Overview
The ADA4000-4ARZ is a precision operational amplifier produced by Analog Devices Inc. It features a junction field effect transistor (JFET) input, which provides high input impedance, very low bias current, and low power consumption. This amplifier is designed to offer a wide bandwidth of 5 MHz, a fast slew rate of 20 V/μs, and fast settling time, making it ideal for various high-precision applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 0.2 | 1.70 | 3.0 | mV |
| Input Bias Current | IB | 5 | 40 | 170 (at -40°C to +85°C), 4.5 nA (at -40°C to +125°C) | pA |
| Input Offset Current | IOS | 2 | 40 | 80 (at -40°C to +85°C), 500 pA (at -40°C to +125°C) | pA |
| Input Voltage Range | IVR | -11 | +15 | V | |
| Common-Mode Rejection Ratio | CMRR | 80 | 100 | dB | |
| Slew Rate | SR | 20 | V/μs | ||
| Gain Bandwidth Product | GBP | 5 | MHz | ||
| Supply Voltage | V_S | ±4 | ±18 | V | |
| Operating Temperature Range | T_A | -40 | +125 | °C |
Key Features
- High input impedance and low input bias current (5 pA typical)
- Wide bandwidth of 5 MHz and fast slew rate of 20 V/μs
- Fast settling time and low offset voltage (1.70 mV maximum)
- Low power consumption (1.35 mA per amplifier)
- Unity gain stable and low voltage noise (16 nV/√Hz at 1 kHz)
- Input common-mode voltage includes the positive power supply, making it suitable for high-side signal conditioning
- Available in 14-lead SOIC, TSSOP, and MSOP packages
- Lead-free and RoHS compliant
Applications
- Reference gain/buffers and level shift/driving
- Active filters and power line monitoring/control
- Current/voltage sense or monitoring and data acquisition
- Sample-and-hold circuits and integrators
- Electronic instruments and automated test equipment (ATE) amplification
- Instrumentation-quality photodiode amplification and fast precision filters
- Utility functions such as reference buffering, level shifting, control input/output interface, power supply control, and monitoring functions
Q & A
- What is the ADA4000-4ARZ?
The ADA4000-4ARZ is a precision operational amplifier with JFET input, produced by Analog Devices Inc.
- What are the key features of the ADA4000-4ARZ?
Key features include high input impedance, low input bias current, wide bandwidth, fast slew rate, and low power consumption.
- What is the typical slew rate of the ADA4000-4ARZ?
The typical slew rate is 20 V/μs.
- What is the gain bandwidth product of the ADA4000-4ARZ?
The gain bandwidth product is 5 MHz.
- What are the typical applications of the ADA4000-4ARZ?
Typical applications include reference gain/buffers, active filters, power line monitoring/control, data acquisition, and instrumentation-quality photodiode amplification.
- What is the operating temperature range of the ADA4000-4ARZ?
The operating temperature range is -40°C to +125°C.
- Is the ADA4000-4ARZ RoHS compliant?
Yes, the ADA4000-4ARZ is lead-free and RoHS compliant.
- What are the available packages for the ADA4000-4ARZ?
The ADA4000-4ARZ is available in 14-lead SOIC, TSSOP, and MSOP packages.
- What is the input common-mode voltage range of the ADA4000-4ARZ?
The input common-mode voltage includes the positive power supply, making it suitable for high-side signal conditioning.
- What is the typical input bias current of the ADA4000-4ARZ?
The typical input bias current is 40 pA.
