Overview
The ADA4000-1ARZ is a precision operational amplifier produced by Analog Devices Inc. It features a junction field effect transistor (JFET) input, known for its high input impedance, very low bias current, and low power consumption. This amplifier is designed to offer high precision, fast slew rate, and fast settling time, making it ideal for various high-performance applications.
The ADA4000-1ARZ is particularly suited for driving analog-to-digital inputs and buffering digital-to-analog converter outputs. Its ability to include the positive power supply in the input common-mode voltage range makes it an excellent choice for high-side signal conditioning.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Channels | - | 1 | - | - |
| Slew Rate (SR) | - | 20 | - | V/μs |
| Input Offset Voltage (VOS) | 0.2 | 1.70 | 3.0 | mV |
| Input Bias Current (IB) | 5 | 40 | 170 | pA |
| Supply Voltage Range | ±4 | - | ±18 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Gain Bandwidth Product (GBP) | - | 5 | - | MHz |
| Voltage Noise Density (en) | - | 16 | - | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 80 | 100 | - | dB |
| Package Style | - | 8-lead SOIC-N | - | - |
Key Features
- High slew rate of 20 V/μs
- Fast settling time and unity gain stability
- Low offset voltage of 1.70 mV maximum
- Very low bias current of 40 pA maximum
- Wide bandwidth of 5 MHz
- Low voltage noise of 16 nV/√Hz
- Common-mode voltage includes the positive power supply (+VS)
- High input impedance and low input bias current
Applications
- Reference gain/buffers
- Level shift/driving
- Active filters
- Power line monitoring/control
- Current/voltage sense or monitoring
- Data acquisition
- Sample-and-hold circuits
- Integrators
- Electronic instruments
- Automated test equipment (ATE) amplification
- Instrumentation-quality photodiode amplification
- Fast precision filters, including phase-locked loop filters
Q & A
- What is the slew rate of the ADA4000-1ARZ?
The slew rate of the ADA4000-1ARZ is 20 V/μs.
- What is the input offset voltage of the ADA4000-1ARZ?
The input offset voltage of the ADA4000-1ARZ is 1.70 mV maximum.
- What is the operating temperature range of the ADA4000-1ARZ?
The operating temperature range of the ADA4000-1ARZ is -40°C to +125°C.
- What is the gain bandwidth product (GBP) of the ADA4000-1ARZ?
The gain bandwidth product (GBP) of the ADA4000-1ARZ is 5 MHz.
- What is the common-mode rejection ratio (CMRR) of the ADA4000-1ARZ?
The common-mode rejection ratio (CMRR) of the ADA4000-1ARZ is 80 dB to 100 dB.
- What is the package style of the ADA4000-1ARZ?
The package style of the ADA4000-1ARZ is 8-lead SOIC-N.
- What are some common applications of the ADA4000-1ARZ?
The ADA4000-1ARZ is commonly used in reference gain/buffers, level shift/driving, active filters, power line monitoring/control, and data acquisition among other applications.
- What is the input bias current of the ADA4000-1ARZ?
The input bias current of the ADA4000-1ARZ is 40 pA maximum.
- Does the ADA4000-1ARZ include the positive power supply in its input common-mode voltage range?
Yes, the ADA4000-1ARZ includes the positive power supply in its input common-mode voltage range.
- What is the voltage noise density of the ADA4000-1ARZ?
The voltage noise density of the ADA4000-1ARZ is 16 nV/√Hz.
