- Offset voltage: 125 µV maximum
- High gain: 120 dB
- Wide bandwidth: 12 MHz
- Operation from ±5 V to ±15 V
- Low power consumption: 1.7 mA per amplifier
- High performance iPolar™ process for reduced noise and power consumption, increased speed and stability, and smaller footprint size
Applications
- Precision instrumentation
- Filter blocks
- Microphone preamplifiers
- Industrial control systems
- Thermocouples and RTDs
- Reference buffers
- High precision controls
- PLL filters
- High performance precision filters
- Medical and analytical instrumentation
- Precision power supply controls
- ATE (Automated Test Equipment)
- Data acquisition systems
Q & A
- What is the voltage noise density of the ADA4004-2ARMZ-RL?
The voltage noise density is 1.8 nV/√Hz at 1 kHz. - What is the maximum input bias current of the ADA4004-2ARMZ-RL?
The maximum input bias current is 90 nA. - What is the offset voltage of the ADA4004-2ARMZ-RL?
The offset voltage is 125 µV maximum. - What is the gain bandwidth product of the ADA4004-2ARMZ-RL?
The gain bandwidth product is 12 MHz. - What is the slew rate of the ADA4004-2ARMZ-RL?
The slew rate is 2.7 V/μs. - What is the phase margin of the ADA4004-2ARMZ-RL?
The phase margin is 48 Degrees. - What is the supply current per amplifier for the ADA4004-2ARMZ-RL?
The supply current per amplifier is 2.2 mA to 2.4 mA. - What is the power supply rejection ratio (PSRR) of the ADA4004-2ARMZ-RL?
The PSRR is 110 dB to 118 dB. - What are the typical output voltage ranges for the ADA4004-2ARMZ-RL?
The output voltage high is 3.7 V to 3.9 V, and the output voltage low is −3.6 V to −3.4 V. - What are some common applications of the ADA4004-2ARMZ-RL?
Common applications include precision instrumentation, filter blocks, microphone preamplifiers, industrial control systems, and more.
