Overview
The ADA4000-2ARZ is a precision junction field effect transistor (JFET) input operational amplifier produced by Analog Devices Inc. This device is known for its high input impedance, very low input bias current, and low power consumption. It features 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. The ADA4000-2ARZ is particularly suited for driving analog-to-digital inputs and buffering digital-to-analog converter outputs, and its input common-mode voltage range includes the positive power supply, making it excellent for high-side signal conditioning.
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 | ||
| Operating Temperature | -40 | +125 | °C | ||
| Supply Voltage | ±18 | V | |||
| Output Current per Channel | 28 | mA | |||
| Supply Current per Channel | 1.35 | mA |
Key Features
- High input impedance and very 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 (maximum 1.70 mV).
- Low power consumption with a supply current of 1.35 mA per channel.
- Operates over a wide supply voltage range of ±4 V to ±18 V.
- High common-mode rejection ratio (CMRR) of 100 dB.
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.
Q & A
- What is the ADA4000-2ARZ? The ADA4000-2ARZ is a precision JFET input operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4000-2ARZ? It features high input impedance, very low input bias current, wide bandwidth, fast slew rate, and low power consumption.
- What is the operating temperature range of the ADA4000-2ARZ? The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the ADA4000-2ARZ? The supply voltage range is ±4 V to ±18 V.
- What are some common applications of the ADA4000-2ARZ? Common applications include reference gain/buffers, level shift/driving, active filters, power line monitoring/control, and data acquisition.
- What is the slew rate of the ADA4000-2ARZ? The slew rate is 20 V/μs.
- What is the gain bandwidth product of the ADA4000-2ARZ? The gain bandwidth product is 5 MHz.
- What is the typical input bias current of the ADA4000-2ARZ? The typical input bias current is 5 pA.
- What is the maximum offset voltage of the ADA4000-2ARZ? The maximum offset voltage is 1.70 mV.
- What type of package does the ADA4000-2ARZ come in? The ADA4000-2ARZ comes in an 8-SOIC package.
