Overview
The ADA4000-2ARMZ-RL from Analog Devices Inc. is a precision operational amplifier featuring junction field effect transistor (JFET) inputs. This dual-channel op-amp is known for its high 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.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage | ±4 V to ±18 V | |
| Offset Voltage | 1.70 mV maximum | |
| Bias Current | 40 pA maximum (-40°C ≤ TA ≤ +85°C) | |
| Slew Rate | 20 V/μs | VI = 10 V, RL = 2 kΩ |
| Gain Bandwidth Product | 5 MHz | |
| Phase Margin | 55 Degrees | |
| Voltage Noise Density | 16 nV/√Hz at f = 1 kHz | |
| Current Noise Density | 0.01 pA/√Hz at f = 1 kHz | |
| Input Impedance (Differential Mode) | 10 GΩ || 4 pF | |
| Input Impedance (Common Mode) | 10^3 GΩ || 5.5 pF | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | 8-MSOP |
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 at f = 1 kHz
- Unity gain stable
- Common-mode voltage includes the positive power supply
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 typical supply voltage range for the ADA4000-2ARMZ-RL?
The typical supply voltage range is ±4 V to ±18 V.
- What is the maximum offset voltage of the ADA4000-2ARMZ-RL?
The maximum offset voltage is 1.70 mV.
- What is the bias current of the ADA4000-2ARMZ-RL?
The bias current is 40 pA maximum at temperatures between -40°C and +85°C.
- What is the slew rate of the ADA4000-2ARMZ-RL?
The slew rate is 20 V/μs.
- What is the gain bandwidth product of the ADA4000-2ARMZ-RL?
The gain bandwidth product is 5 MHz.
- What is the operating temperature range of the ADA4000-2ARMZ-RL?
The operating temperature range is -40°C to +125°C.
- What package type is the ADA4000-2ARMZ-RL available in?
The ADA4000-2ARMZ-RL is available in an 8-MSOP package.
- What are some common applications of the ADA4000-2ARMZ-RL?
Common applications include reference gain/buffers, level shift/driving, active filters, power line monitoring/control, and data acquisition.
- Is the ADA4000-2ARMZ-RL suitable for high-side signal conditioning?
Yes, the ADA4000-2ARMZ-RL is suitable for high-side signal conditioning because its input common-mode voltage includes the positive power supply.
- What is the typical noise performance of the ADA4000-2ARMZ-RL?
The typical voltage noise density is 16 nV/√Hz at f = 1 kHz.
