Overview
The ADA4000-4ARUZ from Analog Devices Inc. is a quad junction field effect transistor (JFET) input operational amplifier. This device is renowned for its precision, very low bias current, and low power consumption. It combines high input impedance, low input bias current, wide bandwidth, fast slew rate, and fast settling time, making it ideal for various high-performance applications.
The ADA4000-4ARUZ operates over a wide voltage range of ±4V to ±18V and is unity gain stable. Its input common-mode voltage includes the positive power supply, which is particularly useful for high-side signal conditioning. The device is available in a 14-lead TSSOP package and operates over a temperature range of -40°C to 125°C.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 0.2 | 1.70 | 3.0 | mV |
| Input Bias Current | IB | - | 40 | 170 (at -40°C to +85°C), 4.5 nA (at -40°C to +125°C) | pA |
| Input Offset Current | IOS | - | 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 | - | - | 20 | V/μs | |
| Gain Bandwidth Product | - | - | 5 | MHz | |
| Voltage Noise Density | - | 16 | - | nV/√Hz | |
| Current Noise Density | - | 0.01 | - | pA/√Hz | |
| Operating Temperature Range | - | -40 to 125 | - | °C |
Key Features
- High slew rate: 20 V/μs typical
- Fast settling time
- Low offset voltage: 1.7 mV maximum
- Low input bias current: 40 pA maximum
- Wide bandwidth: 5 MHz gain bandwidth product
- Low voltage noise: 16 nV/√Hz typical
- Low current noise: 0.01 pA/√Hz typical
- Unity gain stable
- Input common-mode voltage includes the positive power supply
- Operating voltage range: ±4V to ±18V
- 14-lead TSSOP package
- Operating temperature range: -40°C to 125°C
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 and buffering
- Instrumentation-quality photodiode amplification
Q & A
- What is the typical slew rate of the ADA4000-4ARUZ?
The typical slew rate is 20 V/μs.
- What is the maximum input bias current of the ADA4000-4ARUZ?
The maximum input bias current is 40 pA.
- What is the gain bandwidth product of the ADA4000-4ARUZ?
The gain bandwidth product is 5 MHz.
- What is the operating voltage range of the ADA4000-4ARUZ?
The operating voltage range is ±4V to ±18V.
- What is the typical voltage noise density of the ADA4000-4ARUZ?
The typical voltage noise density is 16 nV/√Hz.
- What is the typical current noise density of the ADA4000-4ARUZ?
The typical current noise density is 0.01 pA/√Hz.
- What is the maximum offset voltage of the ADA4000-4ARUZ?
The maximum offset voltage is 1.7 mV.
- What is the common-mode rejection ratio (CMRR) of the ADA4000-4ARUZ?
The CMRR is typically 100 dB.
- In what package is the ADA4000-4ARUZ available?
The ADA4000-4ARUZ is available in a 14-lead TSSOP package.
- What is the operating temperature range of the ADA4000-4ARUZ?
The operating temperature range is -40°C to 125°C.
