Overview
The ADA4000-2ARZ-R7 is a dual-channel operational amplifier produced by Analog Devices Inc. It is part of the ADA4000 series, which features junction field effect transistor (JFET) input operational amplifiers known for their precision, very low bias current, and low power consumption. These amplifiers are designed to offer high input impedance, low input bias current, wide bandwidth, fast slew rate, and fast settling time, making them 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 | |
| Open-Loop Gain | AVO | 106 | 114 | dB | |
| Output Voltage High | VOH | 4.0 | 4.20 | 3.80 | V |
| Output Voltage Low | VOL | -3.45 | -3.20 | -3.00 | V |
| Short-Circuit Current | ISC | ±28 | mA | ||
| Supply Current/Amplifier | ISY | 1.25 | 1.65 | 1.80 | mA |
| 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 |
Key Features
- JFET Input: Offers high input impedance and very low input bias current.
- Low Power Consumption: Suitable for low power applications with a supply current of 1.25 mA to 1.80 mA per amplifier.
- Wide Bandwidth: Features a gain bandwidth product of 5 MHz and a slew rate of 20 V/µs.
- High Precision: Low offset voltage (0.2 mV to 3.0 mV) and low offset voltage drift (2 µV/°C).
- High Common-Mode Rejection Ratio: CMRR of 80 dB to 100 dB.
- Robust Output: Output voltage range from -3.45 V to +4.20 V with a short-circuit current of ±28 mA.
- Compact Packaging: Available in an 8-pin SOIC package.
Applications
- Reference Gain/Buffers: Ideal for precision gain and buffering applications.
- Level Shift/Driving: Suitable for level shifting and driving various loads.
- Active Filters: Used in active filter circuits due to its high bandwidth and precision.
- Power Line Monitoring/Control: Applicable in power line monitoring and control systems.
- Current/Voltage Sense or Monitoring: Used in current and voltage sensing applications.
- Data Acquisition: Suitable for data acquisition systems requiring high precision and low noise.
- Sample-and-Hold Circuits: Ideal for sample-and-hold circuits due to its fast settling time.
- Integrators: Used in integrator circuits and other analog signal processing applications.
- Electronic Instruments and Automated Test Equipment (ATE): Used in various electronic instruments and ATE amplification and buffering.
- Instrumentation-Quality Photodiode Amplification: Suitable for high-quality photodiode amplification.
Q & A
- What is the input bias current of the ADA4000-2ARZ-R7?
The input bias current is typically 40 pA, with a maximum of 170 pA over the temperature range of -40°C to +85°C.
- What is the gain bandwidth product of the ADA4000-2ARZ-R7?
The gain bandwidth product is 5 MHz.
- What is the slew rate of the ADA4000-2ARZ-R7?
The slew rate is 20 V/µs.
- What is the common-mode rejection ratio (CMRR) of the ADA4000-2ARZ-R7?
The CMRR is 80 dB to 100 dB.
- What is the output voltage range of the ADA4000-2ARZ-R7?
The output voltage range is from -3.45 V to +4.20 V with a load resistance of 2 kΩ.
- What is the supply current per amplifier for the ADA4000-2ARZ-R7?
The supply current per amplifier is typically 1.65 mA, with a maximum of 1.80 mA.
- What are the typical applications of the ADA4000-2ARZ-R7?
Typical applications include 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, and automated test equipment (ATE).
- What is the package type of the ADA4000-2ARZ-R7?
The ADA4000-2ARZ-R7 is available in an 8-pin SOIC package.
- Is the ADA4000-2ARZ-R7 RoHS compliant?
Yes, the ADA4000-2ARZ-R7 is RoHS compliant.
- What is the operating temperature range of the ADA4000-2ARZ-R7?
The operating temperature range is from -40°C to +125°C.
