Overview
The ADA4000-1ARZ-R7, produced by Analog Devices Inc., is a precision junction field effect transistor (JFET) input operational amplifier. This device is part of the ADA4000 series, which includes the ADA4000-1, ADA4000-2, and ADA4000-4. It is known for its high precision, very low bias current, and low power consumption. The ADA4000-1ARZ-R7 is designed to offer high input impedance, low input bias current, wide bandwidth, fast slew rate, and fast settling time, making it ideal for various high-performance 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 | pA |
| Input Offset Current | IOS | 2 | 40 | 80 | 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 | ||
| Phase Margin | ΦM | 55 | Degrees | ||
| Voltage Noise Density | en | 16 | nV/√Hz | ||
| Current Noise Density | in | 0.01 | pA/√Hz | ||
| Differential Input Impedance | (R||C)IN-DIFF | 10||4 | GΩ||pF | ||
| Common Mode Input Impedance | (R||C)INCM | 103||5.5 | GΩ||pF |
Key Features
- High slew rate: 20 V/μs
- Fast settling time
- Low offset voltage: 1.70 mV maximum
- Very low bias current: 40 pA maximum
- Wide bandwidth: 5 MHz
- Low voltage noise: 16 nV/√Hz
- Unity gain stable
- Common-mode voltage includes the positive power supply
- Low power consumption
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
Q & A
- What is the ADA4000-1ARZ-R7? The ADA4000-1ARZ-R7 is a precision JFET input operational amplifier produced by Analog Devices Inc.
- What are the key features of the ADA4000-1ARZ-R7? It features high slew rate, fast settling time, low offset voltage, very low bias current, wide bandwidth, and low voltage noise.
- What is the typical slew rate of the ADA4000-1ARZ-R7? The typical slew rate is 20 V/μs.
- What is the maximum offset voltage of the ADA4000-1ARZ-R7? The maximum offset voltage is 1.70 mV.
- What is the input bias current of the ADA4000-1ARZ-R7? The maximum input bias current is 40 pA.
- What is the gain bandwidth product of the ADA4000-1ARZ-R7? The gain bandwidth product is 5 MHz.
- What are some common applications of the ADA4000-1ARZ-R7? Common applications include reference gain/buffers, level shift/driving, active filters, power line monitoring/control, and data acquisition.
- Is the ADA4000-1ARZ-R7 suitable for high-side signal conditioning? Yes, it is suitable due to its ability to include the positive power supply in the common-mode voltage range.
- What is the typical voltage noise density of the ADA4000-1ARZ-R7? The typical voltage noise density is 16 nV/√Hz.
- What is the operating temperature range of the ADA4000-1ARZ-R7? The operating temperature range is -40°C to +125°C.
