Overview
The ADA4000-4ARZ-RL, produced by Analog Devices Inc., is a precision JFET input operational amplifier. This device is part of the ADA4000 series, which includes the ADA4000-1, ADA4000-2, and ADA4000-4 models. The ADA4000-4 is a quad operational amplifier, meaning it contains four independent op-amp circuits in a single package. It is known for its high precision, very low bias current, and low power consumption, making it ideal for a variety of high-performance applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Bias Current | 40 pA (max) at -40°C to +85°C, 80 pA (max) at -40°C to +125°C | -40°C ≤ TA ≤ +125°C |
| Offset Voltage | 1.70 mV (max) | -40°C ≤ TA ≤ +125°C |
| Offset Voltage Drift | 2 µV/°C | -40°C ≤ TA ≤ +125°C |
| Common-Mode Rejection Ratio (CMRR) | 80 dB | -1.0 V ≤ VCM ≤ +5.0 V, -40°C ≤ TA ≤ +125°C |
| Open-Loop Gain | 106 dB (min) at RL = 2 kΩ, VO = ±2.5 V | -40°C ≤ TA ≤ +125°C |
| Slew Rate | 20 V/μs | VI = 10 V, RL = 2 kΩ |
| Gain Bandwidth Product (GBP) | 5 MHz | |
| Voltage Noise Density | 16 nV/√Hz at f = 1 kHz | |
| Current Noise Density | 0.01 pA/√Hz at f = 1 kHz | |
| Supply Voltage | ±4 V to ±18 V | |
| Supply Current per Amplifier | 1.25 mA (typ), 1.65 mA (max) at -40°C ≤ TA ≤ +125°C | |
| Package | 14-Lead SOIC |
Key Features
- High slew rate of 20 V/μs and fast settling time, ensuring rapid response to input changes.
- Low offset voltage of 1.70 mV maximum and low offset voltage drift of 2 µV/°C.
- Very low input bias current of 40 pA maximum at -40°C to +85°C.
- Wide bandwidth of 5 MHz and unity gain stability.
- Low voltage noise density of 16 nV/√Hz at 1 kHz.
- Common-mode voltage includes the positive power supply, making it suitable for high-side signal conditioning.
- Low power consumption with a supply current per amplifier of 1.25 mA typical.
Applications
- Reference gain/buffers and level shift/driving circuits.
- Active filters and power line monitoring/control.
- Current/voltage sense or monitoring and data acquisition systems.
- Sample-and-hold circuits and integrators.
- Electronic instruments and automated test equipment (ATE) amplification.
- Buffering digital-to-analog converter outputs and driving analog-to-digital inputs.
- Instrumentation-quality photodiode amplification and fast settling circuits.
Q & A
- What is the input bias current of the ADA4000-4?
The input bias current is 40 pA maximum at -40°C to +85°C and 80 pA maximum at -40°C to +125°C.
- What is the slew rate of the ADA4000-4?
The slew rate is 20 V/μs.
- What is the gain bandwidth product (GBP) of the ADA4000-4?
The GBP is 5 MHz.
- What is the typical supply current per amplifier for the ADA4000-4?
The typical supply current per amplifier is 1.25 mA.
- What are the common applications of the ADA4000-4?
Common applications include reference gain/buffers, active filters, power line monitoring/control, current/voltage sense or monitoring, data acquisition, sample-and-hold circuits, and integrators).
- What is the package type of the ADA4000-4ARZ-RL?
The package type is a 14-Lead SOIC).
- What is the operating temperature range of the ADA4000-4?
The operating temperature range is -40°C to +125°C).
- What is the common-mode rejection ratio (CMRR) of the ADA4000-4?
The CMRR is 80 dB at -1.0 V ≤ VCM ≤ +5.0 V and -40°C ≤ TA ≤ +125°C).
- Is the ADA4000-4 RoHS compliant?
Yes, the ADA4000-4ARZ-RL is RoHS compliant).
- What is the voltage noise density of the ADA4000-4?
The voltage noise density is 16 nV/√Hz at 1 kHz).
